3-Bromo-4-ethynylthiophene CAS 198491-48-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 198491-48-4 |
| Molecular Formula | C6H3BrS |
| Molecular Weight | 187.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Bromo-4-ethynylthiophene (CAS 198491-48-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H3BrS. Molecular weight: 187.06 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H3BrS |
| Molecular Weight | 187.06 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-Bromo-5-ethynylthiophene (CAS 105995-73-1)
- 2-Bromo-4-ethynylthiophene (CAS 1849317-45-8)
- 2-Bromo-3-ethynylthiophene (CAS 198491-45-1)
- 4-Bromo-2-ethynylthiophene (CAS 690266-87-6)
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Recommended Standards
- Poly(oxy-1,2-ethanediyl), .alpha.-(2-chloroethyl)-.omega.-(2-chloroethoxy)- (CAS 27252-69-3)
- 2-Bromoethyl Methyl Sulfone (CAS 16523-02-7)
- 2,2-Dichloro-1,1-diethoxyethane 619-33-0 D0354 Dichloroacetal Dichloroacetaldehyde Diethyl Acetal (CAS 619-33-0)
- Nickelate(4-), [[4,4',4'',4'''-(21H,23H-porphine-5,10,15,20-tetrayl-κN21,κN22,κN23,κN24)tetrakis[benzenesulfonato]](6)]-, tetrasodium (CAS 67204-04-0)
- N-[(4-Bromophenyl)(phenyl)methyl]acetamide (CAS 5580-51-8)
- Methyl 2-{[(4-chlorophenyl)methylene]amino}-2-phenylacetate (CAS 75984-69-9)
- 1,3,4,5,6,7,8-Heptafluoronaphthalen-2-amine (CAS 1146-66-3)
- Tetramethyl 5,5,8,9-tetramethyl-5,6-dihydrospiro[1,3-dithiole-2,1-thiopyrano[2,3-c]quinoline]-2,3,4,5-tetracarboxylate (CAS 331761-20-7)
- Fluorouracil Impurity 11 (Mixture of Diastereomers) (CAS 37103-91-6)
- Glucagon receptor antagonists-2 (CAS 202917-18-8)
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