5-(4-Methylphenyl)-1,3-oxazole-4-carboxylic acid CAS 89205-04-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89205-04-9 |
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Methylphenyl)-1,3-oxazole-4-carboxylic acid (CAS 89205-04-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9NO3. Molecular weight: 203.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
Related Methylphenyl Standards
- 3-(4-Methylphenyl)-1,2-oxazole-5-carboxylic acid (CAS 134378-95-3)
- 5-(2-Methylphenyl)isoxazole-3-carboxylic acid (CAS 668970-80-7)
- 5-(3-Methylphenyl)-1,2-oxazole-3-carboxylic acid (CAS 887979-11-5)
- 5-(4-Methylphenyl)isoxazole-3-carboxylic acid (CAS 33282-21-2)
- 2-(3-methylphenyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1042655-56-0)
- 1-(2-methylphenyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1099631-80-7)
- 1-(4-Methylphenyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 113934-31-9)
- 1-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 944901-55-7)
Recommended Standards
- 5-(4-Methoxyphenyl)isoxazole-3-carbaldehyde (CAS 870703-95-0)
- 5-(m-Tolyl)isoxazole-4-carboxylic acid (CAS 887408-11-9)
- 5-(M-tolyl)oxazole-4-carboxylic acid (CAS 914220-25-0)
- 6,8-Dibromo-2-methylquinolin-4-amine (CAS 96938-27-1)
- 1-Amino-2-(5-fluoro-2-methoxyphenyl)propan-2-ol (CAS 1216219-85-0)
- 2-(7-methoxynaphthalen-1-yl)acetyl chloride 6836-23-3 (CAS 6836-23-3)
- 1-(6-Methoxypyridin-3-yl)piperazine (CAS 158399-76-9)
- 3-(Chloromethyl)-5-(thiophen-2-yl)-1,2,4-oxadiazole (CAS 306936-06-1)
- 3-(Isobutylamino)propan-1-ol (CAS 285124-45-0)
- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
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