(Z)-4-(Naphthalen-1-ylmethylene)-2-phenyloxazol-5(4H)-one CAS 57427-83-5
| CAS No. | 57427-83-5 |
| Molecular Formula | C20H13NO2 |
| Molecular Weight | 299.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies (Z)-4-(Naphthalen-1-ylmethylene)-2-phenyloxazol-5(4H)-one (CAS 57427-83-5), a certified reference material (molecular formula C20H13NO2, MW 299.32 g/mol) for analytical method development and quality control.
Structurally, (Z)-4-(Naphthalen-1-ylmethylene)-2-phenyloxazol-5(4H)-one (C20H13NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 299.32 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H13NO2 |
| Molecular Weight | 299.32 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 1 |
Related Z Standards
- 2-(Naphthalen-2-yl)quinoline-4-carboxylic acid (CAS 13605-87-3)
- 2-(Naphthalen-1-yl)quinoline-4-carboxylic acid (CAS 6265-23-2)
- 4-(Naphthalen-2-ylmethylene)-2-phenyloxazol-5(4H)-one (CAS 66404-27-1)
- 4-(Naphthalen-2-ylamino)benzenesulfonic acid (CAS 859961-96-9)
- 2-((5-Methyl-4-(naphthalen-1-yl)-4H-1,2,4-triazol-3-yl)thio)acetic acid (CAS 886498-52-8)
- 1-[2-(naphthalen-2-ylsulfanyl)acetyl]piperidin-4-one (CAS 1152625-67-6)
- 4-(Naphthalen-1-yloxy)butane-1-sulfonyl chloride (CAS 1375067-01-8)
- 4-(Naphthalen-2-yloxy)butane-1-sulfonyl chloride (CAS 1375068-51-1)
Recommended Standards
- (S,E)-Methyl 2-(3-(furan-2-yl)acrylamido)-3-phenylpropanoate (CAS 36020-63-0)
- 1-(1-Hydroxynaphth-2-yl)-3-(morpholin-4-yl)propan-1,3-dione (CAS 503469-16-7)
- (S)-4-(1-(((benzyloxy)carbonyl)amino)ethyl)benzoic acid (CAS 847729-00-4)
- 1-(2-(1H-indol-3-yl)-2-oxoacetyl)piperidine-4-carboxamide (CAS 497083-27-9)
- 2,3-Dihydropyrrolo[2,3-c]pyridine (CAS 760919-39-9)
- (S)-4-Methyloxetan-2-one (CAS 65058-82-4)
- DI-tert-butyl 2,2'-(1,4-dioxo-3,6-diphenylpyrrolo[3,4-c]pyrrole-2,5(1h,4h)-diyl)diacetate (CAS 1669409-49-7)
- 5-(2,5-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 1038549-20-0)
- 5-Fluoro-N-hydroxypyridine-3-carboxamide (CAS 1582-86-1)
- (3R)-3-amino-3-phenylpropanenitrile, trifluoroacetic acid (CAS 1807920-96-2)
- Polygalic acid (CAS 1260-04-4)
- 6-Methoxy-2,3,4,9-tetrahydro-1h-carbazol-1-amine (CAS 812649-09-5)
- 6-(m-Tolylsulfonyl)pyridazin-3-ol (CAS 1030123-68-2)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
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