1993017-93-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1993017-93-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,9,9,3,0,1 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1993017-93:
(9*1)+(8*9)+(7*9)+(6*3)+(5*0)+(4*1)+(3*7)+(2*9)+(1*3)=208
208 % 10 = 8
So 1993017-93-8 is a valid CAS Registry Number.