3-Chloro-4-(isopropylsulfonyl)-5-(methylthio)thiophene-2-carboxylic acid CAS 175202-23-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 175202-23-0 |
| Molecular Formula | C9H11ClO4S3 |
| Molecular Weight | 314.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-4-(isopropylsulfonyl)-5-(methylthio)thiophene-2-carboxylic acid (CAS 175202-23-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H11ClO4S3. Molecular weight: 314.83 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H11ClO4S3 |
| Molecular Weight | 314.83 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| 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.) | 2007 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 3 |
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Recommended Standards
- N-(2-chlorophenyl)-4-(4-ethylphenyl)thiazol-2-amine (CAS 1022527-31-6)
- (Z)-4-(4-Chlorophenyl)-3-ethyl-N-phenylthiazol-2(3H)-imine (CAS 398471-60-8)
- S-{[(4-Chlorophenyl)sulfanyl](difluoro)methyl} O-ethyl carbonodithioate (CAS 1563062-31-6)
- Strontium perchlorate hydrate (CAS 13450-97-0)
- 5-CHLORO-3-(2-NITROVINYL)-1H-INDOLE (CAS 98993-95-4)
- Clevidipine Butyrate Impurity 26 (CAS 1020718-27-7)
- 4-((Cyclopropylmethoxy)methyl)-3-fluorobenzaldehyde (CAS 1443338-54-2)
- N-((5-chlorothiophen-2-yl)methyl)-2-(pyridin-2-yl)ethan-1-amine (CAS 1021003-31-5)
- 4-[2-(Methylsulfanyl)-6-(4-phenylpiperazin-1-yl)pyrimidin-4-yl]piperazine-1-carboxamide (CAS 339017-91-3)
- Semaglutide impurity 266 (CAS CATO-C4X-2226266)
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