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2,5-bis(p-tosylsulfonyloxy)tropone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

152539-97-4

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152539-97-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 152539-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,5,3 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 152539-97:
(8*1)+(7*5)+(6*2)+(5*5)+(4*3)+(3*9)+(2*9)+(1*7)=144
144 % 10 = 4
So 152539-97-4 is a valid CAS Registry Number.

152539-97-4Relevant academic research and scientific papers

An Improved Synthesis of 4-Hydroxy-2,4,6-cycloheptatrien-1-one (4-Hydroxytropone)

Ikeda, Yukari,Mori, Akira,Takeshita, Hitoshi

, p. 2779 - 2780 (1993)

4-Hydroxytropone was prepared in an overall yield of 61percent from 5-hydroxytropolone via tosylation, LiAlH4-reduction, acetolysis with acetic trifluoroacetic anhydride in situ, and hydrolysis.

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