H-D-Cys-OH.HCl.H2O
D-Cysteine hydrochloride monohydrate
CAS: 207121-46-8
Molecular Formula: C3H8ClNO2S
H-D-Cys-OH.HCl.H2O - Names and Identifiers
| Name | D-Cysteine hydrochloride monohydrate |
| Synonyms | D-CYSTEINE HCL H-D-CYS-OH HCL H-D-Cys-OH*HCl*H2O H-D-Cys-OH.HCl.H2O D-Cysteine Hcl Mono D-CYSTEINE HYDROCHLORIDE D-Cysteine HCL monohydrate D-cysteine hydrochloride hydrate D-Cysteine Hydrochloride Monohydrate D-Cysteine hydrochloride monohydrate Cysteine hydrochloride monohydrate, D- (S)-2-Amino-3-mercaptopropanoic acid hydrochloride hydrate |
| CAS | 207121-46-8 |
| EINECS | 251-043-9 |
| InChI | InChI=1/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m1../s1 |
H-D-Cys-OH.HCl.H2O - Physico-chemical Properties
| Molecular Formula | C3H8ClNO2S |
| Molar Mass | 157.62 |
| Melting Point | ~185°C (dec.) |
| Boling Point | 293.9°C at 760 mmHg |
| Flash Point | 131.5°C |
| Water Solubility | almost transparency |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.000411mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | White to yellow |
| Storage Condition | Inert atmosphere,2-8°C |
| Refractive Index | -6 ° (C=8, 1mol/L HC |
H-D-Cys-OH.HCl.H2O - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10-23 |
H-D-Cys-OH.HCl.H2O - Introduction
D-Cysteine hydrochloride monohydrate is a chemical compound with the formula C3H7NO2S · HCl · H2O. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: D-Cysteine hydrochloride monohydrate as a colorless crystalline solid.
-solubility: soluble in water, high solubility.
-Chemical activity: It is a weak amino acid with acidity.
Use:
-Drugs: D-Cysteine hydrochloride is widely used in drug production, especially in anti-cancer drug preparations, which has the effect of adjuvant treatment of tumors.
-Cosmetics: It can also be used as a moisturizer and antioxidant in cosmetics.
Preparation Method:
The preparation method of D-cysteine hydrochloride monohydrate usually involves the following steps:
1. Dissolve D-cysteine in water and add appropriate amount of hydrochloric acid to adjust pH value.
2. Slowly add ethanol to the stable solution.
3. Crystal growth: Continue to stir the solution and grow crystals at room temperature.
4. Filtration and drying: The crystals were filtered and dried at low temperature to obtain monohydrate.
Safety Information:
-D-cysteine hydrochloride monohydrate is generally non-toxic to the human body, but it is still necessary to follow the corresponding safety procedures before use.
-Avoid direct contact with skin and eyes during operation to avoid irritation or damage.
-Avoid contact with acidic or oxidizing agents during storage and handling.
-If inhalation or ingestion occurs, seek medical attention immediately.
Nature:
-Appearance: D-Cysteine hydrochloride monohydrate as a colorless crystalline solid.
-solubility: soluble in water, high solubility.
-Chemical activity: It is a weak amino acid with acidity.
Use:
-Drugs: D-Cysteine hydrochloride is widely used in drug production, especially in anti-cancer drug preparations, which has the effect of adjuvant treatment of tumors.
-Cosmetics: It can also be used as a moisturizer and antioxidant in cosmetics.
Preparation Method:
The preparation method of D-cysteine hydrochloride monohydrate usually involves the following steps:
1. Dissolve D-cysteine in water and add appropriate amount of hydrochloric acid to adjust pH value.
2. Slowly add ethanol to the stable solution.
3. Crystal growth: Continue to stir the solution and grow crystals at room temperature.
4. Filtration and drying: The crystals were filtered and dried at low temperature to obtain monohydrate.
Safety Information:
-D-cysteine hydrochloride monohydrate is generally non-toxic to the human body, but it is still necessary to follow the corresponding safety procedures before use.
-Avoid direct contact with skin and eyes during operation to avoid irritation or damage.
-Avoid contact with acidic or oxidizing agents during storage and handling.
-If inhalation or ingestion occurs, seek medical attention immediately.
Last Update：2024-04-09 01:59:54
