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Acetic acid 5-chloro-2-(4-chloro-phenoxy)-phenyl ester, also known as 2,4-dichlorophenoxyacetic acid (2,4-D), is a widely used synthetic auxin-type herbicide. It is an organic compound with the chemical formula C8H6Cl2O3, characterized by a chlorophenoxy group attached to a chlorinated phenyl ring. 2,4-D is primarily used to control broadleaf weeds and woody plants in agricultural settings, as it mimics the action of plant hormones, leading to uncontrolled growth and ultimately plant death. The herbicide is selective, meaning it affects certain plants while leaving others unharmed, making it a valuable tool in crop protection. However, its use has been a subject of debate due to potential environmental and health concerns, including its impact on non-target species and potential endocrine disruption.

3380-53-8

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3380-53-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3380-53-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,8 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3380-53:
(6*3)+(5*3)+(4*8)+(3*0)+(2*5)+(1*3)=78
78 % 10 = 8
So 3380-53-8 is a valid CAS Registry Number.

3380-53-8Relevant academic research and scientific papers

Method for preparing diclosan through Baeyer-Villiger oxidation

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Paragraph 0010; 0032; 0010; 0037-0051, (2021/07/01)

The invention provides a method for preparing diclosan by using urea peroxide as an oxidizing agent. Particularly, the method comprises the following steps: (1) oxidizing 5-chloro-2-(4-chloro-phenoxy)-acetophenone in an inert solvent by using urea peroxide as an oxidizing agent to obtain an intermediate I; and (2) hydrolyzing the intermediate I to obtain the diclosan. The method is safe in production process, mild in reaction and suitable for industrial production.

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