1221486-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1221486-57-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,4,8 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1221486-57:
(9*1)+(8*2)+(7*2)+(6*1)+(5*4)+(4*8)+(3*6)+(2*5)+(1*7)=132
132 % 10 = 2
So 1221486-57-2 is a valid CAS Registry Number.