5-Phenyl-1,3,4-oxadiazole-2-carboxylic acid CAS 99066-76-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99066-76-9 |
| Molecular Formula | C9H6N2O3 |
| Molecular Weight | 190.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Phenyl-1,3,4-oxadiazole-2-carboxylic acid (CAS 99066-76-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H6N2O3. Molecular weight: 190.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H6N2O3 |
| Molecular Weight | 190.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1985 |
| Nitrogen Atoms | 2 |
Related Phenyl Standards
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- 5-Phenyl-1,2,4-oxadiazole-3-carboxylic acid (CAS 37937-62-5)
- 5-Phenyl-1,3,4-oxadiazole-2-carboxamide (CAS 68496-74-2)
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- 3-Benzyl-1,2,4-oxadiazole-5-carbaldehyde (CAS 103499-30-5)
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Recommended Standards
- 6-(1h-1,2,4-Triazol-1-yl)pyridine-3-carboxylic acid (CAS 281232-20-0)
- 5-Nitroquinoxalin-6-amine (CAS 62088-30-6)
- 6-(1H-Imidazol-1-yl)pyridazine-3-carboxylic acid (CAS 610278-97-2)
- 6-(Cyclopentyloxy)-2-fluoro-3-nitropyridine (CAS 1881332-00-8)
- Boric Acid, Pinacol Ester (CAS 25240-59-9)
- 4-(2-Chlorophenyl)-2,3-dihydro-1,3-thiazol-2-one (CAS 43045-08-5)
- 2-Phenylpyridin-4-ol (CAS 3262-40-6)
- 2-(3-Chlorophenyl)-6-nitro-1-{[3-(trifluoromethyl)phenyl]methoxy}-1H-1,3-benzodiazole (CAS 303149-40-8)
- Fasudil Impurity 8 (CAS 1423155-03-6)
- C-Peptide 2 (rat) (CAS 41594-08-5)
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