The CAS Registry Mumber 211803-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,8,0 and 3 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 211803-45: (8*2)+(7*1)+(6*1)+(5*8)+(4*0)+(3*3)+(2*4)+(1*5)=91 91 % 10 = 1 So 211803-45-1 is a valid CAS Registry Number.
Get Best Price for211803-45-1(2R,3R)-2,3-Dihydroxy-3-((3aS,3bR,7aS,8aS)-2,2,5,5-tetramethyl-tetrahydro-[1,3]dioxolo[4,5]furo[3,2-d][1,3]dioxin-8a-yl)-propionic acid methyl ester