3-Nitro-1H-pyrazole-4-carbonitrile CAS 39205-87-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 39205-87-3 |
| Molecular Formula | C4H2N4O2 |
| Molecular Weight | 138.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-Nitro-1H-pyrazole-4-carbonitrile (CAS 39205-87-3) pharmaceutical standards reference standard. Molecular formula: C4H2N4O2. Molecular weight: 138.08 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H2N4O2 |
| Molecular Weight | 138.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 4 |
Related Nitro Standards
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- 4-Nitro-1H-pyrazole-3-carbonitrile (CAS 61241-07-4)
- 5-nitro-2-phenoxybenzoic acid (CAS 54255-63-9)
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- 5-Nitro-1H-pyrrole-2-carbonitrile (CAS 67903-53-1)
- 4-Nitro-1-vinyl-1H-pyrazole (CAS 117451-93-1)
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Recommended Standards
- 3-Cyano-5-isoxazolecarboxylic acid (CAS 251912-76-2)
- 4-Cyano-1,2,5-oxadiazole-3-carboxamide (CAS 89797-64-8)
- 3,5-dioxo-2H-1,2,4-triazine-6-carbonitrile (CAS 88796-54-7)
- Cyclopropyl(4-fluoro-3-(trifluoromethyl)phenyl)methanone (CAS 59382-40-0)
- 1-(4-Methylnaphthalen-1-yl)ethan-1-one (CAS 28418-86-2)
- 2-(5-Methylthiazol-2-yl)ethan-1-amine (CAS 921145-11-1)
- 4,5-Dimethyl-2-phenyl-1,3,2-dioxaborolane (CAS 6638-68-2)
- Methoxy(propan-2-yl)amine (CAS 32118-22-2)
- Noroxyhydrastinine (CAS 21796-14-5)
- D-[His]1-Semaglutide (CAS CATO-C4X-222652)
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