102003-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102003-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,0,0 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 102003-50:
(8*1)+(7*0)+(6*2)+(5*0)+(4*0)+(3*3)+(2*5)+(1*0)=39
39 % 10 = 9
So 102003-50-9 is a valid CAS Registry Number.