Methyl 2,7-dimethyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate CAS 338751-36-3
| CAS No. | 338751-36-3 |
| Molecular Formula | C16H13NO4 |
| Molecular Weight | 283.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 2,7-dimethyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate.
Methyl 2,7-dimethyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate (CAS 338751-36-3) is a high-purity analytical reference standard with the molecular formula C16H13NO4 and a molecular weight of 283.28 g/mol.
Methyl 2,7-dimethyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate (C16H13NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 Methyl 2,7-dimethyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate 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 | C16H13NO4 |
| Molecular Weight | 283.28 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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