78662-36-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78662-36-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,6 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78662-36:
(7*7)+(6*8)+(5*6)+(4*6)+(3*2)+(2*3)+(1*6)=169
169 % 10 = 9
So 78662-36-9 is a valid CAS Registry Number.