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3-Nitro-2-phenylbenzofuran is a chemical compound with the molecular formula C18H11NO3. It is a derivative of benzofuran, which is a heterocyclic aromatic organic compound consisting of a benzene ring fused to a furan ring. The compound is characterized by the presence of a nitro group (-NO2) at the 3-position and a phenyl group (C6H5) at the 2-position. This yellow crystalline solid is primarily used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, such as herbicides and insecticides. Due to its potential applications and reactivity, 3-nitro-2-phenylbenzofuran has been a subject of interest in organic chemistry research.

4521-01-1

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4521-01-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4521-01-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,2 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4521-01:
(6*4)+(5*5)+(4*2)+(3*1)+(2*0)+(1*1)=61
61 % 10 = 1
So 4521-01-1 is a valid CAS Registry Number.

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4521-01-1Downstream Products

4521-01-1Relevant academic research and scientific papers

Silver-Catalyzed Nitration/Annulation of α-Alkynyl Arylols toward 3-Nitrated Benzofurans

Zhang, Tian-Shu,Yang, Lei,Cai, Pei-Jun,Tu, Shu-Jiang,Jiang, Bo

, p. 4383 - 4388 (2019)

A silver-catalyzed nitration/annulation of α-alkynyl arylols is reported by using tert-butyl nitrite (TBN) as a NO2 radical precursor, from which a set of 3-nitrated benzofurans were synthesized with moderate to good yields. This transformation

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