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4-Chlorophenylacetaldehyde 2,4-dinitrophenylhydrazone is a chemical compound derived from 4-chlorophenylacetaldehyde, which is an aromatic aldehyde containing a chlorine atom. The compound is formed by the reaction of 4-chlorophenylacetaldehyde with 2,4-dinitrophenylhydrazine, resulting in the formation of a hydrazone derivative. This yellow crystalline solid is commonly used as a reagent in organic synthesis and as an analytical tool for the detection and identification of aldehydes. The compound has a molecular formula of C14H11ClN4O4 and a molecular weight of 330.71 g/mol. It is soluble in organic solvents such as ethanol and acetone, and its chemical structure features a 4-chlorophenyl group attached to an acetaldehyde moiety, which is further linked to a 2,4-dinitrophenylhydrazone group. 4-chlorophenylacetaldehyde 2,4-dinitrophenylhydrazone is sensitive to light and heat, and it is important to store it in a cool, dark place to maintain its stability.

4251-66-5

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4251-66-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4251-66-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,5 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4251-66:
(6*4)+(5*2)+(4*5)+(3*1)+(2*6)+(1*6)=75
75 % 10 = 5
So 4251-66-5 is a valid CAS Registry Number.

4251-66-5Downstream Products

4251-66-5Relevant academic research and scientific papers

Hypoiodite-catalyzed regioselective oxidation of alkenes: An expeditious access to aldehydes in aqueous micellar media

Swamy, Peraka,Reddy, Marri Mahender,Naresh, Mameda,Kumar, Macharla Arun,Srujana, Kodumuri,Durgaiah, Chevella,Narender, Nama

supporting information, p. 1125 - 1130 (2015/04/22)

A highly anti-Markovnikov selective oxidation of alkenes based on in situ generated hypoiodite catalysis in aqueous micellar media under mild conditions has been described. This novel catalytic system realizes an efficient synthesis of aldehydes from alkenes in an economically viable and environmentally safe fashion. The preliminary mechanistic studies suggest that the reaction proceeds via tandem iodofunctionalization/1,2-aryl or alkyl migration. The scope and limitations of this tandem process are demonstrated with various mono- and disubstituted (terminal and internal) olefins.

Diazo reactions with unsaturated compounds: V.1 reaction of phenyl vinyl ether with arenediazonium chlorides

Naidan

, p. 1600 - 1602 (2007/10/03)

Phenyl vinyl ether reacts with arenediazonium chlorides in aqueous acetone at pH 3-4 in the presence of a catalytic amount of copper(II) chloride to give arylacetaldehydes and small amounts 1-aryl-2-phenoxyethenes. No reaction occurs between the same reactants in the presence of sulfur(IV) oxide. 2000 MAIK "Nauka/Interperiodica".

Diazo Reactions with Unsaturated Compounds. IV. Reaction of Vinyl Butyl Ether with Aryldiazonium Chlorides

Naidan,Fesak

, p. 423 - 424 (2007/10/03)

Vinyl butyl ether reacts in aqueous acetone at pH 4-5 in the presence of catalytic amounts of copper(II) chloride with aryldiazonium chlorides to give 1-butoxy-2-arylethenes and minor amounts of 1-butoxy-1-chloro-2-arylethanes, which are readily hydrolyzed in an acid medium in the presence of 2,4-dinitrophenylhydrazine to give 2,4-dinitrophenylhydrazones of corresponding arylacetaldehydes.

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