93191-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93191-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,1,9 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 93191-12:
(7*9)+(6*3)+(5*1)+(4*9)+(3*1)+(2*1)+(1*2)=129
129 % 10 = 9
So 93191-12-9 is a valid CAS Registry Number.