Rosmarinic acid (R)-rosmarinic acid 20283-92-5
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(R)-alpha-[3-(3,4-Dihydroxyphenyl)-1-oxo-2E-propenyl]oxy-3,4-dihydroxybenzenepropanoic acid)
CAS Number:20283-92-5;Formula:C18H16O8;Molecular weight:360.31
Descripition:Pale yellow to yellow powder
Moisture:n.m.t. 3.0%
Heavy metals:n.m.t. 20 ppm
Sulphated ash:n.m.t. 1.0%
Arsenic salt:n.m.t. 2 ppm
Assay:20%/30%(as dry basis)
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