78306-72-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78306-72-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,0 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78306-72:
(7*7)+(6*8)+(5*3)+(4*0)+(3*6)+(2*7)+(1*2)=146
146 % 10 = 6
So 78306-72-6 is a valid CAS Registry Number.