L-Cysteine-D-penicillamine Disulfide CAS 18840-45-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18840-45-4 |
| Molecular Formula | C8H16N2O4S2 |
| Molecular Weight | 268.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity L-Cysteine-D-penicillamine Disulfide (CAS 18840-45-4) pharmaceutical standards reference standard. Molecular formula: C8H16N2O4S2. Molecular weight: 268.35 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H16N2O4S2 |
| Molecular Weight | 268.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related L Standards
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- Cysteine Betaine Disulphide (CAS 59077-05-3)
- D-Cysteine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-methyl- (CAS 1393524-09-8)
- L-Cysteine Sulfinic Acid 2 (CAS 1315057-92-1)
- D-Cysteine Methyl Ester (CAS 88806-98-8)
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Recommended Standards
- 1-Methyl-3-phenylanthracene (CAS 185608-87-1)
- 1-Benzyl-4-(pyridin-3-yl)piperidin-4-ol (CAS 188879-36-9)
- tert-Butyl 4-(3-oxopyrrolidin-1-yl)piperidine-1-carboxylate (CAS 1781112-62-6)
- 3,5-Difluoro-2-hydroxyphenacyl chloride (CAS 1706463-02-6)
- (R)-2-(Furan-2-yl)-2-hydroxyacetic acid (CAS 130795-19-6)
- 3-(2-Hydroxy-2-phenylethyl)-1,3-oxazolidin-2-one (CAS 82191-11-5)
- Ethyl 7-(tert-butyl)-3-(4-fluorobenzoyl)indolizine-1-carboxylate (CAS 853329-58-5)
- 1-Benzyl-3,3-difluoropiperidine (CAS 741288-41-5)
- 1-(5-(1-Tosylpyrrolidin-2-yl)pyridin-2-yl)azepane (CAS 1352510-53-2)
- C-telopeptide (CAS 162929-64-8)
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