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5543-24-8

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5543-24-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5543-24-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,4 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5543-24:
(6*5)+(5*5)+(4*4)+(3*3)+(2*2)+(1*4)=88
88 % 10 = 8
So 5543-24-8 is a valid CAS Registry Number.

5543-24-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-(2-chlorobenzoyl)benzoic acid

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5543-24-8 SDS

5543-24-8Relevant articles and documents

Preparation method of high-purity chloro-2-carboxyl-benzophenone

-

Paragraph 0041; 0048; 0049; 0050, (2018/10/02)

The invention discloses a preparation method of high-purity chloro-2-carboxybenzophenone. The preparation method comprises the following steps: preparing chlorine-substituted or non-substituted o-chlorotoluene into a Grignard reagent, and then, enabling the Grignard reagent to react with o-chlorobenzoyl chloride to obtain chloro-2-methylbenzophenone; and enabling chloro-2-methylbenzophenone to besubjected to oxidation reaction in the presence of a catalyst and an oxidizing agent to obtain the chloro-2-carboxybenzophenone. The preparation method disclosed by the invention has the advantages that the synthetic steps are simple, the cost is low, the process is environmentally friendly, and the obtained product has high purity and can be directly applied to the fields of micro-electronics andthe like.

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