82197-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82197-74-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,9 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 82197-74:
(7*8)+(6*2)+(5*1)+(4*9)+(3*7)+(2*7)+(1*4)=148
148 % 10 = 8
So 82197-74-8 is a valid CAS Registry Number.