3,5,5,7-Tetrahydroxy-4,6-dimethoxyflavone CAS 125537-92-0
| CAS No. | 125537-92-0 |
| Molecular Formula | C17H14O8 |
| Molecular Weight | 346.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3,5,5,7-Tetrahydroxy-4,6-dimethoxyflavone 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.
3,5,5,7-Tetrahydroxy-4,6-dimethoxyflavone (CAS 125537-92-0), molecular formula C17H14O8 and molecular weight 346.29 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, a hydroxyl group, an ether linkage, 3,5,5,7-Tetrahydroxy-4,6-dimethoxyflavone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 346.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H14O8 |
| Molecular Weight | 346.29 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.) | 1992 |
Related Tetrahydroxy Standards
- (S)-5,5',6,6'-Tetrahydroxy-3,3,3',3'-tetramethyl-1,1'-spirobiindane (CAS 312934-03-5)
- 2,2',3,4-Tetrahydroxy-3'-sulfo-5'-chlorazobenzene 5-Chloro-2-hydroxy-3-[2-(3,4,5-trihydroxyphenyl)diazenyl]benzenesulfonic Acid 946153-47-5 Tetrahydroxyazon SCl (CAS 946153-47-5)
- 6,6',7,7'-Tetrahydroxy-4,4,4',4'-tetramethyl-2,2'-spirobichroman (CAS 32737-35-2)
- 3',4',5,7-Tetrahydroxy 3,6,8-trimethoxyflavone (CAS 61451-85-2)
- 3,5,7,8-Tetrahydroxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 96238-95-8)
- 1,3,6,8-Tetrahydroxy-2-(1-hydroxy-5-oxohexyl)anthracene-9,10-dione (CAS 647839-29-0)
- 2,3,9,10-Tetrahydroxy-5,6-dihydroisoquinolino[3,2-a]isoquinolin-7-ium (CAS 162854-37-7)
- 1,3,6,7-Tetrahydroxy-5-(3-methylbut-2-en-1-yl)-2-(2-methylbut-3-en-2-yl)-9H-xanthen-9-one (CAS 135541-40-1)
Recommended Standards
- N-(((1S,4S)-4-(3,4-Dichlorophenyl)-1,2,3,4-tetrahydronaphthalen-1-yl)methyl)cyclopropanamine (CAS 1204512-57-1)
- 1-Bromo-3-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-5-nitrobenzene (CAS 1312536-01-8)
- ((2-Bromo-6-nitrobenzyl)oxy)(tert-butyl)dimethylsilane (CAS 1147531-02-9)
- (R)-1-((2S,3R,4R)-3,4-diacetoxy-5-oxotetrahydrofuran-2-yl)ethane-1,2-diyl diacetate (CAS 136345-68-1)
- 1346601-13-5 Hexahydro-5-methyl-2-phenyl-1H-azepine Hydrochloride (CAS 1346601-13-5)
- [3aR-(3aα,4α,6aα)]-3a,6a-Dihydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-amine (CAS 71772-25-3)
- 1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid (CAS 137118-01-5)
- trans-4-[4-[6-(Aminocarbonyl)-3,5-dimethyl-2-pyrazinyl]phenyl]cyclohexaneacetic acid methyl ester (CAS 1166831-68-0)
- 5-Methoxy-2-(((4-phenoxyphenyl)amino)methyl)phenol (CAS 763130-57-0)
- 57654-83-8 Potassium (~15~N)nitrate DTXSID50447921 (CAS 57654-83-8)
- n-[(4-oxocyclohexyl)methyl]acetamide (CAS 30482-18-9)
- N-(4-ethoxybenzyl)-1-(4-methoxyphenyl)methanamine (CAS 510723-64-5)
- Olaparib Impurity 73 (CAS 164149-28-4)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com