3-Chlorobenzo[b]thiophene-2-carboxylic acid 3-chlorobenzo(b)thiophene-2-carboxylic acid 3-chloro-benzo[b]thiophene carboxylic acid 3-chloro-2-benzo[b]thiophene carboxylic acid 3-chloro-benzo[b]thio-phene-2-carboxylic acid 3-chlorobenzo [b]thiophene-2-carboxylic acid 3-chloro-1-benzothiophene-2-carboxylic acid 3-chloro-benzo[b]thiophene-2-carboxylic acid 3-Chlorobenzothiophene-2-carboxylic acid 21211-22-3 CAS 21211-22-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21211-22-3 |
| Molecular Formula | C9H13ClO2S |
| Molecular Weight | 220.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chlorobenzo[b]thiophene-2-carboxylic acid 3-chlorobenzo(b)thiophene-2-carboxylic acid 3-chloro-benzo[b]thiophene carboxylic acid 3-chloro-2-benzo[b]thiophene carboxylic acid 3-chloro-benzo[b]thio-phene-2-carboxylic acid 3-chlorobenzo [b]thiophene-2-carboxylic acid 3-chloro-1-benzothiophene-2-carboxylic acid 3-chloro-benzo[b]thiophene-2-carboxylic acid 3-Chlorobenzothiophene-2-carboxylic acid 21211-22-3 (CAS 21211-22-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H13ClO2S. Molecular weight: 220.72 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H13ClO2S |
| Molecular Weight | 220.72 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
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Recommended Standards
- N-((2-chlorothiazol-5-yl)methyl)-3-methoxypropan-1-amine (CAS 303987-35-1)
- 2-Chloro-4-piperazin-1-ylphenol-d8 (CAS 1246817-03-7)
- 7-chloro-2-sulfanyl-3,4-dihydroquinazolin-4-one (CAS 33017-86-6)
- Methyltrioctylammonium thiosalicylate, 98% (CAS 1027004-61-0)
- 3-Bromo-4-methoxy-5-(piperidin-1-ylsulfonyl)pyridine (CAS 1352507-98-2)
- 3-(1-Piperidinyl)-L-Ala-OH (CAS 911633-41-5)
- (2-Amino-4-methylphenyl)(cyclopropyl)methanone (CAS 172528-62-0)
- 2-Aminoethan-1-ol hemicarbonate (CAS 21829-52-7)
- Ramelteon Metabolite M-II-d3 (Mixture of R and S at the Hydroxy Position) (CAS 1246812-22-5)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com