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5-bromo-2-(4-bromo-phenyl)-3-methyl-benzofuran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28718-83-4

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28718-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28718-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,7,1 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 28718-83:
(7*2)+(6*8)+(5*7)+(4*1)+(3*8)+(2*8)+(1*3)=144
144 % 10 = 4
So 28718-83-4 is a valid CAS Registry Number.

28718-83-4Downstream Products

28718-83-4Relevant academic research and scientific papers

Direct preparation of benzofurans from O-arylhydroxylamines

Contiero, Fanny,Jones, Kevin M.,Matts, Edward A.,Porzelle, Achim,Tomkinson, Nicholas C.O.

, p. 3003 - 3006 (2009)

Reaction of O-arylhydroxylamine hydrochlorides with either cyclic or acyclic ketones in the presence of methanesulfonic acid leads directly to the benzofuran derivative via a proposed one-pot condensation-rearrangement- cyclisation reaction sequence in good to excellent yields. Georg Thieme Verlag Stuttgart.

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