Retro-2 CAS 1638-41-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1638-41-1 |
| Molecular Formula | C12H4Cl6O4S |
| Molecular Weight | 456.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Retro-2 (CAS 1638-41-1) pharmaceutical standards reference standard. Molecular formula: C12H4Cl6O4S. Molecular weight: 456.94 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H4Cl6O4S |
| Molecular Weight | 456.94 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Retro Standards
Recommended Standards
- 4-{[(4-chlorophenyl)methyl]sulfanyl}-5-methoxy-2-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)pyrimidine (CAS 478042-71-6)
- [2-[[3-(2-Chlorobenzoyl)-5-ethyl-2-thienyl]amino]-2-oxoethyl]carbamic Acid Benzyl Ester (CAS 50508-73-1)
- Netupitant Impurity 52 (CAS CATO-C4X-122352)
- 6-Chloro-1-methylquinazoline-2,4(1H,3H)-dione (CAS 10320-59-9)
- 2-Bromo-N-(4-bromo-3,5-dimethylphenyl)acetamide (CAS 895854-58-7)
- Iridium, (2,4-pentanedionato-κO2,κO4)bis[2-(thieno[3,2-c]pyridin-4-yl-κN5)phenyl-κC]- (CAS 1258323-36-2)
- Nonaethylenel di(p-toluenesulfonate) (CAS 109635-64-5)
- 4-(2,4-Dichlorophenyl)pyrimidin-2-amine (CAS 828273-03-6)
- Travoprost Impurity 17（11-keto Fluprostenol） (CAS 62145-07-7)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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