1698653-24-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1698653-24-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,9,8,6,5 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1698653-24:
(9*1)+(8*6)+(7*9)+(6*8)+(5*6)+(4*5)+(3*3)+(2*2)+(1*4)=235
235 % 10 = 5
So 1698653-24-5 is a valid CAS Registry Number.