4-Ethylidene-2-phenyloxazol-5(4H)-one CAS 37791-41-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 37791-41-6 |
| Molecular Formula | C11H9NO2 |
| Molecular Weight | 187.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Ethylidene-2-phenyloxazol-5(4H)-one (CAS 37791-41-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9NO2. Molecular weight: 187.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9NO2 |
| Molecular Weight | 187.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Benzylidene-2-methyl-2-oxazolin-5-one (CAS 881-90-3)
- 4-Fluoro-1-(methylsulfanyl)-2-nitrobenzene (CAS 78227-83-5)
- 4-Amino-2-naphthoic acid (CAS 5773-98-8)
- Corynoxine B (CAS 17391-18-3)
- n-[(1-aminocyclohexyl)methyl]-4-methylbenzene-1-sulfonamide hydrochloride (CAS 1423032-54-5)
- 2-aminononadecane 31604-55-4 TR-013407 (CAS 31604-55-4)
- 2-Propenenitrile, polymer with ethene and ethenylbenzene (CAS 25087-32-5)
- (S,R,S)-AHPC-CO-C4-alkyne (CAS 2374122-28-6)
- 1-(Isopropylsulfonyl)-1H-benzo[d]imidazol-2-amine (CAS 211512-92-4)
- Ac-(5-31)Semaglutide (CAS CATO-C4X-2226279)
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