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4,7,12,15-tetrabromo<2.2>paracyclophane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23927-44-8

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23927-44-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23927-44-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,2 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 23927-44:
(7*2)+(6*3)+(5*9)+(4*2)+(3*7)+(2*4)+(1*4)=118
118 % 10 = 8
So 23927-44-8 is a valid CAS Registry Number.

23927-44-8Upstream product

23927-44-8Relevant academic research and scientific papers

Double-Layered 1,4-Distyrylbenzene Chromophores - Synthesis, UV and Fluorescence Spectra

Koenig, Burkhard,Knieriem, Burkhard,Meijere, Armin de

, p. 1643 - 1650 (2007/10/02)

The reaction of paracyclophane (1) with liquid bromine affords a 1:1 mixture of only two isomeric products, the pseudo-para 2 and pseudo-ortho tetrabromide 3.The structure of the pseudo-para isomer 2 has been determined by X-ray structure analysis.Fo

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