13873-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13873-42-2 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 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13873-42:
(7*1)+(6*3)+(5*8)+(4*7)+(3*3)+(2*4)+(1*2)=112
112 % 10 = 2
So 13873-42-2 is a valid CAS Registry Number.