91974-02-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91974-02-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,7 and 4 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91974-02:
(7*9)+(6*1)+(5*9)+(4*7)+(3*4)+(2*0)+(1*2)=156
156 % 10 = 6
So 91974-02-6 is a valid CAS Registry Number.