256221-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 256221-55-3 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 256221-55:
(8*2)+(7*5)+(6*6)+(5*2)+(4*2)+(3*1)+(2*5)+(1*5)=123
123 % 10 = 3
So 256221-55-3 is a valid CAS Registry Number.
256221-55-3Relevant academic research and scientific papers
Sultams: Solid phase and other synthesis of anti-HIV compounds and compositions
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Page 7, (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
