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N-methyl-2-(4-chlorophenyl)amino-1,4-naphthoquinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128475-23-0

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128475-23-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128475-23-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,7 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128475-23:
(8*1)+(7*2)+(6*8)+(5*4)+(4*7)+(3*5)+(2*2)+(1*3)=140
140 % 10 = 0
So 128475-23-0 is a valid CAS Registry Number.

128475-23-0Downstream Products

128475-23-0Relevant academic research and scientific papers

C-H functionalization of 1,4-naphthoquinone by oxidative coupling with anilines in the presence of a catalytic quantity of copper(II) acetate

Lisboa, Cinthia Da S.,Santos, Vanessa G.,Vaz, Boniek G.,De Lucas, Nanci C.,Eberlin, Marcos N.,Garden, Simon J.

, p. 5264 - 5273 (2011/08/04)

The oxidative addition of anilines (2) with 1,4-naphthoquinone (3) to give N-aryl-2-amino-1,4-naphthoquinones (1) was found to be catalyzed by copper(II) acetate. In the absence of the catalyst, the reactions are slower and give lower yields with the formation of many colateral products. In the presence of 10 mol % hydrated copper(II) acetate, the reactions are generally more efficient in that they are cleaner, higher yielding, and faster.

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