Name | Atenolol |
Synonyms | Atenolo Atenolol (+-)-Atenolol 2-[4-(2-hydroxy-3-isopropylaminopropoxy)phenyl]acetamide (+-)-4-(2-Hydroxy-3-isopropylaminopropoxy)phenylacetamide ()-2-[4-[2-hydroxy-3-(isopropylamino)propoxy]phenyl]acetamide (±)-2-[4-[2-hydroxy-3-(isopropylamino)propoxy]phenyl]acetamide (1)-2-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)acetamide 2-(4-{[(2S)-2-hydroxy-3-(propan-2-ylamino)propyl]oxy}phenyl)acetamide Benzeneacetamide, 4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-, (+-)- (2S)-3-[4-(2-amino-2-oxoethyl)phenoxy]-2-hydroxy-N-(1-methylethyl)propan-1-aminium (2R)-3-[4-(2-amino-2-oxoethyl)phenoxy]-2-hydroxy-N-(1-methylethyl)propan-1-aminium |
CAS | 29122-68-7 60966-51-0 |
EINECS | 262-544-7 |
InChI | InChI=1/C14H22N2O3/c1-10(2)16-8-12(17)9-19-13-5-3-11(4-6-13)7-14(15)18/h3-6,10,12,16-17H,7-9H2,1-2H3,(H2,15,18)/p+1/t12-/m0/s1 |
Molecular Formula | C14H22N2O3 |
Molar Mass | 266.33608 |
Boling Point | 508°C at 760 mmHg |
Flash Point | 261.1°C |
Vapor Presure | 3.82E-11mmHg at 25°C |
Physical and Chemical Properties | White crystalline powder. Slightly odorous, slightly soluble in water, chloroform, soluble in ethanol, almost insoluble in ether. Melting point 150-152 °c. Selective beta-blockers, without myocardial inhibitory effect. |
Use | For the treatment of hypertension, angina and arrhythmia, glaucoma intraocular pressure control. |
Raw Materials | 4'-Hydroxyacetophenone |
This product is 4-[3-(2-hydroxy-3-isopropylamino) propoxy] phenylacetamide. The content of C14H22N203 shall be between 98.0% and 102.0% based on the dry product.
The melting point of this product (General 0612) is 151~155°C.
take 50mg of this product, add 10ml of water and 5ml of dilute hydrochloric acid to dissolve, and the solution should be clear.
take about 10mg of this product, put it in a 100ml measuring flask, add an appropriate amount of mobile phase, ultrasonic to dissolve and dilute to the scale, shake well, as a test solution; Take 1ml for precision measurement, set in a 100ml measuring flask, dilute to the scale with the mobile phase, and shake to serve as a control solution. According to the chromatographic conditions under the content determination item, 20 u1 of each of the test solution and the control solution are accurately measured and injected into the human liquid chromatograph respectively, and the chromatogram is recorded to 3 times of the retention time of the main component peak. If there are impurity peaks in the chromatogram of the test solution, the sum of each impurity peak area shall not be greater than the main peak area of the control solution (1.0%).
take this product, dry to constant weight at 105°C, weight loss shall not exceed 1.0% (General rule 0831).
not more than 0.1% (General rule 0841).
measured by high performance liquid chromatography (General 0512).
silica gel bonded with octylsilane as filler; Phosphate buffer solution (6.8g of potassium dihydrogen phosphate, 1.3g of sodium octane sulfonate, dissolved in water and diluted to 3.0 ML, adjusted to pH with phosphoric acid)-Fermentation broth (70:30) as mobile phase; Detection wavelength 226mn. The number of theoretical plates shall not be less than 2000 based on the Atenolol peak. The degree of separation of the Atenolol peak from the adjacent impurity peak should meet the requirements.
take about 25mg of this product, put it in a 100ml measuring flask, add an appropriate amount of mobile phase, ultrasonic to dissolve and dilute to the scale, shake well, take 2ml with precision, put it in a 10ml measuring flask, dilute it to scale with mobile phase, shake well, inject 20ul into the liquid chromatograph with precision, record the chromatogram; Take the reference substance of atenolol, and determine with the same method. According to the external standard method to calculate the peak area, that is.
B adrenergic receptor blockers.
sealed storage.
This product contains Atenolol (C14H22N203) should be 90.0% ~ 110.0% of the label amount.
This product is a white tablet or sugar-coated tablet, White after removing the coating.
Take 20 tablets of this product (sugar-coated tablets should be removed from the coating), precise weighing, fine grinding, precise weighing fine powder appropriate amount (equivalent to Atenolol 25mg), put in 100ml measuring flask, add appropriate amount of mobile phase, ultrasonic to dissolve atenolol and dilute it to scale, shake well, filter, take 2ml of continued filtrate precisely, put it in 10ml measuring flask, dilute it to scale with mobile phase, shake well, as the test solution, according to the method under the item of atenolol content determination, it is obtained.
Same as Atenolol.
(1)12.5mg (2)25mg (3)50mg (4)100mg