4-Chloro-3-methylbenzo[b]thiophene CAS 20895-96-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20895-96-9 |
| Molecular Formula | C9H7ClS |
| Molecular Weight | 182.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Chloro-3-methylbenzo[b]thiophene (CAS 20895-96-9) pharmaceutical standards reference standard. Molecular formula: C9H7ClS. Molecular weight: 182.67 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H7ClS |
| Molecular Weight | 182.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 3-Chloro-4-methylbenzo[b]thiophene (CAS 130219-79-3)
- 7-Chloro-3-methyl-1-benzothiophene (CAS 17514-68-0)
- 3-Chloro-7-methylbenzo[b]thiophene (CAS 87924-82-1)
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- 1-(4-Chloro-2-methylphenyl)propan-1-one (CAS 1034980-59-0)
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Recommended Standards
- 5-(Chloromethyl)benzo[b]thiophene (CAS 20532-35-8)
- 2-(Chloromethyl)benzothiophene (CAS 2076-88-2)
- Cyclopentylmethanesulfonylchloride (CAS 242459-85-4)
- 2,4,5,8,13-pentaazatricyclo[7.4.0.0²,⁶]trideca-1(9),3,5,10,12-pentaen-7-one (CAS 851043-72-6)
- 4-Hydrazinyl-2,6,8-trimethylquinoline (CAS 203626-72-6)
- (11bR)-2,6-Bis([1,1'-biphenyl]-4-yl)-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 699006-54-7)
- 6-chloro-6-methylbicyclo[3.1.0]hexan-2-one (CAS 117341-93-2)
- N-Hydroxy Riluzole-13C,15N2 (CAS 1189887-96-4)
- Sodium 2,2-bis(allyloxy)acetate (CAS 24310-01-8)
- Tirzepatide Impurity 38 (CAS CATO-C4X-324038)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com