4-(3-(5-Methyl-2-phenyloxazol-4-yl)propanoyl)benzaldehyde CAS 125531-53-5
| CAS No. | 125531-53-5 |
| Molecular Formula | C20H17NO3 |
| Molecular Weight | 319.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(3-(5-Methyl-2-phenyloxazol-4-yl)propanoyl)benzaldehyde (C20H17NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 319.35 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-(3-(5-Methyl-2-phenyloxazol-4-yl)propanoyl)benzaldehyde (CAS 125531-53-5), molecular formula C20H17NO3 and molecular weight 319.35 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C20H17NO3 |
| Molecular Weight | 319.35 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 2-(5-Phenyloxazol-2-yl)butyl benzoate (CAS 56894-68-9)
- 4-(2-Methyl-4-phenyloxazol-5-yl)benzenesulfonamide (CAS 93014-16-5)
- (6-(2-(5-Methyl-2-phenyloxazol-4-yl)ethoxy)pyridin-3-yl)methanol (CAS 331746-72-6)
- 6-(2-(5-Methyl-2-phenyloxazol-4-yl)ethoxy)nicotinaldehyde (CAS 157169-61-4)
- 4-[2-(5-Methyl-2-phenyloxazol-4-yl)ethoxy]benzaldehyde (CAS 103788-59-6)
- 2-((5-Oxo-2-phenyloxazol-4(5H)-ylidene)methyl)phenyl acetate (CAS 52900-70-6)
- 3-(2-Phenyloxazol-4-yl)benzo[d]isoxazole-5-carboxylic acid (CAS 1422062-93-8)
- 2-Methyl-4-(5-phenyloxazol-2-yl)quinolin-3-ol (CAS 112008-63-6)
Recommended Standards
- 1-Benzyl 2-(tert-butyl) (R)-5-oxopyrrolidine-1,2-dicarboxylate (CAS 125134-29-4)
- Methyl 3-(6,7-diethoxy-4-oxoquinolin-1(4H)-yl)propanoate (CAS 1279212-67-7)
- 2-(Phenylmethyl) 8-oxa-2-azaspiro[4.5]decane-2,4-dicarboxylate (CAS 1251009-64-9)
- 4-(3-Methoxybenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326810-36-9)
- 2-Iodo-5-methoxybenzo[d]thiazole (CAS 1175278-06-4)
- 6-Bromo-1-[(1S)-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2-methylpropyl]-7-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester (CAS 934161-52-1)
- (S)-4-(3-Bromo-2-nitrophenyl)-1-(tert-butoxy-carbonyl)piperazine-2-carboxylic acid 1787071-90-2 (CAS 1787071-90-2)
- 4H-pyrano[3,2-b]pyridin-4-one (CAS 2060008-39-9)
- 4-Isopropyl-5-phenylisoxazole-3-carboxylic acid (CAS 1352504-60-9)
- 1-[(4-Isothiocyanatophenyl)sulfonyl]azepane (CAS 956576-60-6)
- 2-(2-Fluorobenzenesulfonyl)ethan-1-amine hydrochloride (CAS 1306605-34-4)
- 3-Methyl-1H-pyrazol-4-amine hydrochloride (CAS 1228070-91-4)
- 1-(2-Methoxy-5-methylphenyl)-2-methylpropan-2-ol (CAS 42831-92-5)
- Semaglutide (CAS 910463-68-2（free base）)
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