4-iodo-1-methyl-5-phenyl-1H-pyrazole CAS 1356997-80-2
| CAS No. | 1356997-80-2 |
| Molecular Formula | C10H9IN2 |
| Molecular Weight | 284.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-iodo-1-methyl-5-phenyl-1H-pyrazole (C10H9IN2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 284.10 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-iodo-1-methyl-5-phenyl-1H-pyrazole (CAS 1356997-80-2) is a high-purity analytical reference standard with the molecular formula C10H9IN2 and a molecular weight of 284.10 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H9IN2 |
| Molecular Weight | 284.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related iodo Standards
- 1-Benzyl-3-iodo-1h-pyrazole (CAS 1026893-32-2)
- 6-Iodo-3-methylquinolin-4-amine (CAS 1146298-65-8)
- 4-Iodo-3-(p-tolyl)-1H-pyrazole (CAS 1339142-05-0)
- 4-Iodo-3-(o-tolyl)-1H-pyrazole (CAS 1340568-19-5)
- 4-Iodo-3-(m-tolyl)-1H-pyrazole (CAS 1341316-97-9)
- 4-Iodo-1-methyl-3-phenyl-1H-pyrazole (CAS 1795503-22-8)
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- 1-Benzyl-5-iodo-1H-imidazole (CAS 941286-76-6)
Recommended Standards
- 5-Cyclopropyl-3-iodo-1H-indazole (CAS 1360946-18-4)
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