87239-81-4
Cefpodoxime Proxetil
CAS: 87239-81-4
Molecular Formula: C21H27N5O9S2
87239-81-4 - Names and Identifiers
87239-81-4 - Physico-chemical Properties
| Molecular Formula | C21H27N5O9S2 |
| Molar Mass | 557.6 |
| Density | 1.58±0.1 g/cm3(Predicted) |
| Melting Point | 111-113°C |
| Solubility | Soluble in DMSO |
| Appearance | neat |
| Color | White to Pale Yellow |
| pKa | 8.13±0.60(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
| Sensitive | Light Sensitive |
| Refractive Index | 1.67 |
| Physical and Chemical Properties | White to taupe white powder, odorless or slightly odorous, bitter in taste. Very soluble in methanol or acetonitrile, soluble in ethanol, slightly soluble in ether, very slightly soluble in water. Acute toxicity LD50 male and female mice, male and female rats (mg/kg):>10000,>10000,>2000,>2000 subcutaneous injection; 3502,2535,>4000,>4000 intraperitoneal injection;>8000,>8000,>4000,>4000 oral. |
| Use | Antibiotics |
87239-81-4 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R42/43 - May cause sensitization by inhalation and skin contact. |
| Safety Description | S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 3 |
| RTECS | XI0367370 |
| HS Code | 30042000 |
| Toxicity | LD50 in male, female mice, male, female rats (mg/kg): >10000, >10000, >2000, >2000 s.c., 3502, 2535, >4000, >4000 i.p.; >8000, >8000, >4000, >4000 orally (Nakao, 1988) |
87239-81-4 - Standard
Authoritative Data Verified Data
(6R,7R)-3-methoxymethyl-7-[2-(2-amino-4-thiazolyl)-2-[(Z)]-Methoxyimino] acetamido]-8-oxo-5-thia-1-azabicyclo [4.2.0] oct-2-ene-2-carboxylic acid-(brother 5)-1-(isopropoxyformyloxy) ethyl ester. Containing no less than 69.0% cefpodoxime (C15H17N5O6S2), calculated as anhydrous.
Last Update：2024-01-02 23:10:35
87239-81-4 - Trait
Authoritative Data Verified Data
This product is white to light yellow powder; Odorless or micro-special odor this product is very soluble in acetonitrile or methanol, soluble in anhydrous ethanol, almost insoluble in water.
specific rotation
take this product, precision weighing, add acetonitrile to dissolve and quantitative dilution to make about 5mg per lml of solution, according to the law (General 0621), the specific rotation should be 18.3 ° to 31.4 °.
Last Update：2022-01-01 11:40:42
87239-81-4 - Differential diagnosis
Authoritative Data Verified Data
- in the chromatogram recorded under the content determination item, the retention time of the two main peaks of the test solution should be consistent with the retention time of the two main peaks of the control solution.
- The infrared absorption spectrum of this product should be consistent with that of the control (Spectrum set 1124).
Last Update：2022-01-01 11:40:43
87239-81-4 - Exam
Authoritative Data Verified Data
Related substances
The test was performed by high performance liquid chromatography (General 0512).
chromatographic conditions and system suitability test
with eighteen alkyl silane bonded silica gel as filler (4.6mm X 150mm,5um or performance equivalent column), water-methanol-formic acid (600:400:1) as mobile phase A, water-methanol-formic acid (50:950:1) was used as mobile Phase B, and linear gradient elution was carried out according to the following table. The detection wavelength was 254mn, and the flow rate was 0.6ml per minute. Add an appropriate amount of cefpodoxime proxetil reference substance (about 50mg equivalent to cefpodoxime oxime) into a 50ml measuring flask, and add an appropriate amount of diluted solvent [Water-acetonitrile-acetic acid (99:99:2 )] to dissolve, after irradiating with ultraviolet lamp for 12 hours, add 3ml of 30% hydrogen peroxide solution, place it for 60 minutes, dilute it to the scale with the above dilution solvent, shake it well, use it as the applicable solution for the system, and inject 2ou1 into the liquid chromatograph, the chromatogram was recorded, cefpodoxime proxetil isomer A, impurity C, impurity D-I, cefpodoxime proxetil isomer B and impurity D-II were peaked in sequence, and the retention time of cefpodoxime proxetil isomer B peak was about 68 minutes. The resolution between cefpodoxime proxetil isomer peak A and peak B should be greater than 4.0, cefpodoxime proxetil isomer peak A and impurity peak C, impurity D-I and cefpodoxime proxetil isomer peak B, the resolution between cefpodoxime proxetil isomer B peak and impurity D-II peak should meet the requirements.
