4-(2-Hydroxybenzylidene)-3-phenylisoxazol-5(4H)-one CAS 54754-45-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 54754-45-9 |
| Molecular Formula | C16H11NO3 |
| Molecular Weight | 265.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(2-Hydroxybenzylidene)-3-phenylisoxazol-5(4H)-one (CAS 54754-45-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H11NO3. Molecular weight: 265.26 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H11NO3 |
| Molecular Weight | 265.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
Related Hydroxybenzylidene Standards
- 4-(3-Hydroxybenzylidene)-2-phenyloxazol-5(4H)-one (CAS 76505-93-6)
- 4-(3-Hydroxybenzylidene)-3-phenylisoxazol-5(4H)-one (CAS 54754-44-8)
- N'-(4-Hydroxybenzylidene)-2-morpholinoacetohydrazide (CAS 61221-00-9)
- N-(2-Hydroxybenzylidene)benzenesulfonamide (CAS 31367-09-6)
- (S)-2-((2-Hydroxybenzylidene)amino)-3-(1H-imidazol-4-yl)propanoic acid (CAS 63546-38-3)
- (E)-2-(2-hydroxybenzylidene)-N-phenylhydrazine-1-carbothioamide (CAS 1185908-30-8)
- N'-(4-Hydroxybenzylidene)-3-isopropyl-1H-pyrazole-5-carbohydrazide (CAS 303106-44-7)
- 2-(2-Hydroxybenzylidene)-2,5,6,7,8,9-hexahydro-3H-imidazo[1,2-a]azepin-3-one (CAS 306955-93-1)
Recommended Standards
- 4-(2,3-Dihydrobenzo[b][1,4]dioxine-6-carboxamido)butanoic acid (CAS 335212-82-3)
- 4-(3-Cyanobenzoyl)phenyl acetate (CAS 890099-54-4)
- 4-((Benzyloxy)carbonyl)morpholine-3-carboxylic acid (CAS 256446-67-0)
- 1-Phenyl-2-azaspiro[3.5]Nonane (CAS 1871889-41-6)
- 1-(6-Fluoropyridin-3-yl)cyclopropane-1-carbonitrile (CAS 1427011-98-0)
- Diazoxide impurity 11 (CAS CATO-C4X-195211)
- Phenylephrine Impurity 103 (CAS CATO-C4X-1467103)
- 7-Methyl-4-phenyl-2H-pyrido[1,2-a]pyrimidin-2-one (CAS 68097-28-9)
- 4-(Pyrrolidin-1-yl)butan-2-amine (CAS 138548-04-6)
- 141801-03-8 IL-1 Receptor Peptide (human) (CAS 141801-03-8)
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