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1-bromo-4,5-dimethyl-2-(trifluoromethyl)benzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71740-86-8

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71740-86-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71740-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,4 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71740-86:
(7*7)+(6*1)+(5*7)+(4*4)+(3*0)+(2*8)+(1*6)=128
128 % 10 = 8
So 71740-86-8 is a valid CAS Registry Number.

71740-86-8Downstream Products

71740-86-8Relevant academic research and scientific papers

A New Method for the Trifluoromethylation of Aromatics

Marhold, A.,Klauke, E.

, p. 281 - 292 (1981)

A new method is described for introducing a CF3-group, by a single-step synthesis, into aromatic compounds.This trifluoromethylation is done by means of a mixture consisting of HF/CCl4 and the aromatic compounds.The reaction is thought to be of a Friedel-Crafts type and limited to aromatics which are not substituted by electron withdrawing groups.

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