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91589-24-1

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91589-24-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91589-24-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,8 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91589-24:
(7*9)+(6*1)+(5*5)+(4*8)+(3*9)+(2*2)+(1*4)=161
161 % 10 = 1
So 91589-24-1 is a valid CAS Registry Number.

91589-24-1Relevant articles and documents

Benzisothiazole hypoxia-inducible factor 2 agonist compound or pharmaceutically acceptable salt, preparation method and application thereof

-

Paragraph 0101-0105, (2021/08/06)

The invention discloses a benzisothiazole hypoxia-inducible factor 2 agonist compound or a pharmaceutically acceptable salt thereof, the compound can stimulate the transcriptional activity of a hypoxia-inducible factor 2 and enhance the generation and secretion of erythropoietin so as to promote the generation of erythrocytes; the prepared benzisothiazole hypoxia-inducible factor 2 agonist compound or the pharmaceutically acceptable salt thereof can be combined with a prolyl hydroxylase inhibitor to play a synergistic role in improving the transcriptional activity of HIF-2, and can be used for treating hypoxia-inducible factor 2 related diseases, such as ischemic diseases and the like.

Enantioselective Reductive Coupling of Imines Templated by Chiral Diboron

Chen, Dongping,Li, Kaidi,Tang, Wenjun,Xu, Guangqing,Xu, Ronghua,Zhou, Mingkang

supporting information, p. 10337 - 10342 (2020/07/04)

We herein report a general, practical, and highly efficient method for asymmetric synthesis of a wide range of chiral vicinal diamines via reductive coupling of imines templated by chiral diboron. The protocol features high enantioselectivity and stereospecificity, mild reaction conditions, simple operating procedures, use of readily available starting materials, and a broad substrate scope. The method signifies the generality of diboron-enabled [3,3]-sigmatropic rearrangement.

Structural characteristics and catalytic performance of nanostructured Mn-doped CeO2 solid solutions towards oxidation of benzylamine by molecular O2

Rangaswamy, Agolu,Venkataswamy, Perala,Devaiah, Damma,Ramana, Singuru,Reddy, Benjaram M.

, p. 136 - 147 (2017/01/03)

This work reports a thorough investigation of nanosized Mn-doped ceria (Ce0.7Mn0.3O2-δ, CM) as an efficient catalyst for oxidation of benzylamine under solvent-free conditions. These catalysts were prepared by a coprecipitation method followed by calcination at 773 and 1073?K. Effect of Mn doping was examined by a variety of characterization techniques. XRD results confirmed formation of single-phase Ce-O-Mn solid solution, and TEM studies showed nanosized nature of particles. BET surface area of CeO2 was significantly enhanced after Mn incorporation. Raman, XPS and H2-TPR results revealed that Mn cations in ceria lattice increase concentration of structural oxygen vacancies and reducibility of ceria. Among various catalysts, the CM calcined at 773?K exhibited a high conversion (~71%), product selectivity (~99.8%), and excellent stability. The better performance has been proved to be due to synergetic interaction between Ce and Mn ions thereby enhanced surface area, improved reducibility, and increased surface adsorbed oxygen species.

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