199617-32-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199617-32-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,6,1 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 199617-32:
(8*1)+(7*9)+(6*9)+(5*6)+(4*1)+(3*7)+(2*3)+(1*2)=188
188 % 10 = 8
So 199617-32-8 is a valid CAS Registry Number.