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41931-18-4

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41931-18-4 Usage

General Description

4-Bromophenylhydrazine hydrochloride is a chemical compound that consists of a hydrazine derivative with a 4-bromophenyl group. It is commonly used as a reagent in the synthesis of pharmaceuticals and agrochemicals. 4-BROMOPHENYLHYDRAZINE HYDROCHLORIDE is also a potent and selective inhibitor of the enzyme monoamine oxidase (MAO), which plays a role in the metabolism of neurotransmitters in the brain. It is important to handle 4-Bromophenylhydrazine hydrochloride with caution, as it is considered hazardous and can cause irritation to the skin and respiratory system upon contact or inhalation.

Check Digit Verification of cas no

The CAS Registry Mumber 41931-18-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,9,3 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 41931-18:
(7*4)+(6*1)+(5*9)+(4*3)+(3*1)+(2*1)+(1*8)=104
104 % 10 = 4
So 41931-18-4 is a valid CAS Registry Number.
InChI:InChI=1/C6H7BrN2.ClH/c7-5-1-3-6(9-8)4-2-5;/h1-4,9H,8H2;1H

41931-18-4Relevant articles and documents

Rhodium(III)-catalyzed in situ oxidizing directing group- assisted c-h bond activation and olefination: A route to 2-vinylanilines

Muralirajan, Krishnamoorthy,Haridharan, Radhakrishnan,Prakash, Sekar,Cheng, Chien-Hong

, p. 761 - 766 (2015)

A new and efficient method for the synthesis of 2-vinylanilines from the reaction of arylhydrazine hydrochlorides with alkenes and diethyl ketone via a rhodium-catalyzed C-H activation is described. The oxidant-free olefination reaction involves the in situ generation of an -N-N=CR1R2 moiety as the oxidizing directing group thus providing an easy access to 2-vinylanilines.

Highly Efficient Synthesis of Hindered 3-Azoindoles via Metal-Free C-H Functionalization of Indoles

Guillemard, Lucas,Jacob, Nicolas,Wencel-Delord, Joanna

supporting information, p. 574 - 580 (2020/02/13)

Although 3-azoindoles have recently emerged as an appealing family of photoswitch molecules, the synthesis of such compounds has been poorly covered in the literature. Herein a high-yielding and operationally simple protocol is reported allowing the synthesis of 3-azoindoles, featuring important steric hindrance around the azo motif. Remarkably, this C-H coupling is characterized by excellent atom economy and occurs under metal-free conditions, at room temperature, and within few minutes, delivering the expected products in excellent yields (quantitatively in most of the cases). Accordingly, a library of new molecules, with potential applications as photochromic compounds, is prepared.

An electroluminescen compound and an electroluminescent device comprising the same

-

Paragraph 0390-0394, (2021/02/02)

The present invention relates to an organic light-emitting compound represented by chemical formula 1. An organic electroluminescent device comprising the organic light-emitting compound in the present invention has excellent power efficiency, light-emitting efficiency, and long life cycle because the present invention can be operated by a lower driving-voltage in comparison with a device comprising conventional phosphorescent host materials.

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