3-(chloromethyl)-1-methyl-5-(trifluoromethyl)-1H-pyrazole CAS 1260658-92-1
| CAS No. | 1260658-92-1 |
| Molecular Formula | C6H6ClF3N2 |
| Molecular Weight | 198.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(chloromethyl)-1-methyl-5-(trifluoromethyl)-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.
3-(chloromethyl)-1-methyl-5-(trifluoromethyl)-1H-pyrazole (CAS 1260658-92-1) is a high-purity analytical reference standard with the molecular formula C6H6ClF3N2 and a molecular weight of 198.57 g/mol.
Based on its molecular formula C6H6ClF3N2, 3-(chloromethyl)-1-methyl-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 198.57 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.
Physical & Chemical Properties
| Molecular Formula | C6H6ClF3N2 |
| Molecular Weight | 198.57 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
- 1-(Chloromethyl)-5-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 1006356-44-0)
- 4-(Chloromethyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 1222556-79-7)
- 3-(Chloromethyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole (CAS 1260658-95-4)
- 5-(Chloromethyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole (CAS 1281984-44-8)
- 2-(Chloromethyl)-1-(2,2,2-trifluoroethyl)-1h-imidazole hydrochloride (CAS 135206-93-8)
- 5-(Chloromethyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 184358-63-2)
- 4-(Chloromethyl)-1-(2,2,2-trifluoroethyl)-1h-pyrazole (CAS 405103-71-1)
- 1-(Chloromethyl)-2,3,4,5-tetrafluorobenzene (CAS 21622-18-4)
Recommended Standards
- 1-(Chloroethyl)-3-(trifluoromethyl)-1H-pyrazole (CAS 1250891-40-7)
- 4-Chloro-7-nitro-5H-pyrrolo[3,2-d]pyrimidine (CAS 1260676-83-2)
- 2-Chloro-7H-purine-6-carboxylic acid (CAS 1267954-74-4)
- 2-Chloro-7-nitrobenzo[d]oxazole (CAS 928196-42-3)
- 2H-Thiochromene (CAS 254-37-5)
- 2-[[(1RS)-1-Methyl-2-[4-(trifluoromethyl)phenyl]ethyl]amino]ethyl Benzoate Hydrochloride (CAS 22444-70-8)
- (S)-2-(4-(((2,4-Diaminoquinazolin-6-yl)amino)methyl)benzamido)pentanedioic acid (CAS 56239-22-6)
- Methyl 2-mesityl-2-(methylamino)acetate (CAS 1218631-75-4)
- 6-Amino-4-(difluoromethyl)picolinaldehyde (CAS 1806009-39-1)
- Methyl (R)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate (CAS 1217811-48-7)
- Methyl 1-(aminomethyl)-2,2-dimethylcyclopropanecarboxylate (CAS 2090006-19-0)
- 2-Acetamido-2-deoxy-6-O-(b-D-galactopyranosyl)-D-galactopyranose (CAS 209977-51-5)
- Methyl 2-bromo-4-(trifluoromethyl)thiophene-3-carboxylate (CAS 1853236-69-7)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com