102317-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102317-87-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,3,1 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 102317-87:
(8*1)+(7*0)+(6*2)+(5*3)+(4*1)+(3*7)+(2*8)+(1*7)=83
83 % 10 = 3
So 102317-87-3 is a valid CAS Registry Number.