307306-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 307306-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,7,3,0 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 307306-66:
(8*3)+(7*0)+(6*7)+(5*3)+(4*0)+(3*6)+(2*6)+(1*6)=117
117 % 10 = 7
So 307306-66-7 is a valid CAS Registry Number.