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Ampelopsin, also known as dihydromyricetin and DHM, when purported as an effective ingredient in supplements and other tonics, is a flavanonol, a type of flavonoid. It is found in the Ampelopsis species japonica, megalophylla, and grossedentata; Cercidiphyllum japonicum; Hovenia dulcis; Rhododendron cinnabarinum; some Pinus species; and some Cedrus species, as well as in Salix sachalinensis.

Hovenia dulcis has been used in traditional Japanese, Chinese, and Korean medicines to treat fever, parasitic infection, as a laxative, and a treatment of liver diseases, and as a hangover treatment. Methods have been developed to extract ampelopsin from it at large scales, and laboratory research has been conducted with the compound to see if it might be useful as a drug in any of the conditions for which the parent plant has been traditionally used.

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1000In Stock Manufactured by: Dihydromyricetin

IUPAC name 27200-12-0
Canonical SMILES C1=C(C=C(C(=C1O)O)O)C2C(C(=O)C3=C(C=C(C=C3O2)O)O)O
SMILES C1=C(C=C(C(=C1O)O)O)C2C(C(=O)C3=C(C=C(C=C3O2)O)O)O
CAS Number (2R,3R)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-2,3-dihydrochromen-4-one
Chemical Class Nootropics
Chemical name Ampelopsin, also known as dihydromyricetin and DHM
Density 1.8±0.1 g/cm3
Flash Point: 296.7±26.4 °C
Formula C15-H12-O8
Molar mass 320.253 g·mol−1
Molar Refractivity: 75.6±0.3 cm3
Purity 99.98
Chem Spider number 16735660
Index of Refraction: 1.798
InChI InChI=1S/C15H12O8/c16-6-3-7(17)11-10(4-6)23-15(14(22)13(11)21)5-1-8(18)12(20)9(19)2-5/h1-4,14-20,22H/t14-,15+/m0/s1
Enthalpy of Vaporization: 119.2±3.0 kJ/mol
PubChem CID 161557
UNII KD8QND6427
Vapour Pressure: 0.0±2.8 mmHg at 25°C
Form Capsules
Isomeric SMILES C1=C(C=C(C(=C1O)O)O)[C@@H]2[C@H](C(=O)C3=C(C=C(C=C3O2)O)O)O