2-((4-Bromophenyl)sulfonyl)-3-phenylisoxazol-5(2H)-one CAS 303987-05-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303987-05-5 |
| Molecular Formula | C15H10BrNO4S |
| Molecular Weight | 380.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((4-Bromophenyl)sulfonyl)-3-phenylisoxazol-5(2H)-one (CAS 303987-05-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H10BrNO4S. Molecular weight: 380.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H10BrNO4S |
| Molecular Weight | 380.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Ethyl 5-bromo-2-(1,3-dioxoisoindolin-2-yl)thiophene-3-carboxylate (CAS 1629013-79-1)
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- 2,5-Dimethyl-1,1'-biphenyl (CAS 7372-85-2)
- (4-(Benzo[d]oxazol-2-yl)phenyl)(cyano)methyl acetate (CAS 65540-84-3)
- 5-Methoxyindole-3-glyoxylamide (CAS 52055-22-8)
- tert-butyl N-(1-carbamothioylethyl)carbamate (CAS 96929-01-0)
- Methyl 4-iodo-1-isobutyl-1H-pyrazole-5-carboxylate (CAS 1354706-00-5)
- 4-(2-Benzoxazolylthio)-2-butyn-1-ol (CAS 383149-27-7)
- [Tyr15] Fibrinopeptide B, human (CAS 125455-56-3)
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