13872-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13872-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,8,7 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13872-98:
(7*1)+(6*3)+(5*8)+(4*7)+(3*2)+(2*9)+(1*8)=125
125 % 10 = 5
So 13872-98-5 is a valid CAS Registry Number.