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4087-62-1

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4087-62-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4087-62-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,8 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4087-62:
(6*4)+(5*0)+(4*8)+(3*7)+(2*6)+(1*2)=91
91 % 10 = 1
So 4087-62-1 is a valid CAS Registry Number.

4087-62-1Relevant articles and documents

Structural optimization of natural product nordihydroguaretic acid to discover novel analogues as AcrB inhibitors

Alenzy, Rawaf,Liu, Xingbang,Ma, Shutao,Ma, Yingang,Mowla, Rumana,Polyak, Steven W.,Song, Di,Teng, Yuetai,Venter, Henrietta,Wang, Yinhu

, (2019/12/24)

Drug efflux pumps confer multidrug resistance to dangerous bacterial pathogens which makes these proteins promising drug targets. Herein, we present initial chemical optimization and structure-activity relationship (SAR) data around a previously described efflux pump inhibitor, nordihydroguaretic acid (NDGA). Four series of novel NDGA analogues that target Escherichia coli AcrB were designed, synthesized and evaluated for their ability to potentiate the activity of antibiotics, to inhibit AcrB-mediated substrate efflux and reduce off-target activity. Nine novel structures were identified that increased the efficacy of a panel of antibiotics, inhibited drug efflux and reduced permeabilization of the bacterial outer and inner membranes. Among them, WA7, WB11 and WD6 possessing broad-spectrum antimicrobial sensitization activity were identified as NDGA analogues with favorable properties as potential AcrB inhibitors, demonstrating moderate improvement in potency as compared to NDGA. In particular, WD6 was the most broadly active analogue improving the activity of all four classes of antibacterials tested.

Synthesis and biological evaluation of chalcone, dihydrochalcone, and 1,3-diarylpropane analogs as anti-inflammatory agents

Vijaya Bhaskar Reddy, Mopur,Hung, Hsin-Yi,Kuo, Ping-Chung,Huang, Guan-Jhong,Chan, Yu-Yi,Huang, Shiow-Chyn,Wu, Shwu-Jen,Morris-Natschke, Susan L.,Lee, Kuo-Hsiung,Wu, Tian-Shung

, p. 1547 - 1550 (2017/03/17)

Twenty-one chalcones were prepared via aldol condensation and subsequent reduction of these compound led to the corresponding dihydrochalcone and 1,3-diphenylpropane derivatives. The synthetic products were examined for their effects on NO inhibition in L

A synthesis of 10,11 dihydro 2,3,7,8 tetramethoxy 10,5 (N methyliminomethano) 5H,12H dibenzo[a,d]cyclooctene (homoisopavine) (Studies on the syntheses of heterocyclic compounds. CDLVI (Japanese)

Kametani,Mizushima,Takano

, p. 204 - 206 (2007/10/11)

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