3-Methyl-4-nitro-1-propyl-1H-pyrazole-5-carboxamide CAS 89239-75-8
| CAS No. | 89239-75-8 |
| Molecular Formula | C8H12N4O3 |
| Molecular Weight | 212.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methyl-4-nitro-1-propyl-1H-pyrazole-5-carboxamide (C8H12N4O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-Methyl-4-nitro-1-propyl-1H-pyrazole-5-carboxamide (CAS 89239-75-8) is a high-purity analytical reference standard with the molecular formula C8H12N4O3 and a molecular weight of 212.21 g/mol.
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), 3-Methyl-4-nitro-1-propyl-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 | C8H12N4O3 |
| Molecular Weight | 212.21 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 |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- 1-Butyl-3-nitro-1H-pyrazole-4-carboxamide (CAS 61717-02-0)
- 4-(5-Methyl-4-nitro-1H-pyrazol-3-yl)morpholine (CAS 53960-83-1)
- 2-Nitro-9H-carbazole (CAS 14191-22-1)
- 1-Nitro-9H-carbazole (CAS 31438-22-9)
- 4-Nitro-9H-carbazole (CAS 57905-76-7)
- 2-methyl-3-nitro-5-(trifluoromethyl)pyridine (CAS 1211537-69-7)
- Ethyl 5-nitro-4-oxo-1,4-dihydropyridine-3-carboxylate (CAS 1214367-07-3)
- 5-Nitro-4-propionyl-1h-pyrrole-2-carboxylic acid (CAS 1421601-40-2)
Recommended Standards
- 3-(3,5-Dimethyl-4-nitro-1h-pyrazol-1-yl)propanamide (CAS 955901-47-0)
- 3-Phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6(5H)-one (CAS 20552-62-9)
- 2-Phenyloxazolo[5,4-d]pyrimidin-7-amine (CAS 25680-42-6)
- 3-Phenyl-[1,2,4]triazolo[5,1-c][1,2,4]triazin-4-amine (CAS 521300-68-5)
- 3-(3-Chloro-4-fluorophenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 1283108-59-7)
- 5-Chloro-4-(((3-chlorophenyl)thio)methyl)-1-methyl-3-phenyl-1H-pyrazole (CAS 318234-08-1)
- 7,8,9,10-Tetrahydro-6H-[1,2,5]oxadiazolo[3,4-c]carbazol-6-ol (CAS 164356-02-9)
- [2-(2-hydroxyethoxy)ethyl]urea (CAS 23194-10-7)
- N-(4-Amino-2-methylphenyl)-2-(2-isopropylphenoxy)-acetamide (CAS 953720-60-0)
- 3-(Bromomethyl)-4-methyl-1,2-oxazole (CAS 952195-21-0)
- N-(5-Amino-2-fluorophenyl)-2-(2,4-dichlorophenoxy)acetamide (CAS 1020056-37-4)
- 1-(3-Chlorophenyl)cyclopentanecarboxylic Acid (CAS 143328-21-6)
- (<I>S</I>)-RuCl[(<I>p</I>-cymene(BINAP)Cl (CAS 130004-33-0)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
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