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4-(4-chlorophenyl)-3-(ethoxycarbonyl)-3-butenoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

218960-99-7

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218960-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218960-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,9,6 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 218960-99:
(8*2)+(7*1)+(6*8)+(5*9)+(4*6)+(3*0)+(2*9)+(1*9)=167
167 % 10 = 7
So 218960-99-7 is a valid CAS Registry Number.

218960-99-7Relevant academic research and scientific papers

Studies on the Synthesis of highly substituted naphthol: Preparation of 6-Hydroxy-5,7-Dimethoxy-2-Naphthoic Acid, Isolated From Ulmus Thomasii

Fuganti, Claudio,Serra, Stefano

, p. 2769 - 2782 (2007/10/03)

An improvement of a known procedure, affording substituted 4-hydroxy-2-naphthoic acid derivatives from aromatic aldehydes is described and its general applicability is shown through the preparation of a natural naphthalene derivative isolated from Ulmus thomasii.

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