23103-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23103-18-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,1,0 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23103-18:
(7*2)+(6*3)+(5*1)+(4*0)+(3*3)+(2*1)+(1*8)=56
56 % 10 = 6
So 23103-18-6 is a valid CAS Registry Number.