assay
take an appropriate amount of this product, precision weighing, and add the above dilution solvent to dissolve and dilute to make about 1 of cefpodoxime per 1 ml. 0 mg solution, as a test solution; An appropriate amount was taken in a precise amount, and quantitatively diluted with the above dilution solvent to make about cefpodoxime in 1 ml. Olmg solution, as a control solution. 20 u1 of the test solution and the control solution were respectively injected into the liquid chromatograph, and the chromatograms were recorded. If there are impurity peaks in the chromatogram of the test solution, the peak area of cefpodoxime (impurity A) shall not be greater than 0.5 times (0.5%) of the total area of the two main peaks of the control solution, the Peak area of impurity B- I shall not be greater than the sum of the two main peak areas of the control solution (1.0%), and the sum of the peak areas of impurity C and impurity B- II shall not be greater than the sum of the two main peak areas of the control solution (2.0% ), the sum of the peak areas of impurity D-I and impurity D-II shall not be greater than the sum of the two main peak areas of the control solution (1.0%), the sum of the peak areas of impurity F-I and impurity F-II shall not be greater than 0.2 times (0.2%) of the sum of the two main peak areas of the control solution, the Peak area of impurity G shall not be greater than 0.2 times (0.2%) of the sum of the two main peak areas of the control solution, and the sum of the peak areas of impurity H-I and impurity H-II shall not be greater than the sum of the two main peak areas of the control solution (1.0%), other single impurity peak area shall not be greater than 0.1 times (0.1%) of the sum of the two main peak areas of the control solution, and the sum of each impurity peak area shall not be greater than 4 times (4.0%) of the sum of the two main peak areas of the control solution. Test Solution chromatogram is less than the control solution of the two main Peak area of 0.05 times the peak ignore not Based on.
isomer
In the chromatogram of the test solution recorded under the content determination item, the ratio of the peak area of cefpodoxime proxetil isomer B to the peak area sum of cefpodoxime proxetil isomers A, B should be 0.50 to 0.60.
residual solvent
methanol, acetone, isopropanol, acetonitrile, dichloromethane, butanone, ethyl acetate, Tetrahydrofuran, carbon tetrachloride, cyclohexane, benzene, 1, 2-dichloroethane, isopropyl acetate, dioxane, methyl isobutyl ketone, pyridine, toluene and butyl acetate were determined according to the residual solvent determination method (General 0861).
chromatographic conditions and system suitability test
A capillary column with 6% cyanopropylphenyl-94% dimethylpolysiloxane as the stationary liquid (or similar polarity) is used as the column, and the starting temperature is 40°C, and the retention time is 22 minutes, then the temperature is increased to 100°C at a rate of 120°C per minute for 10 minutes. The temperature of the injection port is 200°C, the temperature of the detector is 250°C, and the equilibrium temperature of the headspace bottle is 70°C, the equilibration time was 30 minutes. The system applicable solution is sampled by Headspace injection, and the peaks are generated in the order of n-propanol (internal standard), butanone and ethyl acetate, and the separation degree between peaks shall meet the requirements.
preparation of internal standard solution
an appropriate amount of N-propanol was taken and diluted with dimethyl sulfoxide to prepare a solution containing about 200ug per 1ml as an internal standard solution. Preparation of applicable solution of the system appropriate amount of methyl ethyl ketone and ethyl acetate were taken and diluted quantitatively with internal standard solution to make a solution containing about 1 mg of butyl charge and ethyl acetate in each lml, and then 1ml was taken for precise measurement and placed in a top-empty bottle, sealed as a solution for system suitability.
