3-(Chloromethyl)-1-ethyl-5-(trifluoromethyl)-1H-pyrazole CAS 1260659-15-1
| CAS No. | 1260659-15-1 |
| Molecular Formula | C7H8ClF3N2 |
| Molecular Weight | 212.60 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.
CATO supplies 3-(Chloromethyl)-1-ethyl-5-(trifluoromethyl)-1H-pyrazole (CAS 1260659-15-1), a certified reference material (molecular formula C7H8ClF3N2, MW 212.60 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H8ClF3N2, 3-(Chloromethyl)-1-ethyl-5-(trifluoromethyl)-1H-pyrazole contains a nitrile group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 212.60 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C7H8ClF3N2 |
| Molecular Weight | 212.60 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloromethyl Standards
- 5-(Chloromethyl)-1-ethyl-3-(trifluoromethyl)-1H-pyrazole (CAS 1171086-33-1)
- 2-(Chloromethyl)-5-nitro-1,3-benzoxazole (CAS 119198-10-6)
- 2-(Chloromethyl)-4-nitrobenzo[d]oxazole (CAS 143708-26-3)
- 2-(Chloromethyl)-7-nitrobenzo[d]oxazole (CAS 1540115-47-6)
- 2-(Chloromethyl)-3-nitroimidazo[1,2-a]pyrimidine (CAS 170309-05-4)
- 2-(Chloromethyl)-6-nitrobenzo[d]oxazole (CAS 221638-74-0)
- 5-(Chloromethyl)-1-(3-fluorophenyl)-1h-1,2,3,4-tetrazole (CAS 1105194-91-9)
- 5-(Chloromethyl)-3-(2-fluorophenyl)-1,2,4-oxadiazole (CAS 110704-45-5)
Recommended Standards
- 6-chloro-2-(trifluoromethyl)pyridine-3-carbonitrile (CAS 1245913-20-5)
- 2-Fluoro-5-chlorobenzenesulfonyl fluoride (CAS 128564-59-0)
- 6-chloro-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 1201187-18-9)
- Methyl 3-(4-chloro-2-fluorophenyl)propiolate (CAS 1339691-51-8)
- 5-(((tert-Butyldiphenylsilyl)oxy)methyl)-3-(chloromethyl)-1-methyl-1H-pyrazole (CAS 2143010-95-9)
- 2-Azabicyclo[4.1.0]heptane (CAS 286-15-7)
- 3-(Aminomethyl)-6-(difluoromethyl)-5-methylpyridin-2-amine (CAS 1805145-67-8)
- 5-tert-butyl-1-(6-chloropyridin-2-yl)pyrazole-4-carboxylic acid (CAS 1820740-45-1)
- N1,N1-diethyl-N3-(1-ethylpiperidin-4-yl)propane-1,3-diamine (CAS 626217-97-8)
- 2-(4-Aminophenyl)-1-thiomorpholinoethan-1-one (CAS 1042798-09-3)
- 5,7-Dibromo-1-benzofuran-2-carboxylic acid (CAS 90415-17-1)
- Forodesine (CAS 209799-67-7)
- Methyl (2S,3S,4S,5R,6S)-4,5-bis(benzyloxy)-3-hydroxy-6-(p-tolylthio)tetrahydro-2H-pyran-2-carboxylate (CAS 1352561-81-9)
- Fragment-[7-31]-Liraglutide (CAS CATO-C4X-199239)
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