23107-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23107-03-1 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 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 23107-03:
(7*2)+(6*3)+(5*1)+(4*0)+(3*7)+(2*0)+(1*3)=61
61 % 10 = 1
So 23107-03-1 is a valid CAS Registry Number.