1H-Pyrazole-5-carbohydrazide CAS 26275-64-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 26275-64-9 |
| Molecular Formula | C4H6N4O |
| Molecular Weight | 126.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1H-Pyrazole-5-carbohydrazide (CAS 26275-64-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H6N4O. Molecular weight: 126.12 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H6N4O |
| Molecular Weight | 126.12 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 4 |
Related H Standards
- 1H-Pyrazole-4-carbohydrazide (CAS 87551-45-9)
- 1H-Pyrazole-4-methanamine, N,3-dimethyl- (CAS 1007521-02-9)
- 1h-Pyrazole-4-carbothioamide (CAS 1017781-31-5)
- 1H-Pyrazole-5-carbothioamide (CAS 1314902-85-6)
- 1H-Pyrazole-1-carbothioamide (CAS 1794-34-9)
- (1H-Pyrazole-3,5-diyl)dimethanol (CAS 142179-08-6)
- 1H-Pyrazole-3,4-dicarbaldehyde (CAS 33090-48-1)
- 1H-Pyrazole-4-carbonyl chloride (CAS 103286-53-9)
Recommended Standards
- 1-Methyl-1H-[1,2,3]triazole-4-carboxylic acid amide (CAS 39039-49-1)
- 1h-Imidazole-2-carbohydrazide (CAS 68251-67-2)
- 2-(1H-1,2,4-Triazol-1-yl)acetamide (CAS 63190-93-2)
- Probenecid Impurity 4 (CAS 1206-37-7)
- N-(4-Bromo-2,5-difluorophenyl)-3-methoxybenzamide (CAS 286366-73-2)
- 2-Propyl-1H-benzo[de]isoquinoline-1,3(2H)-dione (CAS 6914-61-0)
- 3,3,5-Trimethylcyclohexane-1-sulfonyl chloride (CAS 1250496-80-0)
- 1-(tert-Butyl) 2-ethyl 1H-pyrrole-1,2-dicarboxylate (CAS 89378-36-9)
- Letermovir Impurity 121 (CAS CATO-C4X-2915121)
- Anti-TF Antigen Peptide P30-1 trifluoroacetate salt (CAS 573664-50-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com