197099-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197099-29-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,0,9 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 197099-29:
(8*1)+(7*9)+(6*7)+(5*0)+(4*9)+(3*9)+(2*2)+(1*9)=189
189 % 10 = 9
So 197099-29-9 is a valid CAS Registry Number.