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2-Butenoic acid, 4-(3,4-dimethoxyphenyl)-4-oxo- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57045-33-7

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57045-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57045-33-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,0,4 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57045-33:
(7*5)+(6*7)+(5*0)+(4*4)+(3*5)+(2*3)+(1*3)=117
117 % 10 = 7
So 57045-33-7 is a valid CAS Registry Number.

57045-33-7Relevant academic research and scientific papers

Modular total synthesis of lamellarin G trimethyl ether

Yadav, Jhillu S.,Gayathri, Kamakolanu Uma,Subba Reddy, Basi V.,Prasad, Attaluri R.

, p. 43 - 46 (2009)

A modular synthesis of the lamellarin G trimethyl ether has been developed based on the application of several reaction sequences which include Friedel-Crafts acylation, esterification, haloarylation, and oxidative cyclization. The formation of pyrrolo [2

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