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Bicyclo[4.2.1]nona-2,4,7-triene, also known as norbornadiene or norbornene, is a bicyclic hydrocarbon with the molecular formula C7H10. It features a seven-membered ring with two carbon atoms forming a bridge to a smaller five-membered ring. This unique structure makes it an important compound in organic chemistry, particularly in the field of polymer chemistry. Norbornene is used as a monomer in the production of norbornene-based polymers, which have applications in various industries, including plastics, resins, and adhesives. The compound is also known for its ability to undergo Diels-Alder reactions, making it a valuable building block in the synthesis of complex organic molecules.

5240-87-9

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5240-87-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5240-87-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,4 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5240-87:
(6*5)+(5*2)+(4*4)+(3*0)+(2*8)+(1*7)=79
79 % 10 = 9
So 5240-87-9 is a valid CAS Registry Number.

5240-87-9SDS

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 bicyclo[4.2.1]nona-2,4,7-triene

1.2 Other means of identification

Product number -
Other names Bicyclo(4.2.1)nona-2,4,7-triene

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:5240-87-9 SDS

5240-87-9Relevant academic research and scientific papers

THERMAL REACTION OF 2,3-DIAZATETRACYCLO4,11.06,8>UNDECA-2,9-DIENES: THE NITROGEN EXTRUSION AND THE MASKED HOMODIENYL-1,5-HYDROGEN SHIFT

Ohba, Yoshihiro,Kumagai, Tsutomu,Mukai, Toshio

, p. 1361 - 1364 (2007/10/02)

Thermolyses of the title compounds produce three kinds of products which are derived from nitrogen extrusion and 1,5-hydrogen shifts.The reaction mechanism is discussed in connection with the thermal behavior of bicyclononatriene.

PHOTOREACTIONS OF 2,3-DIAZATETRACYCLOUNDECA-2,9-DIENES; THE RETRO-1,3-DIPOLAR CYCLOADDITIONS AND THE NITROGEN EXTRUSION REACTIONS

Kumagai, Tsutomu,Ohba, Yoshihiro,Mukai, Toshio

, p. 439 - 442 (2007/10/02)

The photochemical reactions of tetracyclic azo compounds (1a-b) giving 5a-b and 8a-b via diazoethane derivatives (6a-b) were investigated in addition to the nitrogen extrusion reactions leading to tetracyclononenes (4a-b).

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