The CAS Registry Mumber 123218-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,2,1 and 8 respectively; the second part has 2 digits, 0 and 3 respectively. Calculate Digit Verification of CAS Registry Number 123218-03: (8*1)+(7*2)+(6*3)+(5*2)+(4*1)+(3*8)+(2*0)+(1*3)=81 81 % 10 = 1 So 123218-03-1 is a valid CAS Registry Number.
Get Best Price for123218-03-1rac-5β<<(tert-Butyl)dimethylsilyl>oxy>-4α-ethinyl-1,4,4a,5,6,7,8,8aα-octahydro-4-hydroxy-3,4aα,8,8-tetramethylnaphthalin-1(4H)-on