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Butanedioic acid, (phenylhydrazono)-, dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

22158-22-1

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22158-22-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22158-22-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,5 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 22158-22:
(7*2)+(6*2)+(5*1)+(4*5)+(3*8)+(2*2)+(1*2)=81
81 % 10 = 1
So 22158-22-1 is a valid CAS Registry Number.

22158-22-1Relevant academic research and scientific papers

Reaction of Hydrazonyl Chlorides and Carboalkoxymethylene Triphenylphosphoranes to Give 5-Alkoxy Substituted Pyrazoles

Padwa, Albert,MacDonald, J. Gavin

, p. 1225 - 1227 (2007/10/02)

The reaction of ethyl chloroglyoxylate phenyl hydrazone and diphenyl hydrazonyl chloride with several carboalkoxymethylene triphenylphosphoranes has been examined.The products isolated correspond to N-phenyl-3-carboalkoxy-5-alkoxy substituted pyrazoles.Th

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