91682-45-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91682-45-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,8 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91682-45:
(7*9)+(6*1)+(5*6)+(4*8)+(3*2)+(2*4)+(1*5)=150
150 % 10 = 0
So 91682-45-0 is a valid CAS Registry Number.