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147821-43-0

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147821-43-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147821-43-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,8,2 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 147821-43:
(8*1)+(7*4)+(6*7)+(5*8)+(4*2)+(3*1)+(2*4)+(1*3)=140
140 % 10 = 0
So 147821-43-0 is a valid CAS Registry Number.

147821-43-0Downstream Products

147821-43-0Relevant articles and documents

Aromatase inhibitors: Synthesis, biological activity, and binding mode of azole-type compounds

Furet,Batzl,Bhatnagar,Francotte,Rihs,Lang

, p. 1393 - 1400 (1993)

The enantiomers of the potent nonsteroidal inhibitor of aromatase fadrozole hydrochloride 3 have been separated and their absolute configuration determined by X-ray crystallography. On the basis of a molecular modeling comparison of the active enantiomer

Copper-catalyzed synthesis of arylcarboxamides from aldehydes and isocyanides: The isocyano group as an N1 synthon

Liu, Jian-Quan,Shen, Xuanyu,Liu, Zhenhua,Wang, Xiang-Shan

supporting information, p. 6314 - 6317 (2017/08/10)

An interesting radical coupling reaction of aromatic aldehydes with isocyanides was disclosed for the synthesis of amides catalyzed by copper. According to the experimental results and mechanistic study, the isocyano group acted as an N1 synthon rather than exhibiting the carbene-like reactivity, exploiting a new reactivity profile of isocyanides.

Combining Eosin y with Selectfluor: A Regioselective Brominating System for Para-Bromination of Aniline Derivatives

Huang, Binbin,Zhao, Yating,Yang, Chao,Gao, Yuan,Xia, Wujiong

, p. 3799 - 3802 (2017/07/26)

A mild, metal-free, and absolutely para-selective bromination of aniline derivatives has been developed in excellent yields, wherein the organic dye Eosin Y is employed as the bromine source in company with Selectfluor. Neither air nor moisture sensitive, this facile reaction proceeds smoothly at room temperature and completes within a short time. Mechanistic studies indicate a radical pathway; therefore, the existence of an in situ generated brominating reagent, "Selectbrom", is postulated, which may reasonably account for the unique regioselectivity for the para-bromination of N-acyl- as well as N-sulfonylanilines.

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