1-(Difluoromethyl)-1h-pyrazole-5-carbonitrile CAS 1229624-96-7
| CAS No. | 1229624-96-7 |
| Molecular Formula | C5H3F2N3 |
| Molecular Weight | 143.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(Difluoromethyl)-1h-pyrazole-5-carbonitrile (CAS 1229624-96-7) is a high-purity analytical reference standard with the molecular formula C5H3F2N3 and a molecular weight of 143.09 g/mol.
Structurally, 1-(Difluoromethyl)-1h-pyrazole-5-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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Difluoromethyl Standards
- 1-(Difluoromethyl)-1H-pyrazole-4-carbonitrile (CAS 1229623-41-9)
- 1-(Difluoromethyl)-1H-pyrazole-3-carbonitrile (CAS 1379276-84-2)
- 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
- 4,5-Difluoropicolinaldehyde (CAS 1239351-98-4)
- 2,5-Difluoronicotinaldehyde (CAS 1227602-25-6)
- Cuprous oxide (CAS 1317-39-1)
- 2,5-Difluoropyridine-4-carbaldehyde (CAS 1227602-08-5)
- 1-Bromo-N,N,N inverted exclamation marka,N inverted exclamation marka-tetramethylboranediamine 6990-27-8 Bromobis(dimethylamino)borane (CAS 6990-27-8)
- 5-(4-Chlorophenoxy)-1-methyl-3-phenyl-1H-pyrazole-4-carbaldehyde (CAS 109925-44-2)
- 6-Methyl-1-benzofuran-3-carboxylic acid (CAS 1555624-85-5)
- 2-(Cyclopent-1-en-1-yl)pyridine (CAS 56698-38-5)
- 5-Chloro-2,2-dimethylpentanal (CAS 52387-40-3)
- Ethyl 3-(4-(benzyloxy)-3,5-dimethoxyphenyl)-3-hydroxy-2-(2-methoxyphenoxy)propanoate (CAS 151541-15-0)
- Hexyl2-mercaptoacetate (CAS 20292-01-7)
- (S)-2-Amino-N-ethyl-N-(4-(methylthio)benzyl)propanamide (CAS 1353994-82-7)
- tert-butyl 1-[(2S)-2-fluoro-3-iodo-propyl]triazole-4-carboxylate (CAS 1853166-02-5)
- Acetyl Tripeptide-1 (CAS 350595-76-5)
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