Ethyl 5,7-dihydroxy-3-(4-methoxyphenyl)-4-oxo-4H-chromene-2-carboxylate CAS 15485-76-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 15485-76-4 |
| Molecular Formula | C19H16O7 |
| Molecular Weight | 356.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5,7-dihydroxy-3-(4-methoxyphenyl)-4-oxo-4H-chromene-2-carboxylate (CAS 15485-76-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H16O7. Molecular weight: 356.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H16O7 |
| Molecular Weight | 356.33 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Ethyl Standards
- (S)-2-(3,4-Dihydroxy-5-(3-methylbut-2-en-1-yl)phenyl)-5,7-dihydroxychroman-4-one (CAS 87746-47-2)
- 14,26-Dihydroxy-15,16-dimethoxy-1,2(1,3)-dibenzenacyclononaphan-5-one (CAS 32492-74-3)
- 7-(2,5-Dihydroxy-3,4,6-trimethylphenyl)-7-phenylheptanoic acid (CAS 148989-73-5)
- 7-Butyl-4,9-dihydroxy-3,8-dimethoxybenzo[g]quinoline-5,10-dione (CAS 61186-57-0)
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- 1,4-Dihydroxy-5,8-bis(propylamino)anthracene-9,10-dione (CAS 100495-30-5)
- 5,7-Dihydroxy-2-(4-hydroxyphenyl)-6-methyl-8-(3-methylbut-2-en-1-yl)chroman-4-one (CAS 261776-60-7)
- 1,8-Dihydroxy-3-methyl-2-(phenylethynyl)anthracene-9,10-dione (CAS 60714-44-5)
Recommended Standards
- N-(2,4-Dinitrophenyl)-5-methoxytryptamine (CAS 124035-04-7)
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- 2(3H)-Furanone, 5-ethoxydihydro-3-phenyl- (CAS 99558-18-6)
- 2-Pentafluoroethylsulfanylethylamine (CAS 1208078-70-9)
- 2-(Dimethylamino)-3-ethylpentanoic acid (CAS 1248378-15-5)
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- N-(3-Ethynylbenzyl)acetamide (CAS 949115-73-5)
- 2-Methoxymethoxy-4-(trifluoromethyl)benzoic acid (CAS 368422-29-1)
- Tau Peptide (268-282) trifluoroacetate salt (CAS 330456-37-6)
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