5-Amino-1H-pyrazole-4-carboxylic amide sulfate CAS 329351-43-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 329351-43-1 |
| Molecular Formula | C4H6N4O H2O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Amino-1H-pyrazole-4-carboxylic amide sulfate (CAS 329351-43-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H6N4O H2O4S. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H6N4O H2O4S |
| Molecular Weight | 224.19 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.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(4-(Methylthio)benzyl)piperidin-3-amine (CAS 1247357-88-5)
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- (5-Isopropoxypyridin-3-yl)methanol (CAS 1546841-49-9)
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- a-(Fmoc-amino)tetrahydro-2H-pyran-4-acetic acid (CAS 553643-51-9)
- 3-(6-amino-1,7-naphthyridin-8-yl)benzonitrile (CAS 207279-14-9)
- Tirzepatide Impurity 35 (CAS CATO-C4X-324035)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com