5-Bromo-4-(chlorosulfonyl)thiophene-2-carboxylic acid CAS 172461-89-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 172461-89-1 |
| Molecular Formula | C5H2BrClO4S2 |
| Molecular Weight | 305.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Bromo-4-(chlorosulfonyl)thiophene-2-carboxylic acid (CAS 172461-89-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H2BrClO4S2. Molecular weight: 305.55 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H2BrClO4S2 |
| Molecular Weight | 305.55 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2006 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 2 |
Related Bromo Standards
- ethyl 3-(3-bromo-4-chlorophenyl)-3-oxopropanoate (CAS 112704-82-2)
- Ethyl 3-(5-bromo-2-chlorophenyl)-3-oxopropanoate (CAS 1240570-51-7)
- 4-bromo-5-(chlorosulfonyl)thiophene-2-carboxylic acid (CAS 1306604-23-8)
- Ethyl 3-(4-Bromo-2-chlorophenyl)-3-oxopropionate (CAS 131994-22-4)
- Ethyl 2-bromo-3-(4-chlorophenyl)-3-oxopropanoate (CAS 152559-46-1)
- Ethyl 2-bromo-3-(3-chlorophenyl)-3-oxopropanoate (CAS 914220-11-4)
- 4-(5-Bromo-2-chloropyridine-3-carbonyl)morpholine (CAS 1251232-44-6)
- (5-Bromo-2-chloropyridin-4-yl)(morpholino)methanone (CAS 1870258-51-7)
Recommended Standards
- (S)-N-((S)-1-((tert-Butyldimethylsilyl)oxy)but-3-en-2-yl)-2-methylpropane-2-sulfinamide (CAS 926660-07-3)
- Salbutamol Impurity 217 (CAS CATO-C4X-1176217)
- (R)-(+)-1-Benzyl-2,2-diphenylethylamine 94964-58-6 ACMC-20apki (CAS 94964-58-6)
- (3-Chloro-4-fluorophenyl)(thiophen-3-yl)methanone (CAS 898771-21-6)
- N-(3-cyano-4-((3-(trifluoromethyl)phenyl)thio)phenyl)-4-fluorobenzamide (CAS 320421-64-5)
- 2-[(1-Phenyl-4,5,6,7-tetrahydro-1H-1,3-benzodiazol-2-yl)sulfanyl]acetic acid (CAS 851169-09-0)
- 2-(4-Methoxyphenyl)-1,2,3,4-tetrahydrocyclopenta[b]indole (CAS 116526-33-1)
- Ethyl [(4-methylphenyl)amino](oxo)acetate (CAS 18522-98-0)
- Momordicoside L (CAS 81348-83-6)
- Peptide 46 (H-4054.0500) (CAS 192122-40-0)
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