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(2,5-Dioxo-3,4-di-p-tolyl-2,5-dihydro-pyrrol-1-yl)-carbamic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

121090-05-9

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121090-05-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121090-05-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,9 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121090-05:
(8*1)+(7*2)+(6*1)+(5*0)+(4*9)+(3*0)+(2*0)+(1*5)=69
69 % 10 = 9
So 121090-05-9 is a valid CAS Registry Number.

121090-05-9Relevant academic research and scientific papers

SYNTHESE DE N-AMINO MALEIMIDES ET D'ANHYDRIDES MALEIQUES DISUBSTITUES A PARTIR D'α-HALOGENO HYDRAZIDES. ETUDE DU MECANISME DE LA REACTION.

Florac, C.,Baudy-Floc'h, M.,Robert, A.

, p. 445 - 452 (2007/10/02)

α-Halohydrazides react with 2-aminopyridine to give symmetrically substituted N-aminomaleimides.We have shown that this reaction proceeds through the formation of 4-hydroxyimidazopyridines.This result opens a new route to dissymetrically substituted N-aminomaleimides.The hydrolysis of N-aminomaleimides is a grood route to substituted maleic anhydrides.

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