97169-85-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97169-85-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,1,6 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 97169-85:
(7*9)+(6*7)+(5*1)+(4*6)+(3*9)+(2*8)+(1*5)=182
182 % 10 = 2
So 97169-85-2 is a valid CAS Registry Number.