preparation of test solution
take about 0.2g of this product, weigh it accurately, place it in the top empty bottle, add 1 ml of internal standard solution to dissolve it, seal it, and use it as the test solution.
preparation of reference solution
a control solution was prepared according to the specific test object determined by the test. The appropriate amount of each solvent is accurately weighed and diluted quantitatively with the internal standard solution to prepare the solution of the specified concentration as the mixed reference solution, the concentration of each solvent in the mixed reference solution was 600ug of methanol, lmg of acetone, lmg of isopropanol, 82ug of acetonitrile, 120ug of dichloromethane, 1 mg of butanone, 1 mg of ethyl acetate, 150ug of tetrahydrofuran, carbon tetrachloride lug, cyclohexane 760ug, benzene 1ug, 1, 2-dichloroethane 1ug, isopropyl acetate lmg, dioxane 76ug, methyl isobutyl ketone lmg, pyridine 40ug, toluene 178ug, butyl acetate lmg. 1ml of the mixed reference solution was accurately measured, placed in a top empty bottle, sealed, and used as a reference solution.
assay
first take the methane gas headspace injection, record the retention time of methane as the dead time (to) of the chromatographic system, then take the sample solution headspace injection, record the chromatogram, if there are chromatographic peaks in the chromatogram of the test solution, calculate the relative adjusted retention time (RART) of the retention time (tR) of each chromatographic peak relative to the retention time (tR) of n-propanol according to the following formula: compare the obtained RART value with the RART value in the following table to determine the type of residual solvent in the test sample; Prepare the corresponding reference solution, take the headspace injection of the reference solution, record the chromatogram, according to the internal standard method to calculate the peak area ratio, the residual amount of methyl isobutyl ketone shall not exceed 0.5%, methanol, acetone, isopropanol, acetonitrile, dichloromethane, butyl, ethyl acetate, Tetrahydrofuran, carbon tetrachloride, cyclohexane, benzene, residues of 1-2 dichloroethane, isopropyl acetate, dioxane, pyridine, toluene and butyl acetate shall comply with the regulations.
N,N-dimethylformamide and dimethylphenidate
take about 0.2g of this product, put it in a 10ml measuring flask, add methanol to dissolve and dilute to the scale, shake well, as a test solution; Take N, N-dimethylformamide and dimethyl sulfoxide, A solution containing 17.6ug of N, N-dimethylformamide and 100ug of dimethyl sulfoxide respectively per 1 ml was prepared by quantitative dilution with methanol as a reference solution. According to the determination method of residual solvent (General Principle 0861 third method), the capillary column with 5% phenyl-95% dimethyl polysiloxane (or similar polarity) as the stationary liquid is used as the column, the starting temperature is 70°C, and the maintenance time is 12 minutes, then the temperature is raised to 120°C at a rate of 50°C per minute for 10 minutes; The temperature of the injection port is 200°C, the temperature of the detector is 250°C, and the reference solution is directly injected according to N ,N-dimethylformamide, dimethyl sulfoxide peaks in sequence, the separation between the two peaks should meet the requirements.
precision
The Test Solution and the reference solution are injected separately, the chromatogram is recorded, and the residual amounts of N,N-dimethylformamide and dimethyl sulfoxide are calculated by the peak area according to the external standard method.
moisture
take this product, according to the moisture determination method (General 0832 first method 1), the water content shall not exceed 3.0%.
ignition residue
take l.Og of this product and check it according to law (General rule 0841). The residue left shall not exceed 0.2%.
Heavy metals
The residue left under the item of taking the ignition residue shall not contain more than 20 parts per million of heavy metal when examined by law (General rule 0821, Law II).
