20443-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20443-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,4 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20443-68:
(7*2)+(6*0)+(5*4)+(4*4)+(3*3)+(2*6)+(1*8)=79
79 % 10 = 9
So 20443-68-9 is a valid CAS Registry Number.
20443-68-9Relevant articles and documents
Synthesis of amino acid derivatives of 6-aminoquinoline antimalarial agents
Jiranusornkul, Supat,Sirithunyalug, Busaban,Nemoto, Hideo,Takahata, Hiroki
, p. 487 - 496 (2007/10/03)
Six new 6-aminoquinoline derivatives with amino acid in basic side chain were synthesized in order to modify their biological activities.