103502-88-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103502-88-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,5,0 and 2 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103502-88:
(8*1)+(7*0)+(6*3)+(5*5)+(4*0)+(3*2)+(2*8)+(1*8)=81
81 % 10 = 1
So 103502-88-1 is a valid CAS Registry Number.