Last Update：2022-01-01 11:40:44
87239-81-4 - Content determination
Authoritative Data Verified Data
measured by high performance liquid chromatography (General 0512).
chromatographic conditions and system suitability test
silica gel bonded with eighteen alkyl silane was used as a filler; Water-methanol (55:45) was used as a mobile phase; The detection wavelength was 240nm; And the column temperature was 40°C. An appropriate amount of cefpodoxime proxetil reference substance was taken, dissolved with an appropriate amount of methanol, and then diluted with mobile phase to make A solution containing about 1 mg of cefpodoxime oxime per 1 ml. 20ul was injected into the liquid chromatograph, and the chromatogram was recorded, the order of B peaks, the separation degree between cefpodoxime proxetil isomers A, B peaks should be greater than 4.0; Cefpodoxime proxetil isomers A peak and adjacent impurity peaks, the resolution between cefpodoxime proxetil isomer B peak and adjacent impurity peaks shall meet the requirements.
assay
take this product, precision weighing, add an appropriate amount of methanol to dissolve, and then quantitatively dilute with mobile phase to prepare a solution containing about 0.3mg of cefpodoxime per 1 ml as a test solution, the chromatogram was recorded by injection of 20u1 into a human Liquid Chromatograph. An appropriate amount of cefpodoxime proxetil was also taken for determination by the same method. The content of C15H17N506S2 in the test article was calculated according to the peak area of cefpodoxime axetil isomers A, B and external standard method.
Last Update：2022-01-01 11:40:45
87239-81-4 - Category
Authoritative Data Verified Data
B-lactam antibiotics, cephalosporins.
Last Update：2022-01-01 11:40:45
87239-81-4 - Storage
Authoritative Data Verified Data
sealed and stored in a cool and dry place.
Last Update：2022-01-01 11:40:45
87239-81-4 - Cefpodoxime proxetil for suspension
Authoritative Data Verified Data
This product contains cefpodoxime proxetil by cefpodoxime oxime (C15H17N506S2) should be the label amount of 90.0% ~ 110.0%.
trait
This product is granular powder or powder.
identification
In the chromatogram recorded under the content determination item, the retention time of the two main peaks of the test solution should be consistent with the retention time of the two main peaks of the control solution.
examination
- acidity take this product, add water to make a suspension containing about 1 ml of cefpodoxime lOmg, and determine it according to law (General rule 0631). The pH value should be 4.0~6.0.
- appropriate amount of fine powder (about equivalent to cefpodoxime lOOmg) under the difference of loading amount of related substances, put it in a 100ml measuring flask, and add Diluted solvent [Water-acetonitrile-acetic acid (99:99:2 ) ] cefpodoxime proxetil was dissolved and diluted to the scale, shaken, filtered, and the filtrate was taken as a test solution, and measured according to the method of cefpodoxime proxetil. If there are impurity peaks in the chromatogram of the test solution, impurities between the two main peaks (impurity C + impurity B- II and impurity D-I) the sum of the peak areas shall not be greater than 4 times (4.0%) of the sum of the two main peak areas of the control solution, and the sum of the impurity peak areas shall not be greater than 10 times (10.0) of the sum of the two main peak areas of the control solution.
- the moisture content of this product shall not exceed 0832 as determined by the method for determination of moisture (General rule 1.5%, first method 1).
- dissolution of this product, according to the dissolution and release determination method (General 0931 second method), with glycine-sodium gasification-hydrochloric acid solution (pH 3.0)[Take 42.6g of glycine and 14.2g of sodium chloride, put it in a ml measuring flask, add of water to dissolve, slowly add of hydrochloric acid, let it cool, dilute it to the scale with water, shake well, and use it as C preparation solution. Take 50ml of the stock solution, add water to 3.0 ML (if necessary, adjust the pH value to 0.1 ± with 10mol/L sodium hydroxide solution)] as the dissolution medium, the rotation speed is 75 rpm, and operate according to law. After 45 minutes, take the appropriate amount of the solution, filter, take the appropriate amount of the filtrate, and dilute it quantitatively with the dissolution medium to prepare a solution containing about llug of cefpodoxime per 1 ml, according to UV-Vis spectrophotometry (General rule 0401), the absorbance was measured at the wavelength of 259nm, A solution containing about 11ug of cefpodoxime per 1 ml was prepared by adding an appropriate amount of methanol to dissolve and quantitatively diluting with a dissolution medium, and was determined by the same method. The dissolution of each bag was calculated. The limit is 70% of the labeled amount and shall be in accordance with the provisions.
- other than sedimentation volume ratio (single dose package), should comply with the relevant provisions under the item of oral suspension (General Principle 0123).
