1-[3-(4-Methoxyphenyl)-2,1-benzoxazol-5-yl]ethan-1-one CAS 439094-07-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 439094-07-2 |
| Molecular Formula | C16H13NO3 |
| Molecular Weight | 267.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-[3-(4-Methoxyphenyl)-2,1-benzoxazol-5-yl]ethan-1-one (CAS 439094-07-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H13NO3. Molecular weight: 267.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H13NO3 |
| Molecular Weight | 267.28 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 1-[(2-Hydroxyethyl)amino]-9,10-dihydroanthracene-9,10-dione (CAS 4465-58-1)
- 10-(Furan-2-ylmethyl)-2,3-dihydroimidazo[2,1-b]quinazolin-5(10H)-one (CAS 55536-49-7)
- 1,3-Dimethyl-6-phenyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 924014-94-8)
- 3-Bromo-4-iodo-5-methylpyridine (CAS 1805150-54-2)
- Isobutyl 3-(5-iodo-1H-indazol-1-yl)benzoate (CAS 1196452-46-6)
- Ruilugoli lmpurity 133 (CAS CATO-C4X-2429133)
- 3-[(3,4,5-trimethoxyphenyl)methylidene]-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid (CAS 380574-32-3)
- (5-Bromo-2-fluoro-3-methylphenyl)(4-methylpiperazin-1-yl)methanone (CAS 2635937-17-4)
- 3-(4-Methylphenyl)-1,4-diazaspiro[4.6]undec-3-en-2-one (CAS 899912-98-2)
- Des-[Gly]31-Semaglutide (CAS CATO-C4X-2226156)
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