Chemical Name:O-4,6-dideoxy-4-[(1S,4R,5S,6S)-4,5,6-trihydroxy-3(hydroxymethy1)-2-cyclohexen-1-y1-amino]-a-D-glucopyranosy1-(14)-O-a-D-glucopyranosy1-(14)-D-glucose Chemical formula:C25H43NO18 Molecular weight:645.63 Description:White or whitish powder, non-odor. Specification:It contains Acarbose not less than 95%. Usage:Antidiabetic drug. Dosage form:Tablet. Dosage：The usual dose is 50 to 100mg,up to 3 times daily by mouth. Storage:Protected from light,perserved in well-closed container. Package:Tin 1kg,5kg. Period of store:2 years.