40773-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40773-09-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,7,7 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 40773-09:
(7*4)+(6*0)+(5*7)+(4*7)+(3*3)+(2*0)+(1*9)=109
109 % 10 = 9
So 40773-09-9 is a valid CAS Registry Number.