84344-05-8 Usage
Uses
Used in Environmental Analysis:
2-Chlorotoluene-D7 is used as a stable isotope internal standard for the analysis of toluene compounds in environmental samples. It helps in accurately quantifying and measuring levels of 2-chlorotoluene and other related compounds, ensuring reliable and accurate results.
Used in Industrial Applications:
In the industrial sector, 2-Chlorotoluene-D7 is used as a stable isotope internal standard for the analysis of toluene compounds in various industrial processes. It aids in monitoring and controlling the presence of these compounds, ensuring safety and compliance with regulations.
Used in Biological Research:
2-Chlorotoluene-D7 is utilized as a stable isotope internal standard in biological research for the analysis of toluene compounds in biological samples. It helps in studying the metabolism, distribution, and toxicity of these compounds in living organisms, contributing to a better understanding of their effects on health and the environment.
Used in Gas Chromatography-Mass Spectrometry (GC-MS):
2-Chlorotoluene-D7 is used as a stable isotope internal standard in GC-MS techniques for the analysis of toluene compounds. Its deuterated form provides accurate quantification and measurement of 2-chlorotoluene and other related compounds, enhancing the reliability and precision of the analytical results.
Check Digit Verification of cas no
The CAS Registry Mumber 84344-05-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,3,4 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 84344-05:
(7*8)+(6*4)+(5*3)+(4*4)+(3*4)+(2*0)+(1*5)=128
128 % 10 = 8
So 84344-05-8 is a valid CAS Registry Number.
84344-05-8Relevant academic research and scientific papers
The Use of Bis(4-chlorophenyl)Selenide/Lewis Acid Catalysts in the Electrophilic Chlorination of Toluene
Graham, John C.,Feng, Chuang-Hwa,Orticochea, Margarita,Ahmed, Gulam
, p. 4102 - 4109 (2007/10/02)
The electrophilic chlorination of toluene has been studied using bis(4-chlorophenyl)selenide/Lewis acids as catalysts.These catalysts generate ortho/para ratios which are considerably lower than those obtained using Lewis acids as catalysts with the ortho/para ratio decreasing as the reaction temperature increases in the range of -30 to 70 deg C.The enhanced para selectivity observed using these catalysts has been ascribed to the intermediacy of a bis(4-chlorophenyl)selenium dichloride/Lewis acid complex which functions as a sterically hindered source of chlorine.Proton NMR studies in acetone-d6 support the existance of bis(4-chlorophenyl)selenium dichloride/Lewis acid complexes which lose chlorine directly from the selenium atom.The loss of para selectivity as the reaction temperature decreases has been ascribed to an increase in the conversion of bis(4-chlorophenyl)selenide to bis(4-chlorophenyl)(4-methylphenyl)selenonium chloride, which does not function as a catalyst in this reaction.Although triarylselenonium chlorides are known to reductively eliminate to produce aryl chlorides, our studies have shown that only where the Lewis acid is aluminium(III)chloride does this occur.Subsequently, with the exception of aluminium(III)chloride, reductive elimination of bis(4-chlorophenyl)(4-methylphenyl)-selenonium chloride is not responsible for the high para selectivity observed under our conditions.
