Acetylcysteine EP Impurity A CAS 56-89-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 56-89-3 |
| Molecular Formula | C6H12N2O4S2 |
| Molecular Weight | 240.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Acetylcysteine EP Impurity A (CAS 56-89-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H12N2O4S2. Molecular weight: 240.30 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H12N2O4S2 |
| Molecular Weight | 240.30 g/mol |
| Purity | >95% |
| 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 | 2 |
| Sulfur Atoms | 2 |
Related Acetylcysteine Standards
- Acetylcysteine Impurity 36 (CAS 6020-39-9)
- Acetylcysteine Impurity 24 (CAS CATO-C4X-153224)
- Acetylcysteine Impurity 17 (CAS CATO-C4X-153217)
- Acetylcysteine Impurity 40 (CAS 51868-61-2)
- Acetylcysteine impurity 69 (CAS CATO-C4X-153269)
- Acetylcysteine impurity 62 (CAS 64524-84-1)
- Acetylcysteine Impurity 4 (CAS 210354-22-6)
- Acetylcysteine Impurity 37 (CAS 19547-88-7)
Recommended Standards
- Misoprostol EP Impurity F (CAS 41138-61-8)
- Oseltamivir Impurity 241 (CAS CATO-C4X-1720241)
- Tiotropium EP Impurity A (CAS 4746-63-8)
- N-(5-(Methylthio)-1,3,4-thiadiazol-2-yl)-5-phenylisoxazole-3-carboxamide (CAS 898513-01-4)
- 1-Methyl-5-indolecarboxylic Acid (CAS 186129-25-9)
- (3-Cyclopropyl-1H-pyrazol-5-yl)methanamine (CAS 518064-13-6)
- Ethyl bicyclo[6.1.0]Nonane-9-carboxylate (CAS 72258-12-9)
- 2-(((4-Isopropylphenyl)amino)methyl)-5-methoxyphenol (CAS 763130-63-8)
- 5-(2,2-Dimethyl-propyl)-isoxazole-3-carbaldehyde (CAS 1123172-45-1)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
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