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Benzene, (1-methylcyclopentyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20049-04-1

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20049-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20049-04-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,4 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20049-04:
(7*2)+(6*0)+(5*0)+(4*4)+(3*9)+(2*0)+(1*4)=61
61 % 10 = 1
So 20049-04-1 is a valid CAS Registry Number.

20049-04-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name (+)-(2S)-2-methyl-2-phenylcyclopentane

1.2 Other means of identification

Product number -
Other names 1-Methyl-1-phenyl-cyclopentan

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:20049-04-1 SDS

20049-04-1Relevant academic research and scientific papers

Isomerization of the constituents of ion/neutral complexes during the fragmentation of protonated dialkyl-substituted 1,3-diphenylpropanes

Kuck, Dietmar,Matthias, Carsten,Barth, Dieter,Letzel, Matthias C.

scheme or table, p. 167 - 174 (2012/07/13)

The fragmentation of gaseous ion/neutral complexes [R+? C6H5CH2CH2CH2C 6H4-R′] with (i) R = R′ = C4H 9, (ii) R = C4H9 and R

Intramolecular carbolithiation promoted by a DTBB-catalysed chlorine-lithium exchange

Yus, Miguel,Ortiz, Rosa,Huerta, Fernando F.

, p. 8525 - 8542 (2007/10/03)

The reaction of 6-chlorohex-1-ene 1 with lithium powder and a catalytic amount of 4,4′-di-tert-butylbiphenyl (DTBB, 5% molar) in THF at -78°C gives the corresponding organolithium intermediate 2, which by reaction with different electrophiles affords, aft

Construction of a Sterically Congested Carbon Framework via 5-Hexenyllithium Cyclization. Synthesis of (+/-)-Cuparene.

Bailey, William F.,Khanolkar, Atmaram D.

, p. 7727 - 7738 (2007/10/02)

The naturally occuring sesquiterpene (+/-)-cuparene , which contains two contiguous quaternary centers, is produced in good yield by 5-exo-trig cyclization of the 5-hexenyllithium (2) generated from 6-iodo-3,3-dimethyl-2-(4-methylphenyl)-1-hexene (3) by low temperature lithium-iodine exchange.In contrast, radical mediated cyclization of 3 proceeds via the 6-endo-trig mode to give 1,1-dimethyl-2-(4-methylphenyl)cyclohexane.

Acid-catalyzed Reactions of Aromatic Hydrocarbons with Alkanes and Cycloalkanes. X. Alkylations with Cyclohexane

Miethchen, Ralf,Steege, Sigrid,Kroeger, Carl-Friedrich

, p. 823 - 834 (2007/10/02)

The complex reaction mixtures of the nonconventional alkylation of benzene with cyclohexane in the presence of Lewis/proton acids and promotors were investigated by gas-liquid chromatography and mass spectrometry.Four representative groups of hydrocarbons were found including cycloalkylbenzenes, substituted indanes or tetralines (C12H16), C1-C6-alkylbenzenes and isomeric biscycloalkyls (C12H22).Their formation is interpreted as a competition between alkylation, (without or with isomerization), ringfission with cycloalkylation or fragmentation, and self-alkylation; phenylcycloalkylcations and phenylalkylcations are the intermediates.

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