5-Methyl-4-nitro-1H-pyrazole-3-carboxamide CAS 5334-36-1
| CAS No. | 5334-36-1 |
| Molecular Formula | C5H6N4O3 |
| Molecular Weight | 170.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Methyl-4-nitro-1H-pyrazole-3-carboxamide is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-Methyl-4-nitro-1H-pyrazole-3-carboxamide (CAS 5334-36-1), molecular formula C5H6N4O3 and molecular weight 170.13 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Methyl-4-nitro-1H-pyrazole-3-carboxamide (C5H6N4O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 170.13 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Methyl-4-nitro-1H-pyrazole-3-carboxamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H6N4O3 |
| Molecular Weight | 170.13 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.) | 1958 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- 2-(3-Nitro-1h-pyrazol-1-yl)acetamide (CAS 1003011-27-5)
- 2-(4-Nitro-1h-imidazol-1-yl)acetamide (CAS 120399-00-0)
- 5-Methyl-4-nitro-2H-pyrazole-3-carboxylic Acid Amide (CAS 1228362-74-0)
- 1-methyl-5-nitro-1H-pyrazole-3-carboxamide (CAS 1245771-73-6)
- 1-methyl-3-nitro-1H-pyrazole-5-carboxamide (CAS 1245772-60-4)
- 4-Nitro-1-(2-oxopropyl)-1H-1,2,3-triazole (CAS 131394-16-6)
- 1-(3-Nitro-1H-1,2,4-triazol-1-yl)propan-2-one (CAS 60728-89-4)
- 1-(5-Nitro-1H-imidazol-4-yl)guanidine (CAS 443309-56-6)
Recommended Standards
- 5-Amino-3-(methylamino)pyrazine-2-carboxamide (CAS 704-46-1)
- 6,6,6-Trifluorohexanoic acid (CAS 764-64-7)
- 5-acetamido-1H-1,2,4-triazole-3-carboxylic acid (CAS 199291-95-7)
- 6-Amino-2-methyl-5-nitropyrimidin-4(1H)-one (CAS 3346-57-4)
- H-β-Ala-OMe·HCl (CAS 3196-73-4)
- tert-Butyl 2-methyl-4-(1-(pyridin-2-yl)ethyl)piperazine-1-carboxylate (CAS 1289386-27-1)
- 3-(5-(4-Bromophenyl)furan-2-yl)-N-(4-methoxyphenyl)propanamide (CAS 853330-79-7)
- 1,1,1-Trifluoro-4-methylhexan-2-one (CAS 1341589-34-1)
- Butyl Acetate (CAS 123-86-4)
- Potassium butyltrifluoroborate (CAS 444343-55-9)
- 1,1,1-Trifluoro-3-(2-(hydroxymethyl)piperidin-1-yl)propan-2-ol (CAS 477858-38-1)
- 5-Hydrazino-3-thien-2-yl-1,2,4-thiadiazole (CAS 306936-74-3)
- 5-Bromo-8-fluoro-1-methoxyisoquinoline (CAS 2092722-33-1)
- Fibrinopeptide B (human) (CAS 36204-23-6)
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