Ethyl 7-chloro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate CAS 68301-92-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 68301-92-8 |
| Molecular Formula | C16H12ClNO4 |
| Molecular Weight | 317.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 7-chloro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate (CAS 68301-92-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H12ClNO4. Molecular weight: 317.72 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H12ClNO4 |
| Molecular Weight | 317.72 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Carprofen EP Impurity A (CAS 252288-17-8)
- Methyl 7-chloro-2-ethyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate (CAS 338778-37-3)
- 5-((4-Chlorophenyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonitrile (CAS 318239-38-2)
- 3-((3-Hydroxyphenyl)amino)tetrahydrothiophene 1,1-dioxide hydrochloride (CAS 1059602-41-3)
- 1,3-Dimesityl-4,5-dihydro-1H-imidazol-3-ium tetrafluoroborate (CAS 245679-18-9)
- N-(2-((4-chloro-3-nitrophenyl)amino)-2-oxoethyl)-N-cyclohexyl-3-nitrobenzamide (CAS 332156-19-1)
- 2-Bromo-5-nitrocinnamic acid (CAS 1262013-78-4)
- 4-(tert-Butyl)phenethyl acetate (CAS 66619-08-7)
- 1-(5-Bromonaphthalen-1-yl)cyclopropan-1-amine (CAS 1781089-64-2)
- Acetyl tetrapeptide-3 (CAS 827306-88-7)
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