1073340-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1073340-40-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,3,3,4 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1073340-40:
(9*1)+(8*0)+(7*7)+(6*3)+(5*3)+(4*4)+(3*0)+(2*4)+(1*0)=115
115 % 10 = 5
So 1073340-40-5 is a valid CAS Registry Number.