2745-49-5 Usage
Description
2,5-Dichlorobenzyl chloride, also known as 2,5-dichlorobenzyl chloride, is an organic compound with the chemical formula C7H6Cl2. It is a clear colorless to faintly yellow liquid at room temperature and is commonly used as an intermediate in the synthesis of various pharmaceuticals and chemicals.
Uses
Used in Pharmaceutical Industry:
2,5-Dichlorobenzyl chloride is used as a pharmaceutical intermediate for the synthesis of various drugs and medications. Its chemical properties make it a versatile building block in the development of new pharmaceutical compounds, contributing to the advancement of medical treatments and therapies.
As a chemical intermediate, 2,5-dichlorobenzyl chloride plays a crucial role in the production of a wide range of pharmaceuticals, including those used for the treatment of various diseases and conditions. Its applications in the pharmaceutical industry are diverse, as it can be used to synthesize different types of drugs, such as antibiotics, anti-inflammatory agents, and other therapeutic compounds.
Check Digit Verification of cas no
The CAS Registry Mumber 2745-49-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,4 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2745-49:
(6*2)+(5*7)+(4*4)+(3*5)+(2*4)+(1*9)=95
95 % 10 = 5
So 2745-49-5 is a valid CAS Registry Number.
InChI:InChI=1/C7H5Cl3/c8-4-5-3-6(9)1-2-7(5)10/h1-3H,4H2
2745-49-5Relevant articles and documents
Preparation of 2, 5 - dichlorobenzonitrile method and special catalyst and its preparation method
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Paragraph 0021-0029, (2019/07/04)
The invention discloses a method for preparing 2, 5 - dichlorobenzonitrile method, the method comprises the following steps: 1) to dichlorobenzene with formaldehyde or/and paraformaldehyde as raw materials, in the chloromethylation and under the action of catalyst, through the chloromethylation reaction to obtain a chloromethylated product only 2, 5 - two chlorine animal pen chlorine; 2) the following steps 1) to obtain the product of 2, 5 - two chlorine animal pen chlorine as raw materials, with the ammonia gas, the oxygen in the catalyst under the action of the ammoxidation reaction 2, 5 - dichlorobenzonitrile. The invention also discloses a method for the preparation of 2, 5 - dichlorobenzonitrile method of special catalyst and its preparation method. The method of the invention compared with other methods, with the reaction raw materials are cheap and easy to obtain, by simple process, the reaction temperature is low, is friendly to the environment, a high degree of selectivity, higher advantage of the yield is high. Special catalyst with high selectivity and active; the preparation method is simple, low cost, has good thermal stability and mechanical strength, in the fixed bed and the fluidized bed reactor can be used on both.