1h-Pyrazole-4-carboxylic acid hydrate CAS 1209620-58-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1209620-58-5 |
| Molecular Formula | C4H4N2O2 H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1h-Pyrazole-4-carboxylic acid hydrate (CAS 1209620-58-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H4N2O2 H2O. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H4N2O2 H2O |
| Molecular Weight | 130.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related h Standards
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- 1H-Pyrazole-4-methanamine, N,3-dimethyl- (CAS 1007521-02-9)
- 1h-Pyrazole-4-carbothioamide (CAS 1017781-31-5)
- 1017782-45-4 1H-Pyrazole-4-carboxylic acid, 3-(1,1-dimethylethyl)-, methyl ester (CAS 1017782-45-4)
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- 1H-Pyrazole-4-carboxamide, 5-chloro-N,1-dimethyl- (CAS 1020713-28-3)
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Recommended Standards
- 5-(Bromomethyl)-2-(difluoromethoxy)pyridine (CAS 1375098-08-0)
- 1-(2-Methoxyethyl)-1H-indol-4-amine (CAS 1322604-93-2)
- Ethyl 4,5-dichloro-2-fluorophenylacetate (CAS 1805479-66-6)
- Benzyl 4-(2-chloro-5-nitrophenyl)-7-(3,4-dimethoxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate (CAS 503864-67-3)
- ((1R,4S,5R)-2-azabicyclo[2.1.1]Hexan-5-yl)methanol (CAS 773839-73-9)
- Arylex (CAS 943831-98-9)
- TAT 14 Peptide (Nrf2 Activator III) (CAS 1362661-34-4)
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