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2,3-dihydro-1H-cyclopenta[l]phenanthrene is a polycyclic aromatic hydrocarbon (PAH) with a molecular formula of C17H14. It is a derivative of phenanthrene, which is a well-known PAH consisting of three fused benzene rings. The cyclopenta[l]phenanthrene structure features a cyclopentane ring fused to one of the benzene rings in phenanthrene, creating a unique molecular arrangement. 2,3-dihydro-1H-cyclopenta[l]phenanthrene is of interest in organic chemistry and materials science due to its potential applications in the synthesis of various compounds and its structural properties. It is also found in certain environmental samples, such as coal tar and soot, and can be a component of complex mixtures found in industrial settings. The study of such compounds is important for understanding their environmental impact and potential health effects.

723-98-8

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723-98-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 723-98-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,2 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 723-98:
(5*7)+(4*2)+(3*3)+(2*9)+(1*8)=78
78 % 10 = 8
So 723-98-8 is a valid CAS Registry Number.

723-98-8SDS

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 2,3-dihydro-1H-cyclopenta[l]phenanthrene

1.2 Other means of identification

Product number -
Other names 9,10-cyclopentenophenanthrene

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:723-98-8 SDS

723-98-8Relevant academic research and scientific papers

PHOTOCHEMICAL STUDIES WITH o-VINYL DIARYL ETHERS A NEW PHOTO-HETEROCYCLIZATION REACTION ?

Eberbach, Wolfgang,Hensle, Juergen

, p. 4773 - 4776 (2007/10/02)

On photoexcitation the o-vinyl diaryl ethers 10a-d are transformed into o-hydroxy stilbenes 11 which preferentially on direct irradiation are further converted affording the annulated phenanthrenes 12.

Photochemical Addition of Methanol to Stilbenes

Woning, Jan,Oudenampsen, Albert,Laarhoven, Wim H.

, p. 2147 - 2154 (2007/10/02)

The photochemical addition of methanol to the alkenic bond of stilbene (1) involves two competitive pathways: viz. either direct addition of methanol to the alkenic bond or insertion by methanol of a carbene (13), emerging from a 1,2-H shift in (1).From the observed effect of substituents and the wavelength on the rates of these processes, the rearrangement pathway was concluded to involve excited (1) in a vibrationally unrelaxed S1-state.The direct pathway might involve either a planar (??*) or a twisted excited S1-state of (1).The available experimental evidence precludes zwitterionic excited states from being involved in both pathways.The photochemical addition of methanol to the alkenic bond of 1,1-diphenylethene (3) follows a similar course.In this case a 1,2-Ph shift in excited (3) gives rise to carbene (13) and its insertion products.

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