743359-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 743359-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,3,3,5 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 743359-40:
(8*7)+(7*4)+(6*3)+(5*3)+(4*5)+(3*9)+(2*4)+(1*0)=172
172 % 10 = 2
So 743359-40-2 is a valid CAS Registry Number.