1-Methyl-4-nitro-1H-pyrazole-5-carboxamide CAS 92534-72-0
| CAS No. | 92534-72-0 |
| Molecular Formula | C5H6N4O3 |
| Molecular Weight | 170.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H6N4O3, 1-Methyl-4-nitro-1H-pyrazole-5-carboxamide contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 170.13 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.
CATO supplies 1-Methyl-4-nitro-1H-pyrazole-5-carboxamide (CAS 92534-72-0), a certified reference material (molecular formula C5H6N4O3, MW 170.13 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 1-Methyl-4-nitro-1H-pyrazole-5-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.) | 1983 |
| 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
- 1-Methyl-4-nitro-1H-pyrazole-3-carboxamide (CAS 3920-39-6)
- 2-((3-Oxo-2,3-dihydro-1,2,4-triazin-5-yl)amino)acetic acid (CAS 221663-54-3)
- 1-Methyl-4-nitro-1H-imidazole-5-carboxamide (CAS 5413-88-7)
- 2-(3,3,3-Trifluoropropyl)-1,3-dioxolane (CAS 773102-97-9)
- (4-Methylpiperidin-4-yl)pyrrolidin-1-ylmethanone (CAS 885523-47-7)
- Metaraminol Impurity 25 HCl (CAS 6209-47-8)
- 4-(Aminomethyl)pyridin-3-amine hydrochloride (CAS 1956369-29-1)
- 1,1,1-Trifluoro-4-(4-methylpiperazin-1-yl)but-3-en-2-one (CAS 716363-06-3)
- Fexofenadine Impurity 31 (CAS CATO-C4X-179431)
- 5-(2-(2-(4-Methoxyphenyl)propan-2-yl)pyridin-4-yl)-4-methylthiazol-2-amine (CAS 1395492-70-2)
- 5-Chloro-6H-anthra[1,9-cd]isoxazol-6-one (CAS 70730-92-6)
- Lifitegrast Impurity 158 (CAS CATO-C4X-2409158)
- (1-Methyl-piperidin-4-ylamino)-acetic acid (CAS 856437-58-6)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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