2-(Chloromethyl)-1-(difluoromethyl)-1H-imidazole CAS 923209-39-6
| CAS No. | 923209-39-6 |
| Molecular Formula | C5H5ClF2N2 |
| Molecular Weight | 166.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(Chloromethyl)-1-(difluoromethyl)-1H-imidazole (CAS 923209-39-6), molecular formula C5H5ClF2N2 and molecular weight 166.56 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H5ClF2N2, 2-(Chloromethyl)-1-(difluoromethyl)-1H-imidazole contains a nitrile group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 166.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(Chloromethyl)-1-(difluoromethyl)-1H-imidazole 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 | C5H5ClF2N2 |
| Molecular Weight | 166.56 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.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloromethyl Standards
- 3-(chloromethyl)-1-(difluoromethyl)-1H-pyrazole (CAS 1260659-01-5)
- 5-(Chloromethyl)-1-(difluoromethyl)-1H-pyrazole (CAS 1260659-30-0)
- 6-(Chloromethyl)benzofuran (CAS 1092350-86-1)
- 7-(Chloromethyl)benzofuran (CAS 158820-53-2)
- 2-(Chloromethyl)benzofuran (CAS 36754-60-6)
- 3-(Chloromethyl)benzofuran (CAS 67713-99-9)
- 5-(chloromethyl)benzofuran (CAS 37798-07-5)
- butyl chloromethyl carbonate (CAS 58304-98-6)
Recommended Standards
- 5-Chloro-4-(difluoromethyl)-1-methyl-1H-pyrazole (CAS 1909337-29-6)
- 2-Chloro-6-formylisonicotinonitrile (CAS 448907-74-2)
- 6-Chloro-5-formylnicotinonitrile (CAS 176433-63-9)
- 2-Chloroethyl n-carbamoylcarbamate (CAS 88795-43-1)
- 5-Bromo-1-methyl-1H-pyrrolo[3,2-b]pyridine-3-carbaldehyde (CAS 1368226-74-7)
- (2R)-(2,6-Dichlorophenyl)-1-((1R)-1-phenylethyl)tetrahydro-1H-imidazol-4-one (CAS 1149765-13-8)
- 4-[(4-Methylbenzyl)(methylsulfonyl)amino]benzoic acid (CAS 446259-00-3)
- 21-Deacetoxy Deflazacort (CAS 13649-88-2)
- Tert-butyl 4-(4-((4-methoxybenzamido)methyl)phenyl)piperazine-1-carboxylate (CAS 866040-09-7)
- [2,2'-Bithiophene]-5-carbothioamide (CAS 128275-04-7)
- 6-Chloro-3-iodo-8-methylquinolin-4(1H)-one (CAS 1330752-77-6)
- 3-(4-Methylnaphthalen-1-yl)-3-oxopropanenitrile (CAS 502924-66-5)
- 2-Amino-3-(trifluoromethyl)benzaldehyde (CAS 1288999-00-7)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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