743441-85-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 743441-85-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,3,4,4 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 743441-85:
(8*7)+(7*4)+(6*3)+(5*4)+(4*4)+(3*1)+(2*8)+(1*5)=162
162 % 10 = 2
So 743441-85-2 is a valid CAS Registry Number.