193898-08-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193898-08-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,8,9 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 193898-08:
(8*1)+(7*9)+(6*3)+(5*8)+(4*9)+(3*8)+(2*0)+(1*8)=197
197 % 10 = 7
So 193898-08-7 is a valid CAS Registry Number.