4-Chloro-2-(3-chlorophenyl)-3H-imidazo[4,5-c]pyridine CAS 75007-98-6
| CAS No. | 75007-98-6 |
| Molecular Formula | C12H7Cl2N3 |
| Molecular Weight | 264.11 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.
4-Chloro-2-(3-chlorophenyl)-3H-imidazo[4,5-c]pyridine (CAS 75007-98-6) is a high-purity analytical reference standard with the molecular formula C12H7Cl2N3 and a molecular weight of 264.11 g/mol.
Based on its molecular formula C12H7Cl2N3, 4-Chloro-2-(3-chlorophenyl)-3H-imidazo[4,5-c]pyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 264.11 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.
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.
Physical & Chemical Properties
| Molecular Formula | C12H7Cl2N3 |
| Molecular Weight | 264.11 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 7-Chloro-3-(2-chlorophenyl)-[1,2,4]triazolo[4,3-a]pyridine (CAS 1019918-88-7)
- 4-Chloro-2-(4-chlorophenyl)pyrazolo[1,5-a]pyrazine (CAS 1255784-46-3)
- 4-Chloro-2-(3-chlorophenyl)pyrazolo[1,5-a]pyrazine (CAS 1326816-77-6)
- 1365962-70-4 2-Chloro-N-(2-chloro-4,6-dimethoxyphenyl)acetamide MFCD22056660 (CAS 1365962-70-4)
- 6-Chloro-2-(4-chlorophenyl)imidazo[1,2-b]pyridazine (CAS 1844-56-0)
- (4-Chloro-phenyl)-(6-chloro-pyridazin-3-yl)-acetonitrile (CAS 339008-49-0)
- 2-Chloro-n-(4-chloro-2,5-dimethoxyphenyl)acetamide (CAS 448250-64-4)
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Recommended Standards
- 4-Chloro-2-(2-chlorophenyl)-1H-imidazo[4,5-c]pyridine (CAS 77712-91-5)
- 5,7-Dichloro-3-phenylpyrazolo[1,5-a]pyrimidine (CAS 99898-62-1)
- 4,7-Dichloro-8-fluoro-2-(methylthio)pyrido[4,3-d]pyrimidine (CAS 2454491-14-4)
- 5-chloro-2-(6-chloropyridin-3-yl)-1H-benzo[d]imidazole (CAS 337920-73-7)
- 3-Bromo-2,5-dichlorophenol (CAS 1034709-00-6)
- Sodium (3-amino-1-hydroxypropane-1,1-diyl)bis(hydrogen phosphonate) (CAS 89131-02-2)
- (4-Chloropyrimidin-5-yl)methanol (CAS 389799-45-5)
- 4-(Difluoromethyl)-3,5-diiodopyridin-2-ol (CAS 1805046-55-2)
- methyl 1-(3-cyanophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxylate (CAS 1055070-43-3)
- 4-Methylhexa-2,4-dienoic acid (CAS 26526-09-0)
- 1-(3-Phenyl-4,5-dihydroisoxazol-5-yl)ethanone (CAS 54606-00-7)
- 4-(Hydroxymethyl)-1-phenylpyrrolidin-2-one (CAS 64320-90-7)
- 1-[(thietan-3-yl)amino]propan-2-ol (CAS 1866408-75-4)
- Adrenal Peptide E, bovine (CAS 78355-50-7)
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