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75057-01-1

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75057-01-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75057-01-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,0,5 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75057-01:
(7*7)+(6*5)+(5*0)+(4*5)+(3*7)+(2*0)+(1*1)=121
121 % 10 = 1
So 75057-01-1 is a valid CAS Registry Number.

75057-01-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,2-bis-(p-methylthiophenyl)ethylene

1.2 Other means of identification

Product number -
Other names 1,1-Bis-(4-methylmercapto-phenyl)-ethylen

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:75057-01-1 SDS

75057-01-1Relevant articles and documents

Convenient and efficient synthesis of 1,1-bis-(4-alkylthiophenyl)-1-alkenes via tandem Friedel-Crafts acylation and alkylation of sulfides and acyl chlorides

Xu, Jiaxi,Xia, Jiakun,Lan, Yu

, p. 2347 - 2353 (2007/10/03)

1,1-Bis(4-alkylthiophenyl)-1-alkenes were conveniently and efficiently prepared from alkyl phenyl sulfides and acyl chlorides via a tandem Friedel-Crafts acylation and alkylation in the presence of anhydrous aluminum chloride. The scope, limitation, and mechanism of the tandem reaction were also discussed. Copyright Taylor & Francis, Inc.

Substituent Effect Studies of Aryl-Assisted Solvolyses. I. The Acetolysis of 2,2-Bis(substituted phenyl)ethyl p-Toluenesulfonates

Fujio, Mizue,Maeda, Yasuyuki,Goto, Mutsuo,Saeki, Yoshihiro,Mishima, Masaaki,Tsuno, Yuho

, p. 3015 - 3020 (2007/10/02)

The substituent effect on the acetolysis of 2,2-bis(substituted phenyl)ethyl p-toluenesulfonates at 90.10 deg C can be described accurately in terms of the Yukawa-Tsuno (LArSR) relationship, giving a ρ value of -4.44 and an r value of 0.53. The substituent effect correlation of this system carrying two aryls is quite comparable to that of the 2-methyl-2-phenylpropyl system carrying a single aryl group, suggesting the close similarity in the structure of the transition states between the systems. The results can be reasonably accounted for on the basis of the accepted mechanism of this reaction, involving a rate-determining aryl-assisted transition state where only one aryl group of the two β-aryl groups participates.

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