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Propanedioic acid, bis(1-methyl-1H-indol-3-yl)-, diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

127744-45-0

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127744-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127744-45-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,4 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 127744-45:
(8*1)+(7*2)+(6*7)+(5*7)+(4*4)+(3*4)+(2*4)+(1*5)=140
140 % 10 = 0
So 127744-45-0 is a valid CAS Registry Number.

127744-45-0Downstream Products

127744-45-0Relevant articles and documents

First isolation of both indolylcarbinols and diindolylalkanes from microwave-assisted acid (clay)-catalysed reaction of indoles with diethyl ketomalonate

Chakrabarty, Manas,Karmakar, Sulakshana,Harigaya, Yoshihiro

, p. 37 - 48 (2005)

Indoles (1a-f) react with diethyl ketomalonate on montmorillonite K10 clay under microwave irradiation to furnish expeditiously (1-4 min) the corresponding indol-3′-ylcarbinols (2a-f; 20-45%) and the respective diindolylalkanes (3a-f; 5-35%), which constitute the first direct evidence for the intermediacy of indolylcarbinols in the formation of diindolylalkanes from the acid-catalysed reaction of indoles with aldehydes and ketones.

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