2-(2,4-Dihydroxy-5-methoxyphenyl)-5-hydroxy-6,7-dimethoxy-4H-chromen-4-one CAS 83162-82-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83162-82-7 |
| Molecular Formula | C18H16O8 |
| Molecular Weight | 360.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2,4-Dihydroxy-5-methoxyphenyl)-5-hydroxy-6,7-dimethoxy-4H-chromen-4-one (CAS 83162-82-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C18H16O8. Molecular weight: 360.31 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H16O8 |
| Molecular Weight | 360.31 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.) | 1980 |
Related Dihydroxy Standards
- 5,6-Dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7-dimethoxy-4H-chromen-4-one (CAS 23370-16-3)
- 1,4-Dihydroxy-2-(2-methoxybenzyl)anthracene-9,10-dione (CAS 63776-13-6)
- (1S)-1,23-Dihydroxy-24,25,26,27-tetranorcalciol (CAS 97903-37-2)
- (3α,5β,7β)-3,7-Dihydroxy-24-norcholane-23-nitrile (CAS 118316-12-4)
- 2,4-Dihydroxy-3-tosylquinoline-7-carboxylic acid (CAS 892271-80-6)
- 3,4-Dihydroxy-N-isopropyl-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide (CAS 1313738-85-0)
- 1-(2,4-Dihydroxy-6-methylphenyl)-2-phenoxyethan-1-one (CAS 956239-87-5)
- 1,1'-(6,6'-Dihydroxy-5,5'-dimethoxy-[1,1'-biphenyl]-3,3'-diyl)bis(propan-1-one) (CAS 18592-97-7)
Recommended Standards
- 2-((4-(Trifluoromethoxy)phenyl)sulfonamido)benzamide (CAS 562079-34-9)
- 2-Nitro-N-(4-(trifluoromethyl)benzyl)benzenesulfonamide (CAS 866151-87-3)
- Dibefurin (CAS 175448-33-6)
- 2-(2-Fluorocyclohexyl)acetic acid (CAS 1000525-30-3)
- 1-(Bromomethyl)-1-(2-isopropoxyethyl)cyclobutane (CAS 1491335-05-7)
- (S)-1-(Pyrimidin-2-yl)pyrrolidine-2-carboxylic acid (CAS 1165543-55-4)
- (S)-3-Amino-N-((1R,2S,3S,4R,5S)-5-amino-4-(((2R,3R,4S,5S,6R)-6-(aminomethyl)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)oxy)-2-(((2R,3R,4R,5R)-3,5-dihydroxy-5-methyl-4-(methylamino)tetrahydro-2H-pyran-2-yl)oxy)-3-hydroxycyclohexyl)-2-hydroxypropanamide sulfate (CAS 393574-17-9)
- (R)-2-Hydroxy-2-phenylacetohydrazide (CAS 84049-61-6)
- (2-(4-Nitrophenoxy)phenyl)methanol (CAS 25562-37-2)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
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