Methyl 2-hydroxybenzo[6,7]oxepino[3,2-b]pyridine-7-carboxylate CAS 1983120-08-6
| CAS No. | 1983120-08-6 |
| Molecular Formula | C15H11NO4 |
| Molecular Weight | 269.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-hydroxybenzo[6,7]oxepino[3,2-b]pyridine-7-carboxylate (CAS 1983120-08-6), molecular formula C15H11NO4 and molecular weight 269.25 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Methyl 2-hydroxybenzo[6,7]oxepino[3,2-b]pyridine-7-carboxylate (C15H11NO4) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C15H11NO4 |
| Molecular Weight | 269.25 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.) | 1996 |
| Nitrogen Atoms | 1 |
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- 5-Chloro-6-methoxypyridazin-3(2H)-one (CAS 113707-83-8)
- 5-Bromopyridine-3-sulphonic Acid (CAS 62009-34-1)
- Bis(4-methyl-3-nitrophenyl)methanone (CAS 19910-92-0)
- 5-Amino-2-(((5-methylthiophen-2-yl)methyl)amino)pyrimidin-4(1H)-one (CAS 77961-58-1)
- 3-(Isopropylamino)-4-methylbenzonitrile (CAS 1248084-93-6)
- Methyl 2-amino-5-chloro-3-methylbenzoate (CAS 79101-83-0)
- 4-Chloro-N-(cyclopropylmethyl)aniline (CAS 69565-54-4)
- Semaglutide impurity 29 (CAS 1188328-22-4)
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