Ethyl 4-hydroxy-8-methoxy-2-oxo-2H-chromene-3-carboxylate CAS 770719-84-1
| CAS No. | 770719-84-1 |
| Molecular Formula | C13H12O6 |
| Molecular Weight | 264.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ethyl 4-hydroxy-8-methoxy-2-oxo-2H-chromene-3-carboxylate (C13H12O6) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 264.23 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies Ethyl 4-hydroxy-8-methoxy-2-oxo-2H-chromene-3-carboxylate (CAS 770719-84-1), a certified reference material (molecular formula C13H12O6, MW 264.23 g/mol) for analytical method development and quality control.
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 Ethyl 4-hydroxy-8-methoxy-2-oxo-2H-chromene-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 | C13H12O6 |
| Molecular Weight | 264.23 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
Related Ethyl Standards
- 2-(7-Hydroxy-6-methoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetic acid (CAS 1338937-21-5)
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