15304-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15304-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,3,0 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15304-09:
(7*1)+(6*5)+(5*3)+(4*0)+(3*4)+(2*0)+(1*9)=73
73 % 10 = 3
So 15304-09-3 is a valid CAS Registry Number.