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"Benzene, 1,1'-(3,5-dimethyl-2,5-cyclopentadiene-1,2-diyl)bis-" is a complex organic compound with the chemical formula C18H22. It is a derivative of benzene, featuring two methyl groups attached to a cyclopentadiene ring that bridges two benzene rings. This molecule is known for its unique structure and is often used in the synthesis of various organic compounds due to its stability and reactivity. It is a colorless to pale yellow liquid with a strong aromatic odor and is insoluble in water but soluble in organic solvents. The compound is used in the production of polymers, resins, and as an intermediate in the synthesis of pharmaceuticals and other chemicals. It is also known for its potential health risks, as it can be harmful if inhaled or absorbed through the skin, and prolonged exposure may lead to serious health issues.

4916-74-9

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4916-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4916-74-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,1 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4916-74:
(6*4)+(5*9)+(4*1)+(3*6)+(2*7)+(1*4)=109
109 % 10 = 9
So 4916-74-9 is a valid CAS Registry Number.

4916-74-9SDS

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 (2,4-dimethyl-5-phenylcyclopenta-1,4-dien-1-yl)benzene

1.2 Other means of identification

Product number -
Other names 1,4-Dimethyl-2,3-diphenyl-cyclopenta-1,3-dien

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:4916-74-9 SDS

4916-74-9Relevant academic research and scientific papers

Pd(II)-Catalyzed Enantioselective Desymmetrization of Polycyclic Cyclohexenediones: Conjugate Addition versus Oxidative Heck

Lamb, Claire J. C.,Vilela, Filipe,Lee, Ai-Lan

, p. 8689 - 8694 (2019/11/03)

Pd(II)-catalyzed desymmetrization of polycyclic cyclohexenediones has been achieved with high enantio- and diastereoselectivities. Up to five contiguous stereocenters are desymmetrized, while simultaneously, an additional stereocenter is created by the enantioselective conjugate addition. Surprisingly, the conjugate addition products dominate even under typical oxidative Heck conditions, and these observations may provide some insight into the competition between the two related reactions.

Preparation of titanocene and zirconocene dichlorides bearing bulky 1,4-dimethyl-2,3-diphenylcyclopentadienyl ligand and their behavior in polymerization of ethylene

Horá?ek, Michal,Pinkas, Ji?í,Merna, Jan,Gyepes, Róbert,Meunier, Philippe

body text, p. 173 - 178 (2009/03/12)

New metallocene dichlorides [η5-(1,4-Me2-2,3-Ph2-C5H )2TiCl2] (2), [η5-(1,4-Me2-2,3-Ph2-C5H )2ZrCl2] (3) and [η5

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