4,5-Dibromothiophene-2-sulfonyl chloride CAS 81606-31-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81606-31-7 |
| Molecular Formula | C4HBr2ClO2S2 |
| Molecular Weight | 340.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dibromothiophene-2-sulfonyl chloride (CAS 81606-31-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4HBr2ClO2S2. Molecular weight: 340.44 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4HBr2ClO2S2 |
| Molecular Weight | 340.44 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| 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.) | 1980 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 2 |
Related Dibromothiophene Standards
- 3,4-Dibromothiophene-2-sulfonyl chloride (CAS 128852-15-3)
- 2,5-Dibromothiophene-3-sulfonyl chloride (CAS 70374-40-2)
- 2,5-Dibromothiophene-3,4-dicarboxylic Acid (CAS 190723-12-7)
- 2,5-Dibromothiophene-3-sulfonamide (CAS 7182-36-7)
- 4,5-Dibromothiophene-2-sulfonamide (CAS 77893-69-7)
- Ethyl 3,4-dibromothiophene-2-carboxylate (CAS 153562-67-5)
- Ethyl 4,5-dibromothiophene-3-carboxylate (CAS 1823905-03-8)
- Ethyl 2,5-dibromothiophene-3-carboxylate (CAS 289470-44-6)
Recommended Standards
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- 4-[(1S)-1-(Boc-amino)ethyl]benzoic acid (CAS 1014644-95-1)
- Cyclohexyl(4-methylphenyl)methanone (CAS 2789-44-8)
- 2-Bromo-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 2223011-74-1)
- Des-Gly34-Tirzepatide (CAS CATO-CPTD788940)
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