13891-41-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13891-41-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,8,9 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13891-41:
(7*1)+(6*3)+(5*8)+(4*9)+(3*1)+(2*4)+(1*1)=113
113 % 10 = 3
So 13891-41-3 is a valid CAS Registry Number.