931374-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 931374-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,1,3,7 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 931374-31:
(8*9)+(7*3)+(6*1)+(5*3)+(4*7)+(3*4)+(2*3)+(1*1)=161
161 % 10 = 1
So 931374-31-1 is a valid CAS Registry Number.