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1,1-Difluoro-2,2-bis(p-chlorophenyl)ethane, also known as DDT, is a synthetic chemical compound with the formula C14H9Cl5F. It was widely used as an insecticide due to its effectiveness in controlling pests and its persistence in the environment. DDT was first synthesized in 1874 but gained prominence in the 1940s for its role in malaria control, earning its discoverer a Nobel Prize. However, concerns about its environmental impact and potential health risks led to its ban or restriction in many countries. DDT is characterized by its ability to accumulate in the fatty tissues of organisms, leading to bioaccumulation and biomagnification in food chains. Despite its historical significance, the use of DDT is now highly regulated due to its long-lasting presence in the environment and its potential to cause harm to wildlife and human health.

3826-42-4

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3826-42-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3826-42-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,2 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 3826-42:
(6*3)+(5*8)+(4*2)+(3*6)+(2*4)+(1*2)=94
94 % 10 = 4
So 3826-42-4 is a valid CAS Registry Number.

3826-42-4Relevant academic research and scientific papers

Fluoroanalogs of DDT: Superacidic BF3-H2O catalyzed facile synthesis of 1,1,1-trifluoro-2,2-diarylethanes and 1,1-difluoro-2,2- diarylethanes

Prakash, G. K. Surya,Paknia, Farzaneh,Mathew, Thomas,Mloston, Gzregorz,Joschek, Jens P.,Olah, George A.

supporting information; experimental part, p. 4128 - 4131 (2011/10/04)

The one-pot synthesis of 1,1,1-trifluoro- and 1,1-difluoro-2,2- diarylethanes from arenes and fluorinated hemiacetals in the BF 3-H2O system is described. The reaction is simple, clean, and convenient, eliminating the use of organic

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