425642-48-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 425642-48-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,5,6,4 and 2 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 425642-48:
(8*4)+(7*2)+(6*5)+(5*6)+(4*4)+(3*2)+(2*4)+(1*8)=144
144 % 10 = 4
So 425642-48-4 is a valid CAS Registry Number.