12303-45-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12303-45-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,3,0 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 12303-45:
(7*1)+(6*2)+(5*3)+(4*0)+(3*3)+(2*4)+(1*5)=56
56 % 10 = 6
So 12303-45-6 is a valid CAS Registry Number.