1178531-12-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1178531-12-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,8,5,3 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1178531-12:
(9*1)+(8*1)+(7*7)+(6*8)+(5*5)+(4*3)+(3*1)+(2*1)+(1*2)=158
158 % 10 = 8
So 1178531-12-8 is a valid CAS Registry Number.