4-(Chlorosulfonyl)thiophene-3-carboxylic acid CAS 1375472-54-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1375472-54-0 |
| Molecular Formula | C5H3ClO4S2 |
| Molecular Weight | 226.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Chlorosulfonyl)thiophene-3-carboxylic acid (CAS 1375472-54-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H3ClO4S2. Molecular weight: 226.66 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H3ClO4S2 |
| Molecular Weight | 226.66 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, water |
| 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 |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Chlorosulfonyl Standards
- 5-(Chlorosulfonyl)thiophene-2-carboxylic acid (CAS 10216-12-3)
- 3-(Chlorosulfonyl)thiophene-2-carboxylic acid (CAS 741653-98-5)
- 4-(Chlorosulfonyl)thiophene-2-carboxylic acid (CAS 79279-54-2)
- 5-(Chlorosulfonyl)thiophene-3-carboxylic acid (CAS 875163-07-8)
- 4-(Chlorosulfonyl)benzoic acid (CAS 10130-89-9)
- 3-[(chlorosulfonyl)(2-methoxyethyl)amino]propanenitrile (CAS 1343675-60-4)
- Ethyl 2-(1-(chlorosulfonyl)cyclopropyl)acetate (CAS 1461708-73-5)
- methyl 2-(chlorosulfonyl)cyclopentane-1-carboxylate (CAS 1552637-43-0)
Recommended Standards
- 3-Chloro-5-(cyclopropylmethoxy)benzoic Acid (CAS 1369785-75-0)
- 4-Chloro-2-((1,3-dihydroxypropan-2-yl)amino)benzonitrile (CAS 1384807-05-9)
- 3-(2-Chloroacetyl)-1-(4-methylphenyl)urea (CAS 13558-77-5)
- Lg 101506 (CAS 331248-11-4)
- 3-Cyano-5-(p-tolyl)-4,5-dihydroisoxazole 2-oxide (CAS 61207-11-2)
- (7R,11R)-3,7,11,15-Tetramethylhexadecan-3-ol (CAS 20685-73-8)
- 2-[(Cyclopropylcarbonyl)amino]-4,5-dimethoxybenzoic Acid (CAS 496913-51-0)
- 7H-Purin-8(9H)-one (CAS 13230-97-2)
- (S)-3-Amino-3-(4-bromophenyl)propan-1-ol (CAS 1143534-62-6)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
Why CATO?
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