4-Bromo-2-ethynylthiophene CAS 690266-87-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 690266-87-6 |
| Molecular Formula | C6H3BrS |
| Molecular Weight | 187.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Bromo-2-ethynylthiophene (CAS 690266-87-6) pharmaceutical standards reference standard. Molecular formula: C6H3BrS. Molecular weight: 187.06 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 1985 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
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- 2-Bromo-4-ethynylthiophene (CAS 1849317-45-8)
- 2-Bromo-3-ethynylthiophene (CAS 198491-45-1)
- 3-Bromo-4-ethynylthiophene (CAS 198491-48-4)
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Recommended Standards
- Poly(oxy-1,2-ethanediyl), .alpha.-(2-chloroethyl)-.omega.-(2-chloroethoxy)- (CAS 27252-69-3)
- 2,2-Dichloro-1,1-diethoxyethane 619-33-0 D0354 Dichloroacetal Dichloroacetaldehyde Diethyl Acetal (CAS 619-33-0)
- (E)-1-chloro-4-(3-chloroprop-1-en-1-yl)benzene (CAS 103979-29-9)
- 2-Methyl-4,5,6,7-tetrahydro-1H-benzoimidazole (CAS 3291-07-4)
- (S)-4-Acetyl-1-((R)-1-(4-methoxyphenyl)ethyl)pyrrolidin-2-one (CAS 1951425-15-2)
- (5-Cyclopropyl-1,2,4-oxadiazol-3-yl)methanesulfonyl chloride (CAS 1597298-23-1)
- RDX (CAS 121-82-4)
- (R)-3-((tert-Butoxycarbonyl)amino)-2-(furan-2-ylmethyl)propanoic acid (CAS 1260603-67-5)
- 37398-28-0 N-Benzyloxycarbonyl-5-(3-acetamido-6-benzyloxypenyl)cysteine Methyl Ester S-[5-(Acetylamino)-2-(phenylmethoxy)phenyl]-N-[(phenylmethoxy)carbonyl]cysteine Methyl Ester (CAS 37398-28-0)
- D-Ile17-Tirzepatide (CAS CATO-CPTD788917)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com