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1,3,5-Cycloheptatriene,7-(2,4-cyclopentadien-1-ylidene)- is a complex organic compound with the molecular formula C12H12. It is a derivative of cycloheptatriene, which is a seven-membered ring with alternating double bonds. The compound features a cyclopentadienyl group (C5H5-) attached to the 7th carbon of the cycloheptatriene ring, forming a conjugated system that extends across both rings. This structure contributes to its unique electronic properties and potential applications in organic chemistry, such as in the synthesis of more complex molecules or as a ligand in coordination chemistry. The compound's stability and reactivity can be influenced by the electronic effects of the cyclopentadienyl group, making it an interesting subject for further chemical investigation.

1961-84-8

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1961-84-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1961-84-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,6 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1961-84:
(6*1)+(5*9)+(4*6)+(3*1)+(2*8)+(1*4)=98
98 % 10 = 8
So 1961-84-8 is a valid CAS Registry Number.

1961-84-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name Sesquifulvalen

1.2 Other means of identification

Product number -
Other names Cyclopentadienheptafulven

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:1961-84-8 SDS

1961-84-8Downstream Products

1961-84-8Relevant academic research and scientific papers

Carbene Reactions, XVIII. Thermal Behaviour of 7-Alkylidenebicycloheptadiene Derivatives

Hoffmann, Reinhard W.,Riemann, Achim,Mayer, Bernhard

, p. 2493 - 2513 (2007/10/02)

Thermolysis of 7-alkylidenenorbornadienes 2 results in a retro-Diels-Alder cleavage to fulvenes and acetylene.A different mode of cleavage - into benzene and a carbene - is observed with such derivatives of 2 which carry ?- or ?-donor functions at C-8.The dependence of the reaction pathways on the nature of the substituent at C-8 is discussed on the basis of MO-calculations.

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