3,4-dinitro-1H-pyrazole CAS 38858-92-3
| CAS No. | 38858-92-3 |
| Molecular Formula | C3H6N4O4 |
| Molecular Weight | 162.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,4-dinitro-1H-pyrazole.
3,4-dinitro-1H-pyrazole (CAS 38858-92-3) is a high-purity analytical reference standard with the molecular formula C3H6N4O4 and a molecular weight of 162.10 g/mol.
Based on its molecular formula C3H6N4O4, 3,4-dinitro-1H-pyrazole contains an amino-acid-derived structure, an amide group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 162.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3,4-dinitro-1H-pyrazole 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 | C3H6N4O4 |
| Molecular Weight | 162.10 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1968 |
| Nitrogen Atoms | 4 |
Related dinitro Standards
- 4,5-Dinitro-1H-imidazole (CAS 19183-14-3)
- 1,3-Dinitro-1H-pyrazole (CAS 38858-81-0)
- 1,4-Dinitro-1H-pyrazole (CAS 35852-77-8)
- 2,4-Dinitro-1H-imidazole (CAS 5213-49-0)
- 3,6-Dinitro-pyridazine (CAS 439660-19-2)
- 4-Methyl-3,5-dinitro-1h-pyrazole (CAS 1246853-06-4)
- 1-Methyl-4,5-dinitro-1H-imidazole (CAS 19183-15-4)
- 1-Methyl-3,4-dinitro-1h-pyrazole (CAS 66296-67-1)
Recommended Standards
- 2-(Nitroimino)-4,5-imidazolidinediol (CAS 20076-62-4)
- Ethane-1,1,2-tricarboxylic acid (CAS 922-84-9)
- 1,2,5-oxadiazole-3,4-dicarboxylic acid (CAS 48113-77-5)
- Triethylarsine, 99% (CAS 617-75-4)
- 6-(3,5-dimethyl-1H-pyrazol-4-yl)piperidin-2-one (CAS 1367676-20-7)
- 2-(tert-Butoxycarbonyl)-3,3-dimethyloctahydro-1H-isoindole-1-carboxylic acid (CAS 1822479-59-3)
- 1-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylcyclohexane-1-carboxylic acid (CAS 1342631-07-5)
- 4-(3-chloropropyl)benzene-1-sulfonyl chloride (CAS 7296-67-5)
- 2-((4-(4-Chlorophenyl)-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(3,5-dimethylphenyl)acetamide (CAS 476484-38-5)
- 2-(5-Benzyl-6-thioxo-1,3,5-thiadiazinan-3-yl)acetic acid (CAS 1219-77-8)
- 2-Methyl-2-(pyridin-4-yl)propanenitrile (CAS 79757-31-6)
- 1-(2-Aminoethyl)-n,n-dimethylpiperidin-3-amine (CAS 1353963-42-4)
- 6-benzyl-1,6-diazaspiro[3.4]octane (CAS 1158749-78-0)
- Peptide 74 (H-8545.0500) (CAS 132116-39-3)
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 18665070610 / Nicole.chen@cato-chem.com