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1,4,5,5-Tetramethylcyclopenta-1,3-diene is a cyclic organic compound with the molecular formula C9H14. It features a cyclopentane ring with two carbon-carbon double bonds (dienes) and four methyl groups attached to the carbon atoms. 1,4,5,5-tetramethylcyclopenta-1,3-diene is known for its unique chemical properties and reactivity, particularly in organic synthesis. It can undergo various reactions, such as Diels-Alder reactions, which are useful for constructing complex molecular structures. The compound's stability and reactivity make it a valuable intermediate in the synthesis of various organic compounds, including pharmaceuticals and other specialty chemicals.

4249-11-0

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4249-11-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4249-11-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,4 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4249-11:
(6*4)+(5*2)+(4*4)+(3*9)+(2*1)+(1*1)=80
80 % 10 = 0
So 4249-11-0 is a valid CAS Registry Number.

4249-11-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,4,5,5-tetramethylcyclopenta-1,3-diene

1.2 Other means of identification

Product number -
Other names 1,4,5,5-Tetramethylcyclopentadiene

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:4249-11-0 SDS

4249-11-0Downstream Products

4249-11-0Relevant academic research and scientific papers

Photosensitized Electron Transfer from Azoalkanes: Generation, Fragmentation, and Rearrangement of Radical Cations Structurally Related to Dicyclopentadiene

Adam, Waldemar,Sendelbach, Juergen

, p. 5310 - 5315 (2007/10/02)

The azoalkanes 1a-c extrude nitrogen upon photosensitized electron transfer (PET) to yield 1,3-radical cation intermediates 2(.+), which undergo interesting transformations.Electron back transfer (BET) affords the unrearranged housanes 2, but significant

Rhodium catalysed decarbonylation of optically active campholenal analogues

Chapuis,Winter,Schulte-Elte

, p. 6135 - 6138 (2007/10/02)

Campholenal analogues (+)-1a-d were decarbonylated with a catalytic amount of Rh/Al2O3 with only slight racemization. Experiment with other catalysts showed that racemization increases with the ability of the metal to form a π-allyl

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