743355-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 743355-59-1 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 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 743355-59:
(8*7)+(7*4)+(6*3)+(5*3)+(4*5)+(3*5)+(2*5)+(1*9)=171
171 % 10 = 1
So 743355-59-1 is a valid CAS Registry Number.