L-Cysteine hydrate CAS 39665-15-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 39665-15-1 |
| Molecular Formula | C3H7NO2S H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
L-Cysteine hydrate (CAS 39665-15-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C3H7NO2S H2O. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C3H7NO2S H2O |
| Molecular Weight | 139.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related L Standards
- DL-Cysteine- (CAS 10318-18-0)
- DL-Cysteine hydrochloride monohydrate (CAS 116797-51-4)
- DL-Cysteine-3,3-d2 (CAS 124051-54-3)
- L-Cysteine-Glutathione Disulfide (CAS 13081-14-6)
- L-Cysteine Sulfinic Acid 2 (CAS 1315057-92-1)
- D-Cysteine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-methyl- (CAS 1393524-09-8)
- DL-Cysteine-3- (CAS 150146-94-4)
- L-Cysteine S-sulfate sodium salt sesquihydrate (CAS 150465-29-5)
Recommended Standards
- (2-(Morpholinomethyl)pyridin-4-yl)boronic acid (CAS 1182273-53-5)
- 5'-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-4,4-dimethyl-hexahydrospiro[cyclohexane-1,3'-pyrrolo[3,4-d][1,2]oxazole]-2,4',6,6'-tetrone (CAS 338772-51-3)
- 1-(2-(Piperidin-1-yl)ethyl)isoquinoline (CAS 126921-48-0)
- Methyl 5-((tert-butoxycarbonyl)amino)-3-oxopentanoate (CAS 141734-32-9)
- 2,4,7-Trimethyl-2,3-dihydro-1H-inden-1-one (CAS 89044-50-8)
- m-PEG9-CH2COOH (CAS 405518-55-0)
- Tau Peptide (379-408) trifluoroacetate salt (CAS 1246357-53-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com