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triethyl 4-amino-4-ethoxy-1,3-butadiene-1,1,3-tricarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128099-56-9

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128099-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128099-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,9 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128099-56:
(8*1)+(7*2)+(6*8)+(5*0)+(4*9)+(3*9)+(2*5)+(1*6)=149
149 % 10 = 9
So 128099-56-9 is a valid CAS Registry Number.

128099-56-9Downstream Products

128099-56-9Relevant academic research and scientific papers

Synthesis of 6-Amino and 6-Ethoxy-2(1H)-pyridone Derivatives

Cocco, Maria Teresa,Congiu, Cenzo,Maccioni, Antonio,Plumitallo, Antonio

, p. 1859 - 1862 (2007/10/02)

An efficient route allowing the synthesis of 6-amino and 6-ethoxy-2-(1H)pyridone derivatives by reaction of ethyl cyanoacetimidate, ethyl ethoxycarbonylacetimidate and related acetamidines with diethyl ethoxymethylenemalonate (EMME) is reported.The formation of dienamino derivatives as intermediates and their heterocyclization to the 2(1H)-pyridone derivatives is described.

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