Captopril Impurity 31 CAS 69570-39-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 69570-39-4 |
| Molecular Formula | C6H9ClO2S |
| Molecular Weight | 180.65 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Captopril Impurity 31 (CAS 69570-39-4), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H9ClO2S. Molecular weight: 180.65 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H9ClO2S |
| Molecular Weight | 180.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Captopril Standards
- Captopril Impurity 8 (CAS 74345-73-6)
- Captopril Impurity 26 (CAS 51161-88-7)
- Captopril EP Impurity E (CAS 23500-15-4)
- Captopril Impurity 37(Piracetam Impurity E) (CAS 1249080-59-8)
- Captopril EP Impurity D (CAS 56970-78-6)
- Captopril EP Impurity G (R-Isomer) (CAS 74431-52-0)
- Captopril EP Impurity G (CAS 33325-40-5)
- Captopril EP Impurity G (S-Isomer) (CAS 76497-39-7)
Recommended Standards
- Spiro[2.2]pentan-1-ylmethanesulfonyl chloride (CAS 2137750-67-3)
- Milnacipran Impurity 4 (CAS 64805-64-7)
- Di-tert-butylphosphine chloride (CAS 13716-10-4)
- Lurbinectedin Impurity 2 (CAS 497871-10-0)
- Gatifloxacin Impurity 34 (CAS CATO-C4X-125334)
- Ethyl 7-chloro-2,8-dimethylquinoline-3-carboxylate (CAS 948290-28-6)
- (1E)-1-Ethoxy-4,4,5,5,5-pentafluoropent-1-en-3-one (CAS 184783-32-2)
- 3-(Difluoromethyl)-4-nitro-6-(trifluoromethyl)pyridin-2-amine (CAS 1805218-33-0)
- 2-(((Benzyloxy)carbonyl)amino)-3,3,3-trifluoro-2-methylpropanoic acid (CAS 139520-43-7)
- Adrenal Peptide E, bovine (CAS 78355-50-7)
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