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2-Naphthalenecarboxylic acid, 1-bromo-, 3,5-diethylphenyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138435-67-3

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138435-67-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138435-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,3 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138435-67:
(8*1)+(7*3)+(6*8)+(5*4)+(4*3)+(3*5)+(2*6)+(1*7)=143
143 % 10 = 3
So 138435-67-3 is a valid CAS Registry Number.

138435-67-3Downstream Products

138435-67-3Relevant academic research and scientific papers

Novel Concepts in Directed Biaryl Synthesis IX. Synthesis and Structure of Benzonaphthopyranones, Useful Bridged Model Precursors for Stereoselective Biaryl Syntheses

Bringmann, Gerhard,Hartung, Thomas,Goebel, Lothar,Schupp, Olaf,Ewers, Christian L. J.,et al.

, p. 225 - 232 (2007/10/02)

A practicable two-step procedure for the preparation of a series of lactone-type bridged biaryls 7 as favorable substrates for subsequent atropisomer-selective ring-opening reactions is described.Due to the efficiency of the coupling step, which tolerates

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