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High-Purity 5,7-Dimethoxyflavone (Chrysin Dimethyl Ether) CAS 21392-57-4 | CYP3A & BCRP Inhibitor
5,7-Dimethoxyflavone (CAS 21392-57-4), also known as Chrysin Dimethyl Ether, is a bioactive flavonoid derived from Kaempferia parviflora (Black Ginger). It potently inhibits CYP3A enzymes and Breast Cancer Resistance Protein (BCRP/ABCG2), showing promise in anti-obesity, anti-inflammatory, and anti-tumor research. With high purity (HPLC≥98%) and solubility in DMSO/chloroform, it is ideal for pharmaceutical and nutraceutical studies.
Product Name :
5,7-DIMETHOXYFLAVONE/ Chrysin Dimethyl EtherCAS No. :
21392-57-4Appearance :
Pale yellow crystalline powderSpecification :
98%*(5,7-Dihydroxy-4'-methoxyflavone)*
CAS No.: 21392-57-4
Molecular Formula: C??H??O?
Molecular Weight: 298.29

Potent Anti-Fibrotic & Neuroprotective Methylated Flavonoid
≥98% Pure: Pale yellow crystalline powder (HPLC-Validated Pharma Grade)
Mechanism-Confirmed Benefits:
Anti-Fibrotic Powerhouse
Neuroprotective Agent
Anti-Metastatic Action
Cardioprotective Effects
| Parameter | Detail |
|---|---|
| Purity | ≥98% (HPLC-ELSD) |
| Identification | HPLC-UV/ELSD, ¹³C-NM |
| Solubility | Soluble in DMSO (100 mg/mL), ethanol, acetone; insoluble in water (<0.01 g/L) |
| Melting Point | 263-265°C |
| UV Absorption | λ??? 268, 332 nm (MeOH) |
| Storage | 2–8°C (desiccated, amber glass; avoid light) |
| Shelf Life | 24 months |
| Industry | Use Cases |
|---|---|
| Pharmaceuticals | - IPF (Idiopathic Pulmonary Fibrosis) drug candidates - Neurodegenerative disease therapeutics |
| Cosmeceuticals | - Anti-scarring creams (keloid/hypertrophic scar) - Pollution-defense anti-aging serums |
| Nutraceuticals | - Liver/kidney detox formulations - Cognitive health supplements |
| Agrochemicals | - Equine pasture-associated fibrosis treatment - Canine cognitive dysfunction support |
Dual Organ Targeting
Enhanced Bioavailability
Sustainable Sourcing
Synergistic Potential
| Goods weight |
Packing |
Shipping method |
Lead-time |
| 1–100 mg |
Amber glass vials (vacuum-sealed) |
Dry ice express |
3~5 days after your payment |
| 100 mg–1k g |
Aluminum foil bags (O? absorber) |
Air shipping | 3~5 days after your payment |
| >1k g |
Vacuum-sealed steel drums |
Air shipping |
5~7 days after your payment |

Q1: Could you provide free samples for test?