3,5,8-Trihydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one CAS 70703-48-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70703-48-9 |
| Molecular Formula | C17H14O7 |
| Molecular Weight | 330.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,5,8-Trihydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 70703-48-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H14O7. Molecular weight: 330.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H14O7 |
| Molecular Weight | 330.29 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.) | 1977 |
Related Trihydroxy Standards
- 4,6,11-Trihydroxy-9-methoxychromeno[3,4-b]chromen-12(6H)-one (CAS 1449384-21-7)
- 1,4,8-Trihydroxy-2-(3-oxobutyl)anthracene-9,10-dione (CAS 88100-93-0)
- 2,6,7-Trihydroxy-9-(2-hydroxyphenyl)-3H-xanthen-3-one (CAS 3569-82-2)
- 3,5,7-Trihydroxy-2-(4-(trifluoromethyl)phenyl)-4h-chromen-4-one (CAS 1254040-46-4)
- (R)-3,6,8-Trihydroxy-3-methyl-3,4-dihydrotetraphene-1,7,12(2H)-trione (CAS 28399-50-0)
- 3,5,7-Trihydroxy-8-(3-methylbut-2-en-1-yl)-2-phenyl-4H-chromen-4-one (CAS 42193-83-9)
- 2,6,7-Trihydroxy-9-phenyl-3h-xanthen-3-one (CAS 975-17-7)
- 1,4,8-Trihydroxy-2-(3-oxopentyl)anthracene-9,10-dione (CAS 75963-98-3)
Recommended Standards
- 2-(Benzyloxy)-3-methoxy-β,6-dinitrostyrene (CAS 2426-62-2)
- 3-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]propanoic acid (CAS 2229976-20-7)
- 2-(4-Formyl-2-methoxyphenoxy)-N-(4-nitrophenyl)acetamide (CAS 247592-74-1)
- 7-Bromoquinoline-3-carboxylic Acid (CAS 892874-34-9)
- (2-Amino-3-chloro-5-fluorophenyl)methanol (CAS 2089319-92-4)
- N-[3,5-Bis(trifluoromethyl)phenyl]-2-(1H-indol-3-yl)-2-oxoacetamide (CAS 946386-99-8)
- (S)-1-Thiazol-4-yl-ethylamine dihydrochloride (CAS 1965305-38-7)
- Methyl 3-Aminopyridine-2-carboxylate (CAS 36052-27-4)
- 4-(((2,4-Dichlorophenyl)imino)methyl)-2-methyl-5-(trifluoromethyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 320425-13-6)
- TAT 14 Peptide (Nrf2 Activator III) (CAS 1362661-34-4)
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 13829788188 / jacky.chen@cato-chem.com