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1,2-Bis-((S)-2,2-dibromo-cyclopropyl)-benzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42185-71-7

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42185-71-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42185-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,8 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 42185-71:
(7*4)+(6*2)+(5*1)+(4*8)+(3*5)+(2*7)+(1*1)=107
107 % 10 = 7
So 42185-71-7 is a valid CAS Registry Number.

42185-71-7Relevant academic research and scientific papers

A Novel Cyclization of 1,2-Bis(2,2-dibromocyclopropyl)benzenes with Methyllithium

Hoehn, Juergen,Weyerstahl, Peter

, p. 808 - 814 (2007/10/02)

The CBr2 bis adducts 7, 8, and 10 react with MeLi at - 78 deg C to give the dicyclopropanaphthalenes 17 - 19.Thus, from meso-7 syn-17, and from d,l-7 anti-17 are formed stereoselectively.The reaction may proceed via the intermediates A or B.The carbenoid

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