3-Bromo-2-chlorothiophene CAS 40032-73-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40032-73-3 |
| Molecular Formula | C4H2BrClS |
| Molecular Weight | 197.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Bromo-2-chlorothiophene (CAS 40032-73-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H2BrClS. Molecular weight: 197.48 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H2BrClS |
| Molecular Weight | 197.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2,4-Dichlorobenzyl Chloride-d2 (CAS 1246817-90-2)
- 4-Chloro-1-(difluoromethyl)-3-nitro-1h-pyrazole (CAS 1245773-01-6)
- 1,2-Dichloroethane-1-sulfonyl chloride (CAS 84501-81-5)
- 2-(Hydroxymethyl)-5-(trifluoromethoxy)phenol (CAS 1261829-86-0)
- 2-bromo-7-chloro-3H-imidazo[4,5-b]pyridine (CAS 1401687-53-3)
- 5-[2-(4-Fluoroanilino)vinyl]-3-(methylsulfanyl)-4-isothiazolecarbonitrile (CAS 338751-14-7)
- Riboflavin Impurity 13 (CAS 4250-90-2)
- 4-Fluoropyrazolo[1,5-a]pyridine-2-carboxylic acid (CAS 1273312-59-6)
- Tolperisone Impurity 5 (CAS 756433-31-5)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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