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4189-82-6

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4189-82-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4189-82-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,8 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4189-82:
(6*4)+(5*1)+(4*8)+(3*9)+(2*8)+(1*2)=106
106 % 10 = 6
So 4189-82-6 is a valid CAS Registry Number.

4189-82-6SDS

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 (4-methylphenyl)-diphenylsulfanium,bromide

1.2 Other means of identification

Product number -
Other names 4-methyl-phenyldiphenylsulfonium bromide

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:4189-82-6 SDS

4189-82-6Relevant articles and documents

PROCESS FOR PRODUCING TRIARYLSULFONIUM SALT

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Page/Page column 21-22, (2008/06/13)

An object of the present invention is to provide a method for effectively producing a triarylsulfonium salt having a structure that only one aromatic ring of three aromatic rings on the cation portion thereof is different from the other two aromatic rings (hereinafter, abbreviated as a triarylsulfonium salt relating to the present invention) in a high yield without forming any byproduct. The present invention relates to a method for producing a triarylsulfonium salt represented by the general formula [4]: wherein, two R1's represent each hydrogen atom, halogen atom, alkyl group, haloalkyl group having 1 to 4 carbon atoms, alkoxy group, acyl group, hydroxyl group, amino group, nitro group or cyano group; R represents an aryl group which may have a substituent selected from a halogen atom, an alkyl group, a haloalkyl group having 1 to 4 carbon atoms, an alkoxy group, an alkylthio group, a N-alkylcarbamoyl group and a carbamoyl group, and the above substituent is different from one represented by the above R1; and A1 represents a strong acid residue, comprising reacting a diaryl sulfoxide represented by the general formula [1]: wherein, R1 represents the same as above, and an aryl Grignard reagent represented by the general formula [2]: ????????RMgX?????[2] wherein, X represents a halogen atom; R represents the same as above, in the presence of an activator with high affinity for oxygen of 3 to 7.5 equivalents relative to the above diaryl sulfoxide, and then reacting the resultant reaction mixture with a strong acid represented by the general formula [3]: ????????HA1?????[3] wherein, A1 represents the same as above, or a salt thereof.

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