Methyl 4-chloro-3-methylthiophene-2-carboxylate CAS 683787-70-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 683787-70-4 |
| Molecular Formula | C7H7ClO2S |
| Molecular Weight | 190.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Methyl 4-chloro-3-methylthiophene-2-carboxylate (CAS 683787-70-4) pharmaceutical standards reference standard. Molecular formula: C7H7ClO2S. Molecular weight: 190.65 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H7ClO2S |
| Molecular Weight | 190.65 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 | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-[(2,4-difluorophenyl)sulfanyl]-2-phenylacetic acid (CAS 1097125-21-7)
- n-(4-Cyanophenyl)-4-(4-methylphenoxy)butanamide (CAS 793692-57-6)
- Liraglutide-d8 Tetratrifluoroacetate (CAS 204656-20-2 (non-labelled, free base))
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