1-(Difluoromethyl)-3-methyl-1h-pyrazole CAS 956628-23-2
| CAS No. | 956628-23-2 |
| Molecular Formula | C5H6F2N2 |
| Molecular Weight | 132.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 132.11 g/mol gives 1-(Difluoromethyl)-3-methyl-1h-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(Difluoromethyl)-3-methyl-1h-pyrazole (CAS 956628-23-2) is a high-purity analytical reference standard with the molecular formula C5H6F2N2 and a molecular weight of 132.11 g/mol.
Based on its molecular formula C5H6F2N2, 1-(Difluoromethyl)-3-methyl-1h-pyrazole contains a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 132.11 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(Difluoromethyl)-3-methyl-1h-pyrazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H6F2N2 |
| Molecular Weight | 132.11 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluoromethyl Standards
- 1-(difluoromethyl)-5-methyl-1h-pyraZole (CAS 1004096-15-4)
- 5-(Difluoromethyl)-1-methyl-1H-pyrazole (CAS 1089212-36-1)
- 3-(Difluoromethyl)-1-methyl-1H-pyrazole (CAS 1089212-37-2)
- 3-(Difluoromethyl)-4-methyl-1h-pyrazole (CAS 1245772-27-3)
- 5-(difluoromethyl)-2-methyl-1H-imidazole (CAS 1684423-89-9)
- 4-(Difluoromethyl)-1-methyl-1H-pyrazole (CAS 1785350-57-3)
- 4-(Difluoromethyl)-1-methyl-1H-imidazole (CAS 196304-05-9)
- 5-(Difluoromethyl)-1-methyl-1H-imidazole (CAS 196304-06-0)
Recommended Standards
- (S)-4,5-Dihydroxypentane-2,3-dione (CAS 710324-30-4)
- 1,1-Difluorospiro[2.3]Hexan-5-one (CAS 2306275-03-4)
- (S)-4,4-difluoropyrrolidine-2-carbonitrile (CAS 483366-15-0)
- 1,2-Propanediol diformate (CAS 53818-14-7)
- 6-Chloro-7-(2-(chloromethyl)benzyl)-7H-purine (CAS 924904-09-6)
- Methyl (2Z)-2-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-indol-3-yl}-3-(dimethylamino)prop-2-enoate (CAS 339099-30-8)
- 7-Bromo-6,8-dimethylpyrido[2,3-b]pyrazine (CAS 116056-18-9)
- (6-Chloro-3-nitropyridin-2-yl)glycine (CAS 116640-05-2)
- 4-(4-Chlorophenylsulfonyl)-5,8-difluoro-2H-chromene (CAS 944950-71-4)
- 4-(1,2,3,4-Tetrahydroisoquinolin-2-yl)benzoic acid (CAS 1020933-05-4)
- 4-Bromo-7-methoxybenzo[b]thiophene-2-carboxylic acid (CAS 88791-16-6)
- 1-(3-Chlorophenyl)-1h-pyrazolo[3,4-d]pyrimidin-4-ol (CAS 650628-64-1)
- 1-Hydroxy-n,n-dimethyl-1h-1,2,3-benzotriazole-6-sulfonamide (CAS 554425-48-8)
- Semaglutide (CAS 910463-68-2（free base）)
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