5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7,8-trimethoxy-4H-chromen-4-one CAS 571-71-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 571-71-1 |
| Molecular Formula | C19H18O8 |
| Molecular Weight | 374.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7,8-trimethoxy-4H-chromen-4-one (CAS 571-71-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H18O8. Molecular weight: 374.34 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H18O8 |
| Molecular Weight | 374.34 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.) | 1957 |
Related Hydroxy Standards
- 5-Hydroxy-2-(3-hydroxy-4,5-dimethoxyphenyl)-6,7-dimethoxy-4H-chromen-4-one (CAS 111537-41-8)
- (R)-2-hydroxy-2-((3aR,5R,6R,6aR)-6-hydroxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)ethyl 4-methylbenzenesulfonate (CAS 24384-93-8)
- 2-Hydroxy-2-(6-hydroxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)ethyl 4-methylbenzenesulfonate (CAS 26275-20-7)
- 4-Hydroxy-3-(3'-methoxy-[1,1'-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile (CAS 844499-74-7)
- 4-Hydroxy-3-(4'-methoxy-[1,1'-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile (CAS 844499-75-8)
- 5-(4-Ethyl-5-hydroxy-3-methyl-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acid (CAS 321143-17-3)
- (E)-3-hydroxy-2-(((4-methyl-6-(pyridin-2-ylthio)pyrimidin-2-yl)imino)methyl)-1H-inden-1-one (CAS 1023505-94-3)
- 3,3-Bis(4-hydroxy-2,5-dimethylphenyl)isobenzofuran-1(3H)-one (CAS 50984-88-8)
Recommended Standards
- 5-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]oxypentanoic acid (CAS 2169266-67-3)
- Arteanoflavone (CAS 68710-17-8)
- 5,4'-Dihydroxy-6,7,3',5'-tetramethoxyflavone (CAS 83133-17-9)
- N-(5-(4-Chlorophenyl)-1H-pyrazol-3-yl)benzamide (CAS 13097-20-6)
- 3-(2,5-Difluoro-4-(trifluoromethyl)phenyl)propanal (CAS 1036396-41-4)
- trans-N1,N1-Dimethylcyclopentane-1,2-diamine xhydrochloride (CAS 1033245-36-1)
- Simvastatin EP Impurity C (CAS 210980-68-0)
- 2-Fluoro-6-vinylpyridine (CAS 869108-67-8)
- 4-(4-(4-Nitrophenyl)piperazin-1-yl)phenyl acetate (CAS 1197458-91-5)
- Cholecystokinin Octapeptide (1-5) (desulfated) (CAS 121880-96-4)
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