For research use only. Not for therapeutic Use.
3-O-Methylquercetin (3-MQ) is a major component from the plant Rhamnus nakaharai and has antiviral activity and potential antiasthmatic efficacy. 3-O-Methylquercetin inhibits total cAMP and cGMP-phosphodiesterase (PDE). The IC50 values of 3-O-Methylquercetin (3-MQ) against PDE1-PDE5 are in the range of 1.6-86.9 μM. 3-O-Methylquercetin is a non-competitive inhibitor of PDE2 and a competitive inhibitor of PDE4[1].
| Catalog Number | R054047 |
| CAS Number | 1486-70-0 |
| Synonyms | 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one |
| Molecular Formula | C16H12O7 |
| Purity | ≥95% |
| InChI | InChI=1S/C16H12O7/c1-22-16-14(21)13-11(20)5-8(17)6-12(13)23-15(16)7-2-3-9(18)10(19)4-7/h2-6,17-20H,1H3 |
| InChIKey | WEPBGSIAWZTEJR-UHFFFAOYSA-N |
| SMILES | COC1=C(OC2=CC(=CC(=C2C1=O)O)O)C3=CC(=C(C=C3)O)O |
| Reference | [1]. Wun-Chang Ko, et al. 3-O-methylquercetin More Selectively Inhibits Phosphodiesterase Subtype 3. Planta Med. 2003 Apr;69(4):310-5. |
