5-Chloro-2-ethyl-1H-imidazole CAS 944898-66-2
| CAS No. | 944898-66-2 |
| Molecular Formula | C5H7ClN2 |
| Molecular Weight | 130.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrile group, chlorine substitution, 5-Chloro-2-ethyl-1H-imidazole is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 130.58 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 5-Chloro-2-ethyl-1H-imidazole (CAS 944898-66-2), a certified reference material (molecular formula C5H7ClN2, MW 130.58 g/mol) for analytical method development and quality control.
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), 5-Chloro-2-ethyl-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 | C5H7ClN2 |
| Molecular Weight | 130.58 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 | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-4,5-dimethyl-1h-imidazole (CAS 1049126-78-4)
- 4-Chloro-1-ethyl-1H-pyrazole (CAS 1171076-88-2)
- 5-Chloro-1,4-dimethyl-1H-pyrazole (CAS 127842-11-9)
- 5-Chloro-1-ethyl-1H-pyrazole (CAS 1427020-01-6)
- 4-Chloro-1,3-dimethyl-1H-pyrazole (CAS 15878-44-1)
- 4-Chloro-3,5-dimethyl-1H-pyrazole (CAS 15953-73-8)
- 4-Chloro-2,5-dimethyl-1H-imidazole (CAS 16265-08-0)
- 5-Chloro-1,4-dimethyl-1H-imidazole (CAS 1856095-84-5)
Recommended Standards
- 5-Chloro-1,3-dimethylpyrazole (CAS 54454-10-3)
- 5-Chloro-3,4-dimethyl-1H-pyrazole (CAS 861585-57-1)
- 4-Chloro-1,5-dimethyl-1h-pyrazole (CAS 84703-26-4)
- 3-Chlorobenzenamine-D3 (CAS 347840-11-3)
- 4-Bromo-5-(difluoromethyl)-2-fluoropyridine-3-sulfonamide (CAS 1805370-33-5)
- 6-Chloro-9-methyl-8-(trifluoromethyl)-9H-purine (CAS 1365607-17-5)
- 2,6-DIMETHYLTETRAHYDRO-4H-THIOPYRAN-4-ONE (CAS 2323-17-3)
- (1S)-2-methyl-1-phenylpropan-1-amine (CAS 68906-26-3)
- (2-Methyl-1,2,3,4-tetrahydroisoquinolin-6-yl)boronic acid (CAS 2408428-29-3)
- (4-Bromo-2-nitrophenyl)methanamine (CAS 1174006-84-8)
- tert-Butyl 3,7,9-triazabicyclo[3.3.1]nonane-3-carboxylate (CAS 868407-41-4)
- 5-hydroxy-1,3-dimethyl-2,3-dihydro-1H-1,3-benzodiazol-2-one (CAS 64826-46-6)
- Pyrimidine-4-sulfonyl chloride (CAS 1198596-10-9)
- Liraglutide Impurity 26 (CAS CATO-C4X-199226)
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