5-Phenyl-1,3,4-oxadiazole-2-carboxylic acid CAS 99066-76-9
| 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
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-Phenyl-1,3,4-oxadiazole-2-carboxylic acid (CAS 99066-76-9) is a high-purity analytical reference standard with the molecular formula C9H6N2O3 and a molecular weight of 190.16 g/mol.
Structurally, 5-Phenyl-1,3,4-oxadiazole-2-carboxylic acid (C9H6N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 190.16 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 5-Phenyl-1,3,4-oxadiazole-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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
- 3-Phenyl-1,2,4-oxadiazole-5-carboxylic acid (CAS 400716-17-8)
- 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)
- 5-Propyl-1,3,4-oxadiazole-2-sulfonamide (CAS 98071-53-5)
- 3-Benzyl-1,2,4-oxadiazole-5-carbaldehyde (CAS 103499-30-5)
- 5-Benzyl-[1,3,4]oxadiazole-2-thiol (CAS 23288-90-6)
- 5-Phenyl-1,3,4-oxadiazole-2-thiol (CAS 3004-42-0)
- 23152-97-8 3-Phenyl-1,2,4-oxadiazole-5-thiol 7869AD C8H6N2OS (CAS 23152-97-8)
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)
- 5-Nitroquinoline 1-Oxide (CAS 7613-19-6)
- 6-(Cyclopentyloxy)-2-fluoro-3-nitropyridine (CAS 1881332-00-8)
- Boric Acid, Pinacol Ester (CAS 25240-59-9)
- 5-Chloro-2-methylbenzonitrile (CAS 50712-70-4)
- 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)
- 5-(4-Chloro-3-pyridyl)-5-oxovaleronitrile (CAS 890100-86-4)
- Ethyl 2-(2-methyl-1-oxo-6-(((trifluoromethyl)sulfonyl)oxy)-1,2,3,4-tetrahydronaphthalen-2-yl)acetate (CAS 1414797-86-6)
- C-Peptide 2 (rat) (CAS 41594-08-5)
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