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2-ethoxycarbonyl-but-2-enedioic acid 1-ethyl ester 4-(3-methoxy-phenyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

811418-75-4

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811418-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 811418-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,1,4,1 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 811418-75:
(8*8)+(7*1)+(6*1)+(5*4)+(4*1)+(3*8)+(2*7)+(1*5)=144
144 % 10 = 4
So 811418-75-4 is a valid CAS Registry Number.

811418-75-4Downstream Products

811418-75-4Relevant academic research and scientific papers

A lewis acid-promoted cyclization of ethenetricarboxylate derivative aromatic compounds. Novel syntheses of oxindoles and benzofuranones via friedel-crafts intramolecular michael addition

Yamazaki, Shoko,Morikawa, Satoshi,Iwata, Yuko,Yamamoto, Machiko,Kuramoto, Kaori

, p. 3134 - 3138 (2007/10/03)

A novel cyclization reaction of ethenetricarboxylate derivative aromatic compounds in the presence of various Lewis acids gave benzo-annulated cyclic compounds such as oxindole and benzofuran derivatives via Friedel-Crafts intramolecular Michael addition

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