Methyl 3-chlorobenzo[b]thiophene-2-carboxylate CAS 21211-07-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21211-07-4 |
| Molecular Formula | C10H7ClO2S |
| Molecular Weight | 226.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-chlorobenzo[b]thiophene-2-carboxylate (CAS 21211-07-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H7ClO2S. Molecular weight: 226.68 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H7ClO2S |
| Molecular Weight | 226.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2-(5-Chlorobenzo[b]thiophen-3-yl)acetic Acid (CAS 17266-30-7)
- 2-(2-Chlorobenzo[b]thiophen-3-yl)acetic acid (CAS 174454-42-3)
- 4-Chlorobenzo[b]thiophene-2-carbohydrazide (CAS 952182-46-6)
- 5-Chlorobenzo[b]thiophene-2-carbohydrazide (CAS 87999-20-0)
- 6-Chlorobenzo[b]thiophene-2-carbohydrazide (CAS 87999-22-2)
- Methyl 7-chlorobenzo[b]thiophene-2-carboxylate (CAS 550998-56-6)
- N-(2-Chlorobenzo[d]thiazol-5-yl)acetamide (CAS 38519-31-2)
- Methyl4-chlorobenzo[b]thiophene-2-carboxylate (CAS 35212-95-4)
Recommended Standards
- Isopropyl (5-chloro-2-methylphenyl)carbamate (CAS 2621-68-3)
- methyl 5-chloro-1-benzothiophene-2-carboxylate (CAS 35212-96-5)
- 7-Chloro-3-methylbenzo[b]thiophene-2-carboxylic acid (CAS 752135-41-4)
- 5-(2,4-Dichlorophenyl)-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 162693-41-6)
- Methyl 4-acetamidopyridine-2-carboxylate (CAS 1820716-80-0)
- β-Naphthylthiourea (CAS 3394-04-5)
- 3-(Piperazin-1-yl)-N,N-dipropylpropan-1-amine (CAS 827614-51-7)
- 2-Formyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (CAS 61047-23-2)
- (4-Oxo-4-phenylbutyl)triphenylphosphonium bromide (CAS 89490-63-1)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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