502143-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502143-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,1,4 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 502143-93:
(8*5)+(7*0)+(6*2)+(5*1)+(4*4)+(3*3)+(2*9)+(1*3)=103
103 % 10 = 3
So 502143-93-3 is a valid CAS Registry Number.