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4,4'-Dimethylbiphenyl, also known as 4,4'-dimethyl-1,1'-biphenyl, is an organic compound with the chemical formula C14H14. It is a colorless to pale yellow crystalline solid that is insoluble in water but soluble in organic solvents. 4,4'-DIMETHYLBIPHENYL is a member of the biphenyl family, consisting of two benzene rings connected by a single bond, with two methyl groups attached to the para positions of each benzene ring. 4,4'-Dimethylbiphenyl is used as a chemical intermediate in the synthesis of various compounds, such as polymers and pharmaceuticals, and is also found as a component in some environmental samples due to its presence in certain industrial processes and as a byproduct of combustion. It is important to note that while 4,4'-dimethylbiphenyl itself is not classified as a hazardous substance, it is part of a larger group of chemicals that may have environmental and health implications, and its handling should be done with appropriate safety measures.

2905-30-8

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2905-30-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2905-30-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,0 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2905-30:
(6*2)+(5*9)+(4*0)+(3*5)+(2*3)+(1*0)=78
78 % 10 = 8
So 2905-30-8 is a valid CAS Registry Number.
InChI:InChI=1/C8H9ClO2S/c1-6-3-4-8(5-7(6)2)12(9,10)11/h3-5H,1-2H3

2905-30-8 Well-known Company Product Price

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  • Alfa Aesar

  • (B24806)  3,4-Dimethylbenzenesulfonyl chloride, 98%   

  • 2905-30-8

  • 5g

  • 1133.0CNY

  • Detail

  • Alfa Aesar

  • (B24806)  3,4-Dimethylbenzenesulfonyl chloride, 98%   

  • 2905-30-8

  • 25g

  • 2490.0CNY

  • Detail

  • Alfa Aesar

  • (B24806)  3,4-Dimethylbenzenesulfonyl chloride, 98%   

  • 2905-30-8

  • 100g

  • 7651.0CNY

  • Detail

2905-30-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,4-dimethylbenzenesulfonyl chloride

1.2 Other means of identification

Product number -
Other names 3,4-Dimethylbenzolsulfonylchlorid

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:2905-30-8 SDS

2905-30-8Relevant academic research and scientific papers

ISOINDOLINE COMPOSITIONS AND METHODS FOR TREATING NEURODEGENERATIVE DISEASE

-

Paragraph 0520, (2015/09/23)

Isoindoline sigma-2 receptor antagonist compounds, pharmaceutical compositions comprising such compounds, and methods for inhibiting Abeta- associated synapse loss or synaptic dysfunction in neuronal cells, modulating an Abeta-associated membrane trafficking change in neuronal cells, and treating cognitive decline associated with Abeta pathology are provided.

DISSOCIATION OF SUBSTITUTED BENZENESULPHONAMIDES IN WATER, METHANOL AND ETHANOL

Ludwig, Miroslav,Pytela, Oldrich,Kalfus, Karel,Vecera, Miroslav

, p. 1182 - 1192 (2007/10/02)

Thirteen monosubstituted arylsulphonamides (XC6H4SO2NH2) and two 3,4-disubstituted arylsulphonamides (X2C6H3SO2NH2) have been synthetized and their dissociation constants have been measured by potentiometric titration in water, methanol, and ethanol.The Hammett substitution dependences have been calculated for all the media, and changes in the reaction constants due to transition from water to alcohols are discussed in confrontation with analogous dependences of benzoic acids.The reaction constant ρ found in methanol is lower than that in water.The dissociation constants have been treated by the method of the principal components and by multiple linear regression.

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