6,7-Dichloro-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine CAS 1951444-62-4
| CAS No. | 1951444-62-4 |
| Molecular Formula | C13H9Cl2N3O |
| Molecular Weight | 294.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6,7-Dichloro-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6,7-Dichloro-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine (CAS 1951444-62-4), molecular formula C13H9Cl2N3O and molecular weight 294.14 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6,7-Dichloro-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine (C13H9Cl2N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 294.14 g/mol, it falls into the medium-molecular-weight range. 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).
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.
CATO manufactures 6,7-Dichloro-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine 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.
Physical & Chemical Properties
| Molecular Formula | C13H9Cl2N3O |
| Molecular Weight | 294.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
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- (E)-2,5-dichloro-N'-(pyridin-3-ylmethylene)benzohydrazide (CAS 1351507-68-0)
- 3-(2,5-Dichloro-4-pyrimidinyl)-5-methoxy-1H-indole (CAS 1817624-30-8)
- 3-(5,6-Dichloro-1-methyl-1H-1,3-benzodiazol-2-yl)-1,2-dihydropyridin-2-one (CAS 338412-04-7)
- 5-(5,6-Dichloro-1-methyl-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one (CAS 338774-05-3)
- 2-(3,5-Dichloro-4-methoxyphenyl)benzo[d]oxazole (CAS 1004984-06-8)
- 2,4-Dichloro-N-(3-formylphenyl)benzamide (CAS 568543-69-1)
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Recommended Standards
- 2-(Benzyloxy)-5-bromo-3-methoxypyridine (CAS 1887247-39-3)
- Methyl 4-bromo-1-cyclopropyl-1H-indole-6-carboxylate (CAS 1956327-64-2)
- 1-((4-Bromo-3-fluorophenyl)sulfonyl)azetidine (CAS 1857034-74-2)
- (6-(5-Bromo-2-methoxyphenyl)pyridin-3-yl)methanol (CAS 887974-72-3)
- (4'-Fluorobiphenyl-3-yl)(methyl)sulfane (CAS 748817-99-4)
- 1-(3-Phenylallyl)cyclopropane-1-carboxylic acid (CAS 1562176-99-1)
- 1-Methyl-5-nitro-2-phenylbenzimidazole (CAS 20648-09-3)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-(pyridin-4-yl)thiophen-2-yl)boronate (CAS 1402240-72-5)
- Diethyl 5-chloro-3-methyl-1H-pyrrole-2,4-dicarboxylate (CAS 100129-92-8)
- 2-methyl-5-phenyl-1,3-thiazole-4-sulfonyl chloride (CAS 1394042-25-1)
- 2-(2-Bromo-6-fluorophenyl)acetic acid (CAS 1214322-99-2)
- 5-(4-Methoxyphenyl)-4H-1,2,4-triazol-3-amine hydrochloride (CAS 1559062-11-1)
- 5-Chlorohex-5-enenitrile (CAS 951887-60-8)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
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