1-Isobutyl-3-methyl-5-nitro-1h-pyrazole CAS 1429418-84-7
| CAS No. | 1429418-84-7 |
| Molecular Formula | C8H13N3O2 |
| Molecular Weight | 183.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H13N3O2, 1-Isobutyl-3-methyl-5-nitro-1h-pyrazole 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 183.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
1-Isobutyl-3-methyl-5-nitro-1h-pyrazole (CAS 1429418-84-7) is a high-purity analytical reference standard with the molecular formula C8H13N3O2 and a molecular weight of 183.21 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), 1-Isobutyl-3-methyl-5-nitro-1h-pyrazole 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 | C8H13N3O2 |
| Molecular Weight | 183.21 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 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Isobutyl Standards
- 5-(2-Isobutyl)-4-amino-1H-pyrazole-3-carboxylic acid (CAS 1093415-88-3)
- 1-Isobutyl-5-methyl-1h-1,2,3-triazole-4-carboxylic acid (CAS 1267130-39-1)
- 1-Isobutyl-5-methyl-3-nitro-1H-pyrazole (CAS 1429418-19-8)
- 5-Isobutyl-3-methylisoxazole-4-carboxylic acid (CAS 90643-65-5)
- n-Isobutyl-3-isopropyl-1,2,4-oxadiazol-5-amine (CAS 1249792-53-7)
- N-[(5-Isobutyl-1,2,4-oxadiazol-3-yl)methyl]-ethanamine (CAS 915925-33-6)
- n-Isobutyl-3,3-dimethylcyclohexan-1-amine (CAS 1342687-11-9)
- n-Isobutyl-4,4-dimethylcyclohexan-1-amine (CAS 1343812-60-1)
Recommended Standards
- [4-(1H-pyrazol-1-yl)phenyl]acetonitrile (CAS 143426-55-5)
- 1-Benzylpyrazole-3-carbonitrile (CAS 1427475-28-2)
- 2-[4-(1H-imidazol-1-yl)phenyl]acetonitrile (CAS 143426-57-7)
- 7-(1H-Pyrrol-1-yl)-1H-indazole (CAS 1427460-36-3)
- 8-aminoquinolin-3-ol (CAS 25369-38-4)
- 1-Cyclopropoxy-2-fluoro-3-methoxybenzene (CAS 1243481-15-3)
- 1-(5-Bromopyridin-3-yl)-4-chlorobutan-1-one (CAS 1823829-33-9)
- (S)-Chromane-3-carboxylic acid (CAS 1260611-90-2)
- cis-3-Hydroxy-3-methylcyclobutyl)methyl methanesulfonate (CAS 2866315-65-1)
- 5-Bromo-2-(2-methoxy-4-methylphenoxy)pyrimidine (CAS 1017789-03-5)
- N-(3-Oxododecanoyl)-L-homoserine Lactone (CAS 168982-69-2)
- [(2-methylphenyl)methyl](pyridin-3-ylmethyl)amine (CAS 510723-58-7)
- 3-(Dimethylamino)-2-iodoacrylaldehyde (CAS 1228184-62-0)
- D-[Phe6]-Semaglutide (CAS CATO-C4X-2226213)
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