1291411-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1291411-31-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,1,4,1 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1291411-31:
(9*1)+(8*2)+(7*9)+(6*1)+(5*4)+(4*1)+(3*1)+(2*3)+(1*1)=128
128 % 10 = 8
So 1291411-31-8 is a valid CAS Registry Number.