3-(4-Methylphenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid CAS 569672-90-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 569672-90-8 |
| Molecular Formula | C11H11NO3 |
| Molecular Weight | 205.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Methylphenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 569672-90-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H11NO3. Molecular weight: 205.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H11NO3 |
| Molecular Weight | 205.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
Related Methylphenyl Standards
- 5-(4-methylphenyl)-4,5-dihydroisoxazole-3-carboxylic acid (CAS 1018170-48-3)
- 3-(3-Methylphenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 1038376-42-9)
- 4-Methyl-5-(4-methylphenyl)-4h-1,2,4-triazol-3-yl hydrosulfide (CAS 138417-37-5)
- 5-Methyl-4-(4-methylphenyl)-4H-1,2,4-triazol-3-yl hydrosulfide (CAS 149747-23-9)
- 4-Methyl-5-(2-methylphenyl)-4H-1,2,4-triazole-3-thiol (CAS 174574-08-4)
- 1-Methyl-4-(4-methylphenyl)-4,5-dihydro-1H-1,2,4-triazole-5-thione (CAS 478247-44-8)
- 2-(4-Methylphenyl)-4-thiazolemethanol (CAS 36093-97-7)
- 3-{[(4-methylphenyl)methyl]sulfanyl}-1h-1,2,4-triazole (CAS 302804-66-6)
Recommended Standards
- 3-(4-Hydroxyphenyl)piperidine-2,6-dione (CAS 2758531-21-2)
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- 3-(4-Hydroxyphenyl)-1-methylpyrrolidine-2,5-dione (CAS 63626-80-2)
- 4-chloro-2-(pyrrolidin-1-yl)-1,3-thiazole-5-carboxylic acid (CAS 1211296-57-9)
- 3-(1-Methylpiperidin-3-yl)propanoic acid hydrochloride (CAS 1301739-53-6)
- 2,4-Dichloro-5,6,7,8-tetrahydropteridine (CAS 98142-36-0)
- 2-(4'-Methoxy-2'-methyl-[1,1'-biphenyl]-4-yl)ethanol (CAS 1443340-96-2)
- 1-[(4-Chlorophenyl)methyl]-3-[(3,4-dimethoxyphenyl)methyl]imidazolidine-2,4,5-trione (CAS 478262-68-9)
- Fluorouracil Impurity 15 (CAS 4433-22-1)
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