502704-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502704-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,7,0 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 502704-72:
(8*5)+(7*0)+(6*2)+(5*7)+(4*0)+(3*4)+(2*7)+(1*2)=115
115 % 10 = 5
So 502704-72-5 is a valid CAS Registry Number.