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6121-17-1

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6121-17-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6121-17-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,2 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6121-17:
(6*6)+(5*1)+(4*2)+(3*1)+(2*1)+(1*7)=61
61 % 10 = 1
So 6121-17-1 is a valid CAS Registry Number.

6121-17-1Downstream Products

6121-17-1Relevant articles and documents

Synthesis of Biuret Derivatives as Potential HIV-1 Protease Inhibitors Using (LDHs-g-HMDI-Citric Acid), as a Green Recyclable Catalyst

Ghiasifar, Zahra,Salehabadi, Hafezeh,Adibpour, Neda,Alipour, Eskandar,Kobarfard, Farzad,Shoushizadeh, Mohammad Reza

, p. 48 - 59 (2020/12/07)

In this study, a novel catalyst based on layered double hydroxides (LDHs) attached by hexamethylene-1,6-diisocyanate (HMDI) and citric acid (LDHs-g-HMDI-Citric acid) is reported and used to increase the yield of biurets synthesis. Biuret derivatives 5a–n were prepared by reaction of several phenyl allophanates (3a–d), which prepared from the reaction of phenyl chloroformate and urea derivatives (2a–d), with variously substituted amines (4a–g) in the presence of LDHs-g-HMDI-Citric acid as a reusable heterogeneous catalyst at reflux condition for 60–180 min. These biurets (5a–n) were evaluated for human immunodeficiency virus type-1 (HIV-1) protease inhibitory activity by HIV-1 p24 antigen ELISA kit and six of them (5n, 5i, 5j, 5 m, 5f, and 5a) showed moderate activity on HIV-1 virus with IC50 values ranging from 55 to 100 μM compared with the azidothymidine as the reference drug (IC50 = 0.11 μM). Results of the in vitro test and docking study were in good correlation.

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