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1-(4-bromophenyl)-3,4,4-trichlorobut-3-en-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

521081-01-6

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521081-01-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 521081-01-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,1,0,8 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 521081-01:
(8*5)+(7*2)+(6*1)+(5*0)+(4*8)+(3*1)+(2*0)+(1*1)=96
96 % 10 = 6
So 521081-01-6 is a valid CAS Registry Number.

521081-01-6Relevant academic research and scientific papers

Polychlorobutanoic and polychlorobutenoic acids in the synthesis of polyfunctional derivatives

Potkin,Kaberdin,Petkevich,Kurman

, p. 1099 - 1104 (2002)

From 3,4,4-trichloro-3-butenoic acid 3,3,4,4,4-pentachlorobutanoic, 3,4,4,4-tetrachloro-2-butenoic, and 2,3,4,4-tetrachloro-3-butenoic acids were synthesized. By Friedel - Krafts reaction from 3,4,4-trichloro-3-butenoyl and 3,3,4,4,4-pentachlorobutanoyl c

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