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2-(4-Methoxy-benzoyl)-3-oxo-butyric acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

344448-31-3

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344448-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344448-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,4,4 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 344448-31:
(8*3)+(7*4)+(6*4)+(5*4)+(4*4)+(3*8)+(2*3)+(1*1)=143
143 % 10 = 3
So 344448-31-3 is a valid CAS Registry Number.

344448-31-3Relevant academic research and scientific papers

Synthesis of 1,3-dioxin-4-one Derivatives

Sato, Masayuki,Ogasawara, Hiromichi,Oi, Keiichi,Kato, Tetsuzo

, p. 1896 - 1901 (2007/10/02)

A facile and general synthesis of 2,2-dimethyl-1,3-dioxin-4-one derivatives (1) is reported.Treatment of β-keto acids with a mixture of isopropenyl acetate and conc. sulfuric acid gave 2,2-dimethyl-1,3-dioxin-4-ones (1).Similar treatment of tert-butyl esters of β-keto acids also gave 1.KEYWORDS - 2,2-dimethyl-1,3-dioxin-4-one derivative; diketene-acetone adduct; diketene; acylketene; β-keto acid; β-keto ester

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