1,3-Diphenyl-1H-pyrazole-4-carboxylic acid hydrazide CAS 372490-43-2
| CAS No. | 372490-43-2 |
| Molecular Formula | C16H14N4O |
| Molecular Weight | 278.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Diphenyl-1H-pyrazole-4-carboxylic acid hydrazide (CAS 372490-43-2) is a high-purity analytical reference standard with the molecular formula C16H14N4O and a molecular weight of 278.31 g/mol.
1,3-Diphenyl-1H-pyrazole-4-carboxylic acid hydrazide (C16H14N4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1,3-Diphenyl-1H-pyrazole-4-carboxylic acid hydrazide 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 | C16H14N4O |
| Molecular Weight | 278.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Diphenyl Standards
- 4-Methyl-1,5-diphenyl-1H-pyrazole-3-carboxylic acid (CAS 112009-32-2)
- 5-Methyl-1,3-diphenyl-1H-pyrazole-4-carboxylic acid (CAS 15409-48-0)
- (1,3-Diphenyl-1H-pyrazol-4-yl)-acetic acid (CAS 40278-34-0)
- 1,3-Diphenyl-1H-pyrazole-5-carbohydrazide (CAS 882218-64-6)
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- 2-(3,5-Diphenyl-1H-pyrazol-1-yl)acetic acid (CAS 93323-67-2)
- 2-(4,5-Diphenyl-1H-imidazol-1-yl)acetic acid (CAS 756419-08-6)
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Recommended Standards
- 1,3,7-Trimethyl-8-(piperazin-1-yl)-3,7-dihydro-1h-purine-2,6-dione (CAS 50693-74-8)
- 1,2-Bis(1H-benzo[d]imidazol-2-yl)ethan-1-ol (CAS 47165-29-7)
- 10-(3-Aminophenyl)-2,3-dihydroimidazo[2,1-b]quinazolin-5(10H)-one (CAS 88959-10-8)
- 1-(4-Methylphenyl)-3-phenyl-1h-pyrazole-4-carboxylic acid (CAS 956984-60-4)
- 3-(3-Bromophenyl)-5-hydroxyisoxazole (CAS 1188158-52-2)
- Vadadustat 13C6 (CAS 1000025-07-9)
- 3-(3-Methylbenzyl)pyrrolidine (CAS 887594-96-9)
- 1-Nitro-4-(pentan-3-yloxy)benzene (CAS 63929-89-5)
- 3-Chloro-4-(5,5-dimethyl-1,3-dioxan-2-yl)butyrophenone (CAS 898785-88-1)
- 4-Benzyl-2-ethoxytetrahydrofuran (CAS 141406-19-1)
- 2-[(1,3-thiazol-4-ylmethyl)sulfanyl]benzoic acid (CAS 930395-77-0)
- N-(5-Cyclopropoxy-2-formylpyridin-4-yl)methanesulfonamide (CAS 1243415-19-1)
- Dehydroevodiamine (CAS 67909-49-3)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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