N-Acetyl-L-cysteine CAS 616-91-1
Purity >80%In StockPharmaceutical Standards
| CAS No. | 616-91-1 |
| Molecular Formula | C5H9NO3S |
| Molecular Weight | 163.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N-Acetyl-L-cysteine (CAS 616-91-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H9NO3S. Molecular weight: 163.19 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H9NO3S |
| Molecular Weight | 163.19 g/mol |
| Purity | >80% |
| 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) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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- (3Z)-7-(trifluoromethyl)-1H-indole-2,3-dione 3-oxime (CAS 74396-78-4)
- Semaglutide impurity 92 (CAS CATO-C4X-222692)
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