304683-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 304683-12-3 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 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 304683-12:
(8*3)+(7*0)+(6*4)+(5*6)+(4*8)+(3*3)+(2*1)+(1*2)=123
123 % 10 = 3
So 304683-12-3 is a valid CAS Registry Number.