502434-98-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502434-98-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,4,3 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 502434-98:
(8*5)+(7*0)+(6*2)+(5*4)+(4*3)+(3*4)+(2*9)+(1*8)=122
122 % 10 = 2
So 502434-98-2 is a valid CAS Registry Number.