5-chloro-2-(trifluoromethyl)-3H-imidazo[4,5-b]pyridine CAS 40851-96-5
| CAS No. | 40851-96-5 |
| Molecular Formula | C7H11ClF3N3 |
| Molecular Weight | 229.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H11ClF3N3, 5-chloro-2-(trifluoromethyl)-3H-imidazo[4,5-b]pyridine contains a nitrile group, fluorine/chlorine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 229.63 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.
5-chloro-2-(trifluoromethyl)-3H-imidazo[4,5-b]pyridine (CAS 40851-96-5), molecular formula C7H11ClF3N3 and molecular weight 229.63 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-chloro-2-(trifluoromethyl)-3H-imidazo[4,5-b]pyridine 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 | C7H11ClF3N3 |
| Molecular Weight | 229.63 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 2-chloro-1-[3-(trifluoromethyl)piperidin-1-yl]ethan-1-one (CAS 1183080-15-0)
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- 6-chloro-3-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridine (CAS 1256835-72-9)
- 4-chloro-6-(trifluoromethyl)-1H-pyrazolo[4,3-c]pyridine (CAS 1347759-36-7)
- 2-Chloro-1-(4-(trifluoromethyl)piperidin-1-yl)ethan-1-one (CAS 1482565-56-9)
- 5-chloro-3-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridine (CAS 1638768-23-6)
- 2-Chloro-3,3,3-trifluoro-1-(piperidin-1-yl)propan-1-one (CAS 65388-63-8)
- 8-chloro-3-(trifluoromethyl)imidazo[1,5-a]pyrazine (CAS 2306263-43-2)
Recommended Standards
- 4-(5-Chloro-3-fluoropyridin-2-yl)piperazin-2-one (CAS 1125426-55-2)
- 2-oxo-2H-indole-5-sulfonyl chloride (CAS 1174006-95-1)
- 5-(Chloromethyl)-3-(4-fluorophenyl)oxazolidin-2-one (CAS 1204297-74-4)
- (2-Chloro-4-fluorophenyl)(3-hydroxyazetidin-1-yl)methanone (CAS 1343974-68-4)
- 2,2-Difluoro-2-(3-methoxypyridin-2-yl)ethan-1-ol (CAS 2228608-88-4)
- 6H,7H,8H,9H,10H-Cyclohepta[b]quinoline (CAS 7092-81-1)
- (E)-3-(3-((4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)methyl)-4-methoxyphenyl)acrylic acid (CAS 1020050-88-7)
- N-(5-chloro-4-((4-chlorophenyl)(cyano)methyl)-2-methylphenyl)-3-nitrobenzamide (CAS 895868-49-2)
- 2-Isonicotinoyl-N-methylhydrazinecarbothioamide (CAS 4406-96-6)
- 2-Chloro-7-methoxy-4-methylquinoline (CAS 97892-67-6)
- 6-Phenyl-5-[4-(thiophene-2-carbonyl)piperazin-1-yl]-2,3-dihydropyridazin-3-one (CAS 477863-58-4)
- 1-Ethynyl-2-fluoro-4-(trifluoromethyl)benzene (CAS 1233506-35-8)
- Mirabegron Impurity 54 (CAS 2384612-86-4)
- D-Tyr1-Tirzepatide (CAS CATO-CPTD788928)
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