3,5,6,7-Tetramethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one CAS 4472-73-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4472-73-5 |
| Molecular Formula | C20H20O7 |
| Molecular Weight | 372.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,5,6,7-Tetramethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 4472-73-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H20O7. Molecular weight: 372.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H20O7 |
| Molecular Weight | 372.37 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.) | 1958 |
Related Tetramethoxy Standards
- 2,4,8,10-Tetramethoxy-5,6,11,12-tetrahydro-5,11-epoxydibenzo[a,e][8]annulene-3,9-diol (CAS 1379610-45-3)
- 2,3,9,10-Tetramethoxy-5H-isoquinolino[3,2-a]isoquinolin-8(6H)-one (CAS 19716-59-7)
- 1,2,5,6-Tetramethoxy-4,8-dimethyl-9,10-dihydroanthracene (CAS 5417-26-5)
- 6,6',7,7'-Tetramethoxy-3,3',4,4a,4',8a-hexahydro-1,1'-biisoquinoline (CAS 490024-05-0)
- 3,3,14,14-Tetramethoxy-2,15-dioxa-3,14-disilahexadecane (CAS 122185-09-5)
- 3,3,12,12-Tetramethoxy-2,13-dioxa-3,12-disilatetradecane (CAS 105566-68-5)
- 1,1,3,3-Tetramethoxy-1,3-bis(3,3,3-trifluoropropyl)disiloxane (CAS 109961-44-6)
- 2,2',4,4'-Tetramethoxy-1,1'-biphenyl (CAS 3153-72-8)
Recommended Standards
- 3-(5-(3-(Benzylamino)-2-cyano-3-oxoprop-1-en-1-yl)furan-2-yl)benzoic acid (CAS 306312-89-0)
- 4-(4-(4-Methoxyphenyl)pyrimidin-2-yl)phenyl furan-2-carboxylate (CAS 477857-28-6)
- 3-(4-Fluoro-2-nitrophenoxy)-N-methyl-N-phenylthiophene-2-carboxamide (CAS 303152-72-9)
- 5,5'-(Phenylphosphinediyl)bis(2-(trifluoromethyl)pyridine) (CAS 2378344-74-0)
- 4-(((2S,6R)-2,6-dimethylmorpholino)methyl)benzoic acid (CAS 1335220-62-6)
- 2-(3-Nitrophenyl)-4-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 400075-08-3)
- 3-(3-Iodophenyl)-1-methyl-1H-1,2,4-triazole (CAS 1566309-87-2)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (5-(sec-butyl)-2-methylfuran-3-yl)boronate (CAS 2223003-30-1)
- Methyl 6-bromoimidazo[1,2-a]pyrimidine-2-carboxylate (CAS 1211519-98-0)
- Prolactin-Releasing Peptide (12-31), rat (CAS 222988-10-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com