5-Bromo-3-methylbenzo[b]thiophene-2-sulphonyl chloride CAS 338797-11-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338797-11-8 |
| Molecular Formula | C9H6BrClO2S2 |
| Molecular Weight | 325.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromo-3-methylbenzo[b]thiophene-2-sulphonyl chloride (CAS 338797-11-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H6BrClO2S2. Molecular weight: 325.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H6BrClO2S2 |
| Molecular Weight | 325.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
- (3-Bromophenyl)(4-chloro-3,5-dimethylphenyl)methanol (CAS 1443351-75-4)
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- Methyl 2-mesityl-2-(methylamino)acetate (CAS 1218631-75-4)
- 2-(2-Methylcyclopropyl)acetic acid (CAS 16205-63-3)
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- 5,6,7,8-Tetrahydroimidazo[1,2-a]pyrimidine-2-carboxamide (CAS 1353504-93-4)
- 6-Fluoro-2-naphthoic acid methyl ester (CAS 5043-00-5)
- 5,7-dimethylpyrido[2,3-d]pyrimidine-2,4-diamine (CAS 20739-23-5)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
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