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4-bromo-3'-nitro-4-hydroxyazobenzene is an organic compound characterized by its azobenzene structure, which consists of two phenyl rings connected by an azo group (-N=N-). This particular compound features a bromine atom at the 4-position of one phenyl ring, a nitro group (-NO2) at the 3'-position of the other phenyl ring, and a hydroxyl group (-OH) at the 4-position of the same phenyl ring as the bromine. The compound is known for its potential applications in the synthesis of dyes and pigments, as well as in the study of photochemical reactions. Its chemical properties, such as its reactivity and solubility, can be influenced by the presence of these functional groups, making it a subject of interest in organic chemistry research.

2703-29-9

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2703-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2703-29-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,0 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2703-29:
(6*2)+(5*7)+(4*0)+(3*3)+(2*2)+(1*9)=69
69 % 10 = 9
So 2703-29-9 is a valid CAS Registry Number.

2703-29-9Downstream Products

2703-29-9Relevant academic research and scientific papers

Study of novel thermotropic liquid crystals with lateral nitro substituent

Dixit,Intwala

, p. 1 - 8 (2016)

In this article, we report synthesis and characterization of a novel thermotropic liquid crystals, namely, 4-bromo-[3′-nitro-4′(4″-n-alkoxybenzoyloxy)] phenyl azobenzenes. The first member of a homologous series is nonmesogenic in nature. The n-ethyl to n-decyl homologues exhibit enantiotropic nematic mesophases, while the n-dodecylton -hexadecyl homologues exhibit only smectic mesophases. The synthesized compounds were characterized by a combination of elemental analysis and standard spectroscopic methods. The mesogenic behavior of present series is explained by comparing each homologue of the related mesogenic series. The impact of the lateral nitro group on mesomorphism is also discussed.

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