Content determination
take an appropriate amount of content (about 30mg equivalent to cefpodoxime) under the difference of loading amount, put it in a 100ml measuring flask, add an appropriate amount of fermentation broth to dissolve, and dilute it to the mark with mobile phase, shake well, filter, take the filtrate, as a test solution, according to the method under the item of cefpodoxime proxetil, that is obtained.
category
Same as cefpodoxime proxetil.
specification
50mg (based on C15HI7N506S2)
storage
sealed, stored in a cool and dry place.
Last Update：2022-01-01 11:40:46
87239-81-4 - Cefpodoxime Proxetil Tablets
Authoritative Data Verified Data
This product contains cefpodoxime proxetil by cefpodoxime oxime (C15HI7N506S2) should be the label amount of 90.0% ~ 110.0%.
trait
This product is a film-coated tablet, white to yellowish after removing the coating.
identification
- in the chromatogram recorded under the content determination item, the retention time of the two main peaks of the test solution should be consistent with the retention time of the two main peaks of the control solution.
- take an appropriate amount of fine powder of this product, add acetonitrile to dissolve and dilute to make a solution containing about 15ug of cefpodoxime per lml, filter, and take the filtrate, as determined by UV-Vis spectrophotometry (General rule 0401), there is a maximum absorption at a wavelength of Nm.
examination
- for related substances, take an appropriate amount of fine powder (about equivalent to cefpodoxime lOOmg) under the content determination item, put it in a 100ml measuring flask, and add Diluted solvent [Water-acetonitrile-acetic acid (99:99:2)] cefpodoxime proxetil was dissolved and diluted to the scale, shaken, filtered, and the filtrate was taken as a test solution, and measured according to the method of cefpodoxime proxetil. If there are impurity peaks in the chromatogram of the test solution, impurities between the two main peaks (impurity C + impurity B- II and impurity D-I) the sum of the peak areas shall not be greater than 4 times (4.0%) of the sum of the two main peak areas of the control solution, and the sum of the impurity peak areas shall not be greater than 10 times (10.0%) of the sum of the two main peak areas of the control solution.
- the moisture content shall not exceed 0832 as determined by the method for determination of moisture content (General rule 5.0%, first method 1).
- dissolution of this product, according to the dissolution and release determination method (General 0931 second method), with glycine-sodium chloride-hydrochloric acid solution (pH 3.0)[Take 42.6g of glycine and 14.2g of sodium chloride into a ml measuring flask, add ml of water to dissolve, slowly add ml of human hydrochloric acid, let it cool, dilute to the scale with water, shake well, and use as a stock solution. Take 50ml of the stock solution, add water to 3.0±0.1 mL (if necessary, adjust the pH value to with 10mol /L sodium hydroxide solution)] as the dissolution medium, the rotation speed is 75 revolutions per minute, and operate according to law. After 30 minutes, take the appropriate amount of solution, filter, take the appropriate amount of filtrate, dilute quantitatively with dissolution medium to prepare a solution containing about 11ug of cefpodoxime per lml, according to UV-Vis spectrophotometry (General rule 0401), the absorbance was measured at the wavelength of 259nm, A solution containing about 11ug of cefpodoxime per 1 ml was prepared by adding an appropriate amount of methanol to dissolve and quantitatively diluting with a dissolution medium, and was determined by the same method. The dissolution amount of each tablet was calculated. The limit is 70% of the labeled amount and shall be in accordance with the provisions.
- others shall be in accordance with the relevant provisions under the item of tablets (General rule 0101).
Content determination
Take 10 tablets of this product, precise weighing, fine grinding, precise weighing to take an appropriate amount of fine powder (about equivalent to cefpodoxime 30mg), put it in a 100ml measuring flask, add an appropriate amount of methanol to dissolve, then dilute to scale with mobile phase, shake, filter, take the filtrate, as a test solution, according to the method under the item of cefpodoxime proxetil, obtained.
category
Same as cefpodoxime proxetil.
specification
Based on C15HI7N506S2 (l)50mg (2)100Mg
storage
sealed and stored in a cool and dry place.
