2-(Pyridin-4-yl)-5H-chromeno[2,3-b]pyridin-5-one CAS 400085-76-9
| CAS No. | 400085-76-9 |
| Molecular Formula | C17H10N2O2 |
| Molecular Weight | 274.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(Pyridin-4-yl)-5H-chromeno[2,3-b]pyridin-5-one (CAS 400085-76-9) is a high-purity analytical reference standard with the molecular formula C17H10N2O2 and a molecular weight of 274.27 g/mol.
2-(Pyridin-4-yl)-5H-chromeno[2,3-b]pyridin-5-one (C17H10N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2-(Pyridin-4-yl)-5H-chromeno[2,3-b]pyridin-5-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.
Physical & Chemical Properties
| Molecular Formula | C17H10N2O2 |
| Molecular Weight | 274.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Pyridin Standards
- 2-[2-(Pyridin-2-yl)pyrimidin-5-yl]-1,3-benzoxazole (CAS 477859-77-1)
- 2-[2-(Pyridin-4-yl)pyrimidin-5-yl]-1,3-benzoxazole (CAS 477859-79-3)
- (2E)-2-[(Pyridin-3-yl)methylidene]-2,3,4,9-tetrahydro-1H-carbazol-1-one (CAS 866138-46-7)
- 2-(Phenyl(2-(pyridin-2-yl)hydrazono)methyl)pyridine (CAS 24929-06-4)
- 3-Pyridin-3-yl-3,4-dihydro-2H-benzo[f]quinolin-1-one (CAS 333759-45-8)
- N-(pyridin-4-yl)-[1,1'-biphenyl]-4-carboxamide (CAS 304882-40-4)
- 1-(Pyridin-2-yl)-N-(1,3-thiazol-4-ylmethyl)piperidin-4-amine (CAS 1306169-49-2)
- 1-(Pyridin-2-yl)-4-(thiophene-2-carbonyl)piperazine (CAS 335282-42-3)
Recommended Standards
- 2-(Hydroxymethyl)-4-(2-methoxybenzoyl)-6-methylpyridazin-3(2H)-one (CAS 832712-36-4)
- 2,5,8,10-Tetraoxatridec-12-enoic acid, 9-oxo-, 2-propen-1-yl ester, homopolymer (CAS 25656-90-0)
- 2-(4-Methyl-2-phenyl-1H-imidazol-1-yl)succinic acid (CAS 88660-90-6)
- 2-[(2,4-Dimethoxyphenyl)amino]nicotinic acid (CAS 460363-29-5)
- 2,4-Dichloro-6-(phenylthio)hexyl pyrimidine-5-carboxylate (CAS 87847-40-3)
- 4-chloro-1H-imidazole-2-carboxylic acid (CAS 1824084-44-7)
- 3,5-Dimethylisothiazol-4-amine hydrochloride (CAS 1803590-58-0)
- Methyl 2-amino-4-(4-cyclohexylphenyl)-5-methylthiophene-3-carboxylate (CAS 351156-56-4)
- 5,6-Dimethoxy-3-oxo-2-phenyl-3H-indole 1-oxide (CAS 69511-80-4)
- Brivaracetam Impurity 152 (CAS CATO-C4X-2007152)
- 2-Chloro-5-(diethylsulfamoyl)benzoic acid (CAS 62310-17-2)
- 5-Ethyl-3-methyl-1,2-oxazole-4-carboxylic acid (CAS 69083-54-1)
- 2-Methylpentane-3-sulfonyl chloride (CAS 78429-89-7)
- Semaglutide impurity 237 (CAS CATO-C4X-2226237)
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