5440-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5440-64-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,4,4 and 0 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5440-64:
(6*5)+(5*4)+(4*4)+(3*0)+(2*6)+(1*4)=82
82 % 10 = 2
So 5440-64-2 is a valid CAS Registry Number.
InChI:InChI=1/C6H7NO3S/c7-4-11-3-5(8)1-2-6(9)10/h1-3H2,(H,9,10)