256221-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 256221-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,2,2 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 256221-51:
(8*2)+(7*5)+(6*6)+(5*2)+(4*2)+(3*1)+(2*5)+(1*1)=119
119 % 10 = 9
So 256221-51-9 is a valid CAS Registry Number.
256221-51-9Relevant academic research and scientific papers
Sultams: Solid phase and other synthesis of anti-HIV compounds and compositions
-
Page column 10, (2010/02/05)
Biologically active sultams are disclosed which have potent anti-HIV activity. A combinational method of synthesis, which uses a solid support and variants thereof, are described. Biological compositions and method of treating mammals for viral infections
