197571-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197571-65-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,5,7 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 197571-65:
(8*1)+(7*9)+(6*7)+(5*5)+(4*7)+(3*1)+(2*6)+(1*5)=186
186 % 10 = 6
So 197571-65-6 is a valid CAS Registry Number.