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139276-16-7

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139276-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139276-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,7 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 139276-16:
(8*1)+(7*3)+(6*9)+(5*2)+(4*7)+(3*6)+(2*1)+(1*6)=147
147 % 10 = 7
So 139276-16-7 is a valid CAS Registry Number.

139276-16-7Relevant articles and documents

An Aurone-derived Low-molecular-weight Fluorescence Probe for the Detection of Hg2+ in Aqueous Solution and Living Cells

Zhang, Min,Bao, Yong-Tuan,Yang, Wenbo,Xiao, Hui-Feng,Han, Zhi-Xiang,Wu, Xiangyang,Yang, Liuqing

, p. 1130 - 1135 (2018)

A low-molecular-weight fluorescent probe 1 (M.W.?=?238.24) based on aurone was synthesized, and its application in fluorescent detection of Hg2+ in aqueous solution and living cells was reported. It exhibited an “on–off” fluorescent response to

Synthesis, characterization, and anticancer effect of trifluoromethylated aurone derivatives

Zheng, Xing,Wang, Hui,Liu, Yun-Mei,Yao, Xu,Tong, Min,Wang, Yu-Hong,Liao, Duan-Fang

, p. 296 - 301 (2015)

A series of trifluoromethylated aurone derivatives were synthesized, and the structure of 6-hydroxy- 4-trifluoromethylated aurone was determined by single crystal X-ray analysis. Their anticancer activities against leucocythemia (HL-60) and colorectal ade

Azaaurones as Potent Antimycobacterial Agents Active against MDR- and XDR-TB

Campani?o, André,Carrasco, Marta P.,Njoroge, Mathew,Seldon, Ronnett,Chibale, Kelly,Perdig?o, Jo?o,Portugal, Isabel,Warner, Digby F.,Moreira, Rui,Lopes, Francisca

, p. 1537 - 1546 (2019/08/02)

Herein we report the screening of a small library of aurones and their isosteric counterparts, azaaurones and N-acetylazaaurones, against Mycobacterium tuberculosis. Aurones were found to be inactive at 20 μm, whereas azaaurones and N-acetylazaaurones emerged as the most potent compounds, with nine derivatives displaying MIC99 values ranging from 0.4 to 2.0 μm. In addition, several N-acetylazaaurones were found to be active against multidrug-resistant (MDR) and extensively drug-resistant (XDR) clinical M. tuberculosis isolates. The antimycobacterial mechanism of action of these compounds remains to be determined; however, a preliminary mechanistic study confirmed that they do not inhibit the mycobacterial cytochrome bc1 complex. Additionally, microsomal metabolic stability and metabolite identification studies revealed that N-acetylazaaurones are deacetylated to their azaaurone counterparts. Overall, these results demonstrate that azaaurones and their N-acetyl counterparts represent a new entry in the toolbox of chemotypes capable of inhibiting M. tuberculosis growth.

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