10502-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10502-39-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,5,0 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 10502-39:
(7*1)+(6*0)+(5*5)+(4*0)+(3*2)+(2*3)+(1*9)=53
53 % 10 = 3
So 10502-39-3 is a valid CAS Registry Number.