3-Chlorobenzothiophene-2-carbonyl chloride 3-chlorobenzo[b]thiophen-2-carbonyl chloride 3-chlorobenzo[b]thiophene-2-carbonyl chloride 3-chloro-1-benzothiophene-2-carbonyl chloride 3-chloro-benzo[b]thiophene-2-carbonyl chloride 21815-91-8 CAS 21815-91-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21815-91-8 |
| Molecular Formula | C9H4Cl2OS |
| Molecular Weight | 231.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-Chlorobenzothiophene-2-carbonyl chloride 3-chlorobenzo[b]thiophen-2-carbonyl chloride 3-chlorobenzo[b]thiophene-2-carbonyl chloride 3-chloro-1-benzothiophene-2-carbonyl chloride 3-chloro-benzo[b]thiophene-2-carbonyl chloride 21815-91-8 (CAS 21815-91-8) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C9H4Cl2OS. Molecular weight: 231.10 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C9H4Cl2OS |
| Molecular Weight | 231.10 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| 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 Chlorobenzothiophene Standards
- Methyl 6-Chlorobenzothiophene-2-carboxylate (CAS 104795-85-9)
- 5-Chlorobenzothiophene-2-sulfonyl Chloride (CAS 128851-98-9)
- 6-chlorobenzothiophene-2-sulfonyl chloride (CAS 128852-07-3)
- 7-chlorobenzothiophene-2-sulfonyl chloride (CAS 128852-08-4)
- 7-chlorobenzothiophene-3-sulfonyl chloride (CAS 30214-09-6)
Recommended Standards
- Octylphosphonic dichloride (CAS 3095-94-1)
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- 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-Indole (CAS 388116-27-6)
- [3-fluoro-4-(2-fluorophenoxy)phenyl]methanamine (CAS 1038721-54-8)
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- 1-(4-Fluorophenyl)-1,4-dihydropyrazine-2,3-dione (CAS 892293-51-5)
- 3-Iodo-6-methyl-1,4,6,7-tetrahydropyrano[4,3-c]pyrazole (CAS 2329572-80-5)
- 3-Methylpyrazolo[1,5-a]pyrimidin-5-ol (CAS 1566363-62-9)
- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
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