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3-(2-nitrophenylazo)biphenyl-4-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

320578-41-4

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320578-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 320578-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,0,5,7 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 320578-41:
(8*3)+(7*2)+(6*0)+(5*5)+(4*7)+(3*8)+(2*4)+(1*1)=124
124 % 10 = 4
So 320578-41-4 is a valid CAS Registry Number.

320578-41-4Relevant academic research and scientific papers

Simultaneous displacement of a nitro group during coupling of diazotized o-nitroaniline with phenols

Farkas, Renata,Toerincsi, Mercedesz,Kolonits, Pal,Fekete, Jenoe,Alonso, Oscar Jimenez,Novak, Lajos

experimental part, p. 300 - 307 (2011/10/18)

During the diazo-coupling reaction, nucleophilic displacement of a nitro group was also observed. This was the main reaction (1→7) when the starting amine bore either a chlorine or methoxy group at the para position (1b-c). The newly prepared compounds (7) might serve as convenient building blocks in synthesis of some heterocycles. Versita Warsaw and Springer-Verlag Wien 2010.

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