40739-76-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40739-76-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,7,3 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 40739-76:
(7*4)+(6*0)+(5*7)+(4*3)+(3*9)+(2*7)+(1*6)=122
122 % 10 = 2
So 40739-76-2 is a valid CAS Registry Number.