500103-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500103-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,1,0 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 500103-90:
(8*5)+(7*0)+(6*0)+(5*1)+(4*0)+(3*3)+(2*9)+(1*0)=72
72 % 10 = 2
So 500103-90-2 is a valid CAS Registry Number.