D-Cysteine
D-cysteine
CAS: 921-01-7
Molecular Formula: C3H7NO2S
D-Cysteine - Names and Identifiers
| Name | D-cysteine |
| Synonyms | D-CYS-OH H-D-CYS-OH D-CYSTEINE D-cysteine D-cycsteine (R)-Cysteine RARECHEM AB PP 1441 BETA-MERCAPTOALANINE D-cysteine free base crystalline (R)-2-Amino-3-mercaptopropanoic acid (S)-2-AMINO-3-MERCAPTOPROPIONIC ACID Propanoic acid, 2-amino-3-mercapto-,(R)- |
| CAS | 921-01-7 |
| EINECS | 213-062-0 |
| InChI | InChI=1/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m1/s1 |
D-Cysteine - Physico-chemical Properties
| Molecular Formula | C3H7NO2S |
| Molar Mass | 121.16 |
| Density | 1.334±0.06 g/cm3(Predicted) |
| Melting Point | ~230 °C (dec.) |
| Boling Point | 293.9±35.0 °C(Predicted) |
| Flash Point | 131.5°C |
| Water Solubility | Soluble in water (partly). |
| Solubility | Aqueous Acid (Slightly), Water (Slightly) |
| Vapor Presure | 0.000411mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | White |
| BRN | 1721407 |
| pKa | 2.07±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Sensitive | Air Sensitive |
| Refractive Index | 1.549 |
| MDL | MFCD00066461 |
| Use | For Organic synthesis |
D-Cysteine - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection S22 - Do not breathe dust. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-23 |
| HS Code | 29309013 |
D-Cysteine - Reference
| Reference Show more | 1. [IF=4.379] Guo Xiao et al."Effect of D-cysteine on dual-species biofilms of Streptococcus mutans and Streptococcus sanguinis."Sci Rep-Uk. 2019 Apr;9(1):1-8 |
D-Cysteine - Reference Information
| biological activity | D-Cysteine is the D-isomer of cysteine and is a potent inhibitor of E. Coli growth. D-Cysteine H2S production is mediated by D-amino acid oxidase and is a neuroprotective agent against cerebellar ataxia. D-Cysteine inhibits the growth and cariogenicity of two-species biofilms formed by S. Mutans and S. Haemophilus. |
| Use | for organic synthesis |
Last Update：2024-04-10 22:29:15
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