197901-27-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197901-27-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,9,0 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 197901-27:
(8*1)+(7*9)+(6*7)+(5*9)+(4*0)+(3*1)+(2*2)+(1*7)=172
172 % 10 = 2
So 197901-27-2 is a valid CAS Registry Number.