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Benzene, 1-bromo-4-(1-phenyl-2-cyclopenten-1-yl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139952-09-3

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139952-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139952-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,5 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139952-09:
(8*1)+(7*3)+(6*9)+(5*9)+(4*5)+(3*2)+(2*0)+(1*9)=163
163 % 10 = 3
So 139952-09-3 is a valid CAS Registry Number.

139952-09-3Relevant academic research and scientific papers

Evidence of stereoelectronic control in osmium-catalyzed cis-dihydroxylations of sterically unbiased 3,3-diarylcyclopentenes

Halterman, Ronald L.,McEvoy, Marjorie A.

, p. 980 - 985 (2007/10/02)

This study provides strong evidence for the stereoelectronic control of diastereoselectivity in the osmium tetraoxide-catalyzed cis-dihydroxylation of sterically unbiased 3-(4-X-phenyl)-3-phenylcyclopentenes 1 (X = NO2, Br, Cl, OCH3,

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