1213063-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1213063-91-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,0,6 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1213063-91:
(9*1)+(8*2)+(7*1)+(6*3)+(5*0)+(4*6)+(3*3)+(2*9)+(1*1)=102
102 % 10 = 2
So 1213063-91-2 is a valid CAS Registry Number.