The CAS Registry Mumber 68423-52-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,4,2 and 3 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 68423-52: (7*6)+(6*8)+(5*4)+(4*2)+(3*3)+(2*5)+(1*2)=139 139 % 10 = 9 So 68423-52-9 is a valid CAS Registry Number.
Get Best Price for68423-52-9(Ξ)-2-benzyloxy-2-(3-hydroxy-3-methyl-butyl)-succinic acid 1-((3aR)-2-methoxy-(3arC4,14bc)-1,5,6,8,9,14b-hexahydro-4H-cyclopenta[b][1,3]dioxolo[4',5':4,5]benzo[1,2-d]pyrrolo[1,2-a]azepin-1t-yl) ester 4-methyl ester