502842-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502842-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,8,4 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 502842-03:
(8*5)+(7*0)+(6*2)+(5*8)+(4*4)+(3*2)+(2*0)+(1*3)=117
117 % 10 = 7
So 502842-03-7 is a valid CAS Registry Number.