1,3-Dinitro-1H-pyrazole CAS 38858-81-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 38858-81-0 |
| Molecular Formula | C3H2N4O4 |
| Molecular Weight | 158.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Dinitro-1H-pyrazole (CAS 38858-81-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3H2N4O4. Molecular weight: 158.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3H2N4O4 |
| Molecular Weight | 158.07 g/mol |
| Appearance | Off-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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 4 |
Related Dinitro Standards
- 4,5-Dinitro-1H-imidazole (CAS 19183-14-3)
- 1,4-Dinitro-1H-pyrazole (CAS 35852-77-8)
- 2,4-Dinitro-1H-imidazole (CAS 5213-49-0)
- 3,4-dinitro-1H-pyrazole (CAS 38858-92-3)
- 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
- 1,2,4-Oxadiazole-3,5-dicarboxylic acid (CAS 371214-75-4)
- 5-Nitro-1H-1,2,3-triazole-4-carboxylicacid (CAS 145769-54-6)
- 3,5-Dinitropyrazole (CAS 38858-89-8)
- Ethyl 4-acetamido-3-iodobenzoate (CAS 494799-27-8)
- Ethyl 6,8-dibromo-5-methylimidazo[1,2-a]pyridine-2-carboxylate (CAS 859787-43-2)
- Tris[3,5-bis(trifluoromethyl)phenyl]phosphine (CAS 175136-62-6)
- 7,8-Dihydroquinoline (CAS 37624-11-6)
- 1-(7,8-Dinitro-1,2,4,5-tetrahydro-3H-benzo[d]azepin-3-yl)-2,2,2-trifluoroethan-1-one (CAS 1241840-71-0)
- 8-Chloroquinoline-2,4-dicarboxylic acid (CAS 330646-88-3)
- (Des-Gly2)-Exenatide trifluoroacetate salt (CAS 1678416-78-8)
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