4-(2-Hydroxybenzylidene)-2-methyloxazol-5(4H)-one CAS 76834-54-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 76834-54-3 |
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-Hydroxybenzylidene)-2-methyloxazol-5(4H)-one (CAS 76834-54-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9NO3. Molecular weight: 203.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 1 |
Related Hydroxybenzylidene Standards
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- 4-(4-Hydroxybenzylidene)-2-methyloxazol-5(4H)-one (CAS 73043-18-2)
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Recommended Standards
- 4-(2-Amino-3,3-difluoropropyl)benzene-1,2-diol (CAS 702-19-2)
- 3-Nitronaphthalene-2-methanol (CAS 73428-04-3)
- 3-Methyl-4-oxo-1,4-dihydroquinoline-2-carboxylic acid (CAS 858488-66-1)
- 5-amino-N,N-dimethyl-1H-pyrazole-1-carboxamide (CAS 153748-64-2)
- 3-(Pyrrolidin-1-yl)butanoic acid hydrochloride (CAS 237062-38-3)
- N,9,9-Triphenyl-9H-fluoren-2-amine (CAS 860465-14-1)
- (3-(Aminomethyl)pyrrolidin-1-yl)(4-fluoro-3-methylphenyl)methanone (CAS 1826194-60-8)
- Methyl 4-amino-3-[(methylcarbamoyl)methoxy]benzoate (CAS 1096309-23-7)
- Ethyl 4-(furan-2-carbonyl)isoxazole-3-carboxylate (CAS 338761-74-3)
- [D-His]-Semaglutide B (x TFA Salt) (CAS CATO-C4X-2226117)
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