<SC>L</SC>-Cysteine methyl ester hydrochloride CAS 18598-63-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18598-63-5 |
| Molecular Formula | C4H9NO2S HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies <SC>L</SC>-Cysteine methyl ester hydrochloride (CAS 18598-63-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H9NO2S HCl. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H9NO2S HCl |
| Molecular Weight | 171.64 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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- 1-Boc-4-((3-Oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)methyl)piperidine (CAS 420786-32-9)
- 30003-72-6 insulin chain b oxidized (CAS 30003-72-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com