13975-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13975-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,7 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13975-43:
(7*1)+(6*3)+(5*9)+(4*7)+(3*5)+(2*4)+(1*3)=124
124 % 10 = 4
So 13975-43-4 is a valid CAS Registry Number.