197641-12-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197641-12-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,6,4 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 197641-12:
(8*1)+(7*9)+(6*7)+(5*6)+(4*4)+(3*1)+(2*1)+(1*2)=166
166 % 10 = 6
So 197641-12-6 is a valid CAS Registry Number.