1403559-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1403559-99-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,3,5,5 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1403559-99:
(9*1)+(8*4)+(7*0)+(6*3)+(5*5)+(4*5)+(3*9)+(2*9)+(1*9)=158
158 % 10 = 8
So 1403559-99-8 is a valid CAS Registry Number.