2,7-Dimethyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylic acid CAS 338751-34-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338751-34-1 |
| Molecular Formula | C15H11NO4 |
| Molecular Weight | 269.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2,7-Dimethyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylic acid (CAS 338751-34-1) pharmaceutical standards reference standard. Molecular formula: C15H11NO4. Molecular weight: 269.25 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 1,3-Dibromo-6,6-dimethyl-5,6,7,8-tetrahydronaphthalene-2-carbonitrile (CAS 2768875-73-4)
- Crisaborole Impurity 25 (CAS CATO-C4X-202125)
- 4'-Chloro-[1,1'-biphenyl]-4-amine (CAS 135-68-2)
- 2-(3-Bromo-4-fluorophenyl)propanal (CAS 1036398-71-6)
- Des-Leu26-Tirzepatide (CAS CATO-CPTD788947)
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