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ethyl 4-((3-(4-ethoxy-4-oxobutoxy)phenyl)oxy)butanoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221684-09-9

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221684-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221684-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,6,8 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 221684-09:
(8*2)+(7*2)+(6*1)+(5*6)+(4*8)+(3*4)+(2*0)+(1*9)=119
119 % 10 = 9
So 221684-09-9 is a valid CAS Registry Number.

221684-09-9Relevant academic research and scientific papers

Design, synthesis, and evaluation of conformationally constrained tongs, new inhibitors of HIV-1 protease dimerization

Bouras, Ahmed,Boggetto, Nicole,Benatalah, Zohra,De Rosny, Eve,Sicsic, Sames,Reboud-Ravaux, Michèle

, p. 957 - 962 (1999)

The active form of human immunodeficiency virus type 1 protease (HIV-1 PR) is a homodimeric structure in which two subunits are linked through a two-stranded antiparallel β-sheet consisting of the N- and C-termini of each monomer. To inhibit the dimerizat

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