196197-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196197-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,1,9 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 196197-57:
(8*1)+(7*9)+(6*6)+(5*1)+(4*9)+(3*7)+(2*5)+(1*7)=186
186 % 10 = 6
So 196197-57-6 is a valid CAS Registry Number.