| CAS No. | 40852-06-0 |
| Molecular Formula | C7H6ClN3O |
| Molecular Weight | 183.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
5-Chloro-1-methyl-1H-imidazo[4,5-b]pyridin-2(3H)-one (CAS 40852-06-0) is a high-purity analytical reference standard with the molecular formula C7H6ClN3O and a molecular weight of 183.60 g/mol.
Based on its molecular formula C7H6ClN3O, 5-Chloro-1-methyl-1H-imidazo[4,5-b]pyridin-2(3H)-one contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 183.60 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Chloro-1-methyl-1H-imidazo[4,5-b]pyridin-2(3H)-one 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.
| Molecular Formula | C7H6ClN3O |
| Molecular Weight | 183.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |