1-(4-Methyl-2-phenyloxazol-5-yl)ethanone CAS 4620-51-3
| CAS No. | 4620-51-3 |
| Molecular Formula | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(4-Methyl-2-phenyloxazol-5-yl)ethanone.
1-(4-Methyl-2-phenyloxazol-5-yl)ethanone (CAS 4620-51-3), molecular formula C12H11NO2 and molecular weight 201.22 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 1-(4-Methyl-2-phenyloxazol-5-yl)ethanone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 201.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(4-Methyl-2-phenyloxazol-5-yl)ethanone under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H11NO2 |
| Molecular Weight | 201.22 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.) | 1958 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- N-(5-Phenyloxazol-2-yl)acetamide (CAS 6826-25-1)
- 2-(2-Methyl-4-phenyloxazol-5-yl)ethan-1-amine (CAS 1268142-92-2)
- 2-(5-Methyl-2-phenyloxazol-4-yl)ethanamine (CAS 521266-47-7)
- 2-(2-Methyl-4-phenyloxazol-5-yl)ethanol (CAS 89149-95-1)
- 3-(4-Phenyloxazol-5-yl)propanenitrile (CAS 89150-03-8)
- 2-Methyl-2-(2-phenyloxazol-4-yl)propanenitrile (CAS 1314892-96-0)
- 3-(2-Methyl-4-phenyloxazol-5-yl)propanenitrile (CAS 89149-98-4)
- (5-Methyl-2-phenyloxazol-4-yl)methanol (CAS 70502-03-3)
Recommended Standards
- 1-(4-Methoxyphenyl)-1h-pyrrole-3-carbaldehyde (CAS 88075-92-7)
- 1-(4-Methylbenzyl)-1H-1,2,3-triazole-4-carbaldehyde (CAS 952183-31-2)
- 1-(4-Methoxyphenyl)-1H-pyrrole-2-carbaldehyde (CAS 30186-36-8)
- 1-(4-Methylbenzyl)-1H-pyrrole-2,5-dione (CAS 42867-34-5)
- (E)-4-(3-(3-chlorophenyl)acryloyl)phenyl 2,5-dichlorobenzenesulfonate (CAS 298216-09-8)
- Saikosaponin F (CAS 62687-63-2)
- Rel-(1r,4r)-1-ethyl-4-vinylcyclohexane (CAS 1314938-21-0)
- p-Nitrophenylhydrazine sulfate (CAS 58332-97-1)
- (2-Methyl-6-(trifluoromethyl)pyridin-4-yl)boronic acid (CAS 2225154-42-5)
- 3-Methylpiperidine-2,6-dione (CAS 29553-51-3)
- 3-(3-Fluorophenyl)-1-methyl-1H-pyrazole (CAS 1956381-83-1)
- (R)-4-fluoro-3-(pyrrolidin-2-yl)benzoic acid (CAS 1213673-11-0)
- 4,9-Bis((3,3-dimethyloxiran-2-yl)methoxy)-7H-furo[3,2-g]chromen-7-one (CAS 77063-74-2)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
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 18665070610 / Nicole.chen@cato-chem.com