5-(5-Bromothiophen-2-yl)isoxazole CAS 138716-31-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138716-31-1 |
| Molecular Formula | C7H4BrNOS |
| Molecular Weight | 230.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(5-Bromothiophen-2-yl)isoxazole (CAS 138716-31-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4BrNOS. Molecular weight: 230.08 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4BrNOS |
| Molecular Weight | 230.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- 3-(5-Bromothiophen-2-yl)isoxazole (CAS 175205-66-0)
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Recommended Standards
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- Benzo[c][1,2,5]oxadiazol-4-ylmethanol (CAS 175609-19-5)
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- 5-Fluoro-2-iodo-4-methylaniline (CAS 1126423-32-2)
- 4-Methyl-3-(2-methylcyclopropyl)-1h-pyrazol-5-amine (CAS 1187767-06-1)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isobenzofuran-1,3-dione (CAS 1637547-42-2)
- 2-Ethylbutyl 4-(2-bromophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 300360-02-5)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
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