Ethyl 4-(Chlorosulfonyl)-5-methylthiophene-2-carboxylate CAS 1185853-40-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1185853-40-0 |
| Molecular Formula | C8H9ClO4S2 |
| Molecular Weight | 268.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ethyl 4-(Chlorosulfonyl)-5-methylthiophene-2-carboxylate (CAS 1185853-40-0) pharmaceutical standards reference standard. Molecular formula: C8H9ClO4S2. Molecular weight: 268.74 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H9ClO4S2 |
| Molecular Weight | 268.74 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; 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.) | 1989 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Ethyl Standards
- 2-[4-(chlorosulfonyl)-2-fluorophenoxy]acetic acid (CAS 1016737-75-9)
- 3-(Chlorosulfonyl)-5-fluoro-4-methoxybenzoic acid (CAS 1099186-65-8)
- 5-(Chlorosulfonyl)-3-fluoro-2-methoxybenzoic acid (CAS 1375471-82-1)
- Ethyl 4-(chlorosulfonyl)-3-fluoro-1-methyl-1H-pyrrole-2-carboxylate (CAS 1638268-96-8)
- Ethyl 2-(chlorosulfonyl)-4-methylthiazole-5-carboxylate (CAS 89694-92-8)
- Ethyl 5-(chlorosulfonyl)-2-methylthiazole-4-carboxylate (CAS 93621-40-0)
- 3-(chlorosulfonyl)-4,5-dimethylbenzoyl chloride (CAS 1603443-25-9)
- Methyl 5-(chlorosulfonyl)-2,4-difluorobenzoate (CAS 1099632-51-5)
Recommended Standards
- 2-Chloro-1-[4-(2-hydroxyphenyl)piperazin-1-yl]propan-1-one (CAS 1178761-97-1)
- tert-Butyl 5-chloro-3,4-dihydro-2,6-naphthyridine-2(1H)-carboxylate (CAS 1196153-26-0)
- 3-[4-(3-Chloro-phenyl)-piperazin-1-yl]-propionic acid (CAS 117017-83-1)
- Acebutolol Hydrochloride - Impurity H (Freebase) (CAS 1329613-31-1)
- Methyl 1,5-dimethyl-1H-pyrazole-3-carboxylate (CAS 10250-61-0)
- (S)-4-(Morpholin-2-yl)aniline (CAS 879206-06-1)
- 5-Chloro-6-fluoro pyridine-3-yl-acetonitrile (CAS 1227513-54-3)
- 2-(8-Fluoro-5-methylchroman-6-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1154741-05-5)
- 3-Amino-3-(2,4,5-trifluorophenyl)propanoic acid (CAS 682803-77-6)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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