15445-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15445-98-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,4,4 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 15445-98:
(7*1)+(6*5)+(5*4)+(4*4)+(3*5)+(2*9)+(1*8)=114
114 % 10 = 4
So 15445-98-4 is a valid CAS Registry Number.