3-Methyl-5-nitro-1H-pyrazole CAS 34334-96-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 34334-96-8 |
| Molecular Formula | C4H5N3O2 |
| Molecular Weight | 127.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methyl-5-nitro-1H-pyrazole (CAS 34334-96-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5N3O2. Molecular weight: 127.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5N3O2 |
| Molecular Weight | 127.10 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 5-Methyl-3-nitro-1H-pyrazole (CAS 1048925-02-5)
- 1-Methyl-2-nitro-1H-imidazole (CAS 1671-82-5)
- 1-methyl-3-nitro-pyrazole (CAS 54210-32-1)
- 1-Methyl-4-nitro-1H-pyrazole (CAS 3994-50-1)
- 1-Methyl-4-nitro-1H-pyrazole, radical ion(1-) (CAS 82208-47-7)
- 1-Methyl-5-nitro-1h-pyrazole (CAS 54210-33-2)
- 4-methyl-1-nitro-1H-pyrazole (CAS 38858-82-1)
- 5-Methyl-2-nitro-1H-imidazole (CAS 5213-35-4)
Recommended Standards
- 3-Methyl-4-nitropyrazole (CAS 5334-39-4)
- 3-Methylisoxazole-5-carboxylic Acid (CAS 4857-42-5)
- 3-Methyl-2-nitrofuran (CAS 38829-39-9)
- 5-Chloro-4-methylnicotinic acid (CAS 890092-41-8)
- Ethyl 2-[2-(2-phenylacetyl)hydrazino]nicotinate (CAS 1353504-68-3)
- Ethyl 6,7-difluoro-4-hydroxyquinoline-3-carboxylate (CAS 111760-35-1)
- Methyl 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)acetate (CAS 1173045-46-9)
- Ethyl 1-(2,2-difluoroethyl)-3-nitro-1H-pyrazole-5-carboxylate (CAS 1384856-19-2)
- 1000575-95-0 2-[2-(4-Bromophenyl)hydrazono]-2-chloro-N,N-dimethylacetamide MFCD09877866 (CAS 1000575-95-0)
- D-Ile12-Tirzepatide (CAS CATO-CPTD788921)
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