1023310-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1023310-87-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,3,1 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1023310-87:
(9*1)+(8*0)+(7*2)+(6*3)+(5*3)+(4*1)+(3*0)+(2*8)+(1*7)=83
83 % 10 = 3
So 1023310-87-3 is a valid CAS Registry Number.