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3a,7a-Propano-1H-indene,2,3-dihydro- is a chemical compound with the molecular formula C12H16. It is a derivative of the indene family, which are aromatic hydrocarbons with a cyclopentadiene ring fused to a benzene ring. This specific compound features a propano bridge between the 3a and 7a positions, and a dihydro functional group, indicating the presence of two hydrogen atoms in the molecule. The compound is characterized by its unique structure and properties, making it potentially useful in various chemical applications and reactions.

4933-32-8

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4933-32-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4933-32-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,3 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4933-32:
(6*4)+(5*9)+(4*3)+(3*3)+(2*3)+(1*2)=98
98 % 10 = 8
So 4933-32-8 is a valid CAS Registry Number.

4933-32-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name <4.3.3>propella-2,4-diene

1.2 Other means of identification

Product number -
Other names [4.3.3]propella-2,4-diene

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:4933-32-8 SDS

4933-32-8Upstream product

4933-32-8Downstream Products

4933-32-8Relevant academic research and scientific papers

Homoaromatic Delocalization in the Transition State for Norcaradiene Formation

Bertsch, Achim,Grimme, Wolfram,Reinhardt, Gerd,Rose, Hermann,Warner, Philip M.

, p. 5112 - 5117 (2007/10/02)

The kinetics for the extrusion of benzene from norcaradiene adducts 11 and 12 have been measured.The high 11/12 rate ratio, 8.9E3, was shown to be due to homoaromatic interactions in the cycloreversion transition state emanating from 11.This conclusion was reached after studying the benzene extrusion kinetics for several model compounds, including 20.The syntheses of the requisite compounds are fully described.

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