1-(Difluoromethyl)-1H-pyrazole-3-carbonitrile CAS 1379276-84-2
| CAS No. | 1379276-84-2 |
| Molecular Formula | C5H3F2N3 |
| Molecular Weight | 143.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(Difluoromethyl)-1H-pyrazole-3-carbonitrile (CAS 1379276-84-2), a certified reference material (molecular formula C5H3F2N3, MW 143.09 g/mol) for analytical method development and quality control.
Structurally, 1-(Difluoromethyl)-1H-pyrazole-3-carbonitrile (C5H3F2N3) contains a nitrile group, fluorine substitution. 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 143.09 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-(Difluoromethyl)-1H-pyrazole-3-carbonitrile 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 | C5H3F2N3 |
| Molecular Weight | 143.09 g/mol |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Difluoromethyl Standards
- 1-(Difluoromethyl)-1H-pyrazole-4-carbonitrile (CAS 1229623-41-9)
- 1-(Difluoromethyl)-1h-pyrazole-5-carbonitrile (CAS 1229624-96-7)
- 3-(Difluoromethyl)-1H-pyrazole-4-carbonitrile (CAS 1625636-71-6)
- 2-(Difluoromethyl)furan-3-carbonitrile (CAS 1706455-16-4)
- 1-(difluoromethyl)-5-ethynyl-triazole (CAS 2845318-71-8)
- 2-(Difluoromethyl)-6-methylpyridine (CAS 1029691-30-2)
- 3-(Difluoromethyl)-5-methylpyridine (CAS 1374659-24-1)
- 5-(Difluoromethyl)-2-methylpyridine (CAS 1374659-25-2)
Recommended Standards
- Cuprous oxide (CAS 1317-39-1)
- 2,6-Difluoropyridine-3-carboxaldehyde (CAS 155601-65-3)
- 4,5-Difluoropicolinaldehyde (CAS 1239351-98-4)
- Chloro(chloromethyl)dimethylsilane (CAS 1719-57-9)
- (3-Fluoro-2-methylphenyl)methanamine (CAS 771573-36-5)
- (R)-4-(3,4-dichlorophenyl)butan-2-amine hydrochloride (CAS 1425093-27-1)
- 5-Methyl-3-phenyl-2,3-dihydrobenzofuran (CAS 111864-81-4)
- Cefdinir Impurity 90 (CAS CATO-C4X-121090)
- (((1-(Bromomethyl)cyclohexyl)methoxy)methyl)benzene (CAS 1466318-15-9)
- Miconazole Impurity 30 (CAS CATO-C4X-180230)
- 3-(4-Methoxyphenyl)-1-(4-{[3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl]methyl}piperidin-1-yl)propan-1-one (CAS 1775377-00-8)
- PF 184 (CAS 1187460-81-6)
- 1-(2-Bromoethyl)-7-methylindoline-2,3-dione (CAS 620932-06-1)
- Tau Peptide (401-411)-Lys-Lys trifluoroacetate salt (CAS 2022956-59-6)
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