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491601-38-8

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491601-38-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 491601-38-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,1,6,0 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 491601-38:
(8*4)+(7*9)+(6*1)+(5*6)+(4*0)+(3*1)+(2*3)+(1*8)=148
148 % 10 = 8
So 491601-38-8 is a valid CAS Registry Number.

491601-38-8Relevant articles and documents

Copper-Catalyzed Enantioselective C-H Arylation between 2-Arylindoles and Hypervalent Iodine Reagents

Liang, Hao,Zhu, Guoxun,Pu, Xiaoyun,Qiu, Liqin

, p. 9246 - 9250 (2021/12/06)

The copper-catalyzed enantioselective C-H arylation between 2-arylindoles and hypervalent iodine reagents has been successfully developed, which provides a convenient and economical route to the highly atroposelective synthesis of axially chiral indole de

Pd-Catalyzed Reductive Cyclization of Nitroarenes with CO2 as the CO Source

Guan, Xinyu,Zhu, Haoran,Zhao, Yingwei,Driver, Tom G.

, p. 57 - 60 (2019/12/11)

A reductive amination process that constructs indoles, carbazoles or benzimidazoles from nitroarenes – irrespective of their electronic or steric nature – was developed that uses CO2 as the source of CO. The process is robust, tolerating common gaseous components of flue gas (H2S, SO2, NO and H2O) without adversely affecting the reductive cyclization.

Palladium-Catalyzed Formation of N-Heteroarenes from Nitroarenes using Molybdenum Hexacarbonyl as the Source of Carbon Monoxide

Zhou, Fei,Wang, Duo-Sheng,Driver, Tom G.

, p. 3463 - 3468 (2016/01/25)

The development of a method that employs a two-chamber reaction vessel and uses molybdenum hexacarbonyl [Mo(CO)6] as the carbon monoxide (CO) source for the palladium-catalyzed transformation of nitroarenes into indoles or imidazoles is reported.

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