5,7-Dichloro-3-methyl-3H-imidazo[4,5-b]pyridine CAS 2089377-92-2
| CAS No. | 2089377-92-2 |
| Molecular Formula | C7H5Cl2N3 |
| Molecular Weight | 202.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5,7-Dichloro-3-methyl-3H-imidazo[4,5-b]pyridine (CAS 2089377-92-2), molecular formula C7H5Cl2N3 and molecular weight 202.04 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H5Cl2N3, 5,7-Dichloro-3-methyl-3H-imidazo[4,5-b]pyridine contains a nitrile group, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 202.04 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 5,7-Dichloro-3-methyl-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 | C7H5Cl2N3 |
| Molecular Weight | 202.04 g/mol |
| Appearance | Off-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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 5,7-Dichloro-2-methylpyrazolo[1,5-a]pyrimidine (CAS 754211-02-4)
- 5,7-Dichloro-3-methylimidazo[1,5-c]pyrimidine (CAS 94694-50-5)
- 5,7-Dichloro-2-methylbenzoxazole (CAS 55202-46-5)
- 5,7-Dichloro-3-methylpyrazolo[1,5-a]pyrimidine (CAS 939979-43-8)
- 1-(3,5-Dichlorobenzyl)azetidine-3-carboxylic acid (CAS 1483209-79-5)
- 2-[3-(Trifluoromethyl)-3H-diazirin-3-yl]ethan-1-amine hydrochloride (CAS 2095409-03-1)
- 6-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine (CAS 959992-62-2)
- 4-Aminopiperidin-2-one trifluoroacetate (CAS 1523618-06-5)
- 2,2'-((2-((1H-Purin-6-yl)amino)-2-oxoethyl)azanediyl)diacetic acid (CAS 142210-17-1)
- (E)-5-bromo-3-(2-nitrovinyl)-1H-indole (CAS 131653-79-7)
- 2-Bromo-1-(3-methanesulfonylphenyl)ethan-1-one (CAS 443915-58-0)
- 1-(2-Isocyanoethyl)-pyrrolidine (CAS 2920-10-7)
- Methyl 2-(5-bromo-2-methyl-4-nitro-1H-imidazol-1-yl)acetate (CAS 41604-58-4)
- Peptide 74 (H-8545.0500) (CAS 132116-39-3)
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