Last Update：2022-01-01 11:40:47
87239-81-4 - Cefpodoxime proxetil capsules
Authoritative Data Verified Data
This product contains cefpodoxime proxetil by cefpodoxime oxime (C15H17N5O6S2) should be the label amount of 90.0% to 110.0%.
trait
This product is a capsule, the content of white to yellowish powder or granules.
identification
- in the chromatogram recorded under the content determination item, the retention time of the two main peaks of the test solution should be consistent with the retention time of the two main peaks of the control solution.
- take an appropriate amount of the contents of this product, add acetonitrile to dissolve and dilute to prepare a solution containing about 1 ml of cefpodoxime, filter, and take the filtrate, there is an absorption maximum at a wavelength of 0401 mn as determined by UV-Vis spectrophotometry (general).
examination
- appropriate amount of content under the item of difference in loading amount of related substances (about equivalent to cefpodoxime lOOmg), put it in lOOml measuring flask, add Diluted solvent [Water-acetonitrile acetic acid (99:99:2)] cefpodoxime proxetil was dissolved and diluted to the scale, shaken, filtered, and the filtrate was taken as a test solution, and measured according to the method of cefpodoxime proxetil. If there are impurity peaks in the chromatogram of the test solution, impurities between the two main peaks (impurity C + impurity B- II and impurity D-I) the sum of the peak areas shall not be greater than 4 times (4.0%) of the sum of the two main peak areas of the control solution, and the sum of the impurity peak areas shall not be greater than 10 times (10.0%) of the sum of the two main peak areas of the control solution.
- moisture the contents of this product shall not contain more than 0832 of moisture as determined by the method for moisture determination (General rule 7.0%, first method 1).
- dissolution of this product, according to the dissolution and release determination method (General 0931 second method), with glycine-sodium chloride hydrochloric acid solution (pH 3.0) [Take 42.6g of glycine and 14.2g of sodium chloride, put it in a ml measuring flask, add ml of water to dissolve, slowly add ml of hydrochloric acid, let it cool, dilute to the scale with water, shake well, and use as a stock solution. Take 50ml of the stock solution, add water to 3.0 ML (if necessary, adjust the pH value to 0.1 ± with 10mol/L sodium hydroxide solution)] as the dissolution medium, the rotation speed is 75 rpm, and operate according to law. After 45 minutes, take the appropriate amount of solution, filter, take the appropriate amount of filtrate, dilute quantitatively with dissolution medium to prepare a solution containing about 11ug of cefpodoxime per lml, according to UV-Vis spectrophotometry (General rule 0401), the absorbance was measured at the wavelength of 259nm, A solution containing about llug of cefpodoxime per 1 ml was prepared by adding an appropriate amount of methanol to dissolve and quantitatively diluting with a dissolution medium, and was determined by the same method. The amount of dissolution of each pellet was calculated. The limit is 70% of the labeled amount and shall be in accordance with the provisions.
- others should comply with the relevant provisions under the capsule (General 0103).
Content determination
appropriate amount of content (about equivalent to 30mg of cefpodoxime) under the difference of loading amount shall be accurately weighed and placed in a 100ml measuring flask, and methanol shall be added for dissolution, then dilute to scale with mobile phase, shake, filter, take the filtrate, as a test solution, according to the method under the item of cefpodoxime proxetil, obtained.
category
Same as cefpodoxime proxetil.
specification
Based on C15H17N506S2 (l)50mg (2)100Mg
storage
sealed and stored in a cool and dry place.
Last Update：2022-01-01 11:40:49
Supplier List
Product Name: Cefpodoxime Proxetil Request for quotation
CAS: 87239-81-4
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
CAS: 87239-81-4
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
Spot supply
Product Name: Cefpodoxime Proxetil Visit Supplier Webpage Request for quotationCAS: 87239-81-4
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
Product Name: Cefpodoxime Proxetil Request for quotation
CAS: 87239-81-4
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
CAS: 87239-81-4
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
Spot supply
Product Name: Cefpodoxime Proxetil Visit Supplier Webpage Request for quotationCAS: 87239-81-4
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
View History