307340-04-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 307340-04-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,7,3,4 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 307340-04:
(8*3)+(7*0)+(6*7)+(5*3)+(4*4)+(3*0)+(2*0)+(1*4)=101
101 % 10 = 1
So 307340-04-1 is a valid CAS Registry Number.