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88324-55-4

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88324-55-4 Usage

General Description

1-Propanone, 2-bromo-2-methyl-1-[4-(methylthio)phenyl]-, also known as α-Bromo-4'-(methylthio)acetophenone, is a chemical compound with the molecular formula C12H13BrOS. It is a synthetic organic compound commonly used as a reagent or building block in organic synthesis. This chemical is a yellow to light brown liquid with a strong, pungent odor. It is mainly used in the production of pharmaceuticals, dyes, and other specialty chemicals. As a highly flammable liquid, it should be handled and stored with caution, and exposure to this chemical should be limited to prevent potential health risks.

Check Digit Verification of cas no

The CAS Registry Mumber 88324-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,3,2 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 88324-55:
(7*8)+(6*8)+(5*3)+(4*2)+(3*4)+(2*5)+(1*5)=154
154 % 10 = 4
So 88324-55-4 is a valid CAS Registry Number.

88324-55-4Relevant articles and documents

Synthetic method of free-radical photoinitiator

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, (2018/07/30)

The invention discloses a synthetic method of a free-radical photoinitiator. The synthetic method is characterized by comprising the following steps: (1) under the action of aluminium trichloride, methyl phenyl sulfide is adopted as a raw material and generates Friedel-Crafts acylation reaction with 2-chloroisobutyryl chloride to prepare an intermediate A with a structure shown in a formula (I); (2) under the action of alkaline, the intermediate A carries out ring-closure reaction to prepare an intermediate B with a structure shown in a formula (II); (3) the intermediate B and morpholine carryout ring-opening reaction to obtain a target product with a structure shown in a formula (III), namely the free-radical photoinitiator. The synthetic method disclosed by the invention has the beneficial effects that the photoinitiator is synthesized by the steps of adopting the 2-chloroisobutyryl chloride and methyl phenyl sulfide to carry out Friedel-Crafts acylation reaction, then carrying outcyclization and ring opening and the like, the obtained product contains fewer impurities, the yield is high, the process route is convenient in operation, and generates less three wastes (waste water, waste solid and waste air) so as to be more environment-friendly.

Firocoxib preparation method

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, (2017/03/14)

The invention discloses a firocoxib preparation method and relates to the technical field of chemical synthesis, in particular to a novel method for synthesizing firocoxib. The novel method for synthesizing the firocoxib includes subjecting thioanisole serving as a raw material to acylation reaction, bromination reaction, oxidizing reaction, esterification reaction and cyclization reaction sequentially so as to obtain the firocoxib. Compared with a traditional technology, the novel method for synthesizing the firocoxib has the advantages that an aftertreatment process is simple without column chromatography separation, and the method is high in yield, low in cost and suitable for industrial production.

METAL FREE BLEACHING COMPOSITION

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Page/Page column 45, (2012/01/14)

The present invention relates to the use of a composition comprising specific a-amino- ketones, H2O2, a H2O2 precursor or a peracid and optionally an activator as a bleaching mixture for textile materials or dis

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