304687-12-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 304687-12-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,4,6,8 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 304687-12:
(8*3)+(7*0)+(6*4)+(5*6)+(4*8)+(3*7)+(2*1)+(1*2)=135
135 % 10 = 5
So 304687-12-5 is a valid CAS Registry Number.