2,5-Dibromothiophene-3-sulfonyl chloride CAS 70374-40-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70374-40-2 |
| Molecular Formula | C4HBr2ClO2S2 |
| Molecular Weight | 340.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,5-Dibromothiophene-3-sulfonyl chloride (CAS 70374-40-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4HBr2ClO2S2. Molecular weight: 340.44 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1977 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 2 |
Related Dibromothiophene Standards
- 3,4-Dibromothiophene-2-sulfonyl chloride (CAS 128852-15-3)
- 4,5-Dibromothiophene-2-sulfonyl chloride (CAS 81606-31-7)
- 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
- 2,3,6-Triphenylpyrimidine-4(3H)-thione (CAS 89070-06-4)
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- 2-Carboxy Mestanolone Methyl Ester (CAS 145553-00-0)
- N,N’-Bis-(4-chloro-benzyl)-malonamide (CAS 379254-86-1)
- 1-Methyl-4-nitro-1H-pyrazole-3-carbohydrazide (CAS 376618-71-2)
- 2-(2,3-Dihydro-1H-inden-5-yloxy)phenylamine (CAS 937607-86-8)
- 2-Amino-3-(4-(tert-butyl)phenyl)-3-hydroxypropanoic acid (CAS 1523520-66-2)
- 2-Oxa-5-azabicyclo[2.2.2]octane hydrochloride (CAS 1408075-32-0)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
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