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898254-22-3

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898254-22-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 898254-22-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,8,2,5 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 898254-22:
(8*8)+(7*9)+(6*8)+(5*2)+(4*5)+(3*4)+(2*2)+(1*2)=223
223 % 10 = 3
So 898254-22-3 is a valid CAS Registry Number.

898254-22-3Downstream Products

898254-22-3Relevant articles and documents

Structural Analysis of Potent Hybrid HIV-1 Protease Inhibitors Containing Bis-tetrahydrofuran in a Pseudosymmetric Dipeptide Isostere

Rusere, Linah N.,Lockbaum, Gordon J.,Henes, Mina,Lee, Sook-Kyung,Spielvogel, Ean,Rao, Desaboini Nageswara,Kosovrasti, Klajdi,Nalivaika, Ellen A.,Swanstrom, Ronald,Kurt Yilmaz, Nese,Schiffer, Celia A.,Ali, Akbar

, p. 8296 - 8313 (2020/09/22)

The design, synthesis, and X-ray structural analysis of hybrid HIV-1 protease inhibitors (PIs) containing bis-tetrahydrofuran (bis-THF) in a pseudo-C2-symmetric dipeptide isostere are described. A series of PIs were synthesized by incorporating bis-THF of darunavir on either side of the Phe-Phe isostere of lopinavir in combination with hydrophobic amino acids on the opposite P2/P2′ position. Structure-activity relationship studies indicated that the bis-THF moiety can be attached at either the P2 or P2′ position without significantly affecting potency. However, the group on the opposite P2/P2′ position had a dramatic effect on potency depending on the size and shape of the side chain. Cocrystal structures of inhibitors with wild-type HIV-1 protease revealed that the bis-THF moiety retained similar interactions as observed in the darunavir-protease complex regardless of the position on the Phe-Phe isostere. Analyses of cocrystal structures and molecular dynamics simulations provide insights into optimizing HIV-1 PIs containing bis-THF in non-sulfonamide dipeptide isosteres.

Anti-coronavirus compounds

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Page/Page column 11, (2008/06/13)

A method of treating coronavirus infection. The method includes administering to a subject suffering from or being at risk of suffering from such infection an effective amount of a compound of formula (I). Each variable in this formula is defined in the specification.

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