42598-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42598-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,5,9 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42598-83:
(7*4)+(6*2)+(5*5)+(4*9)+(3*8)+(2*8)+(1*3)=144
144 % 10 = 4
So 42598-83-4 is a valid CAS Registry Number.