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Spiro[4.4]nonane is a cyclic alkane with a unique structure, consisting of two fused cyclohexane rings connected by a spiro carbon atom. This organic compound has the molecular formula C9H18 and is characterized by its non-aromatic, saturated nature. It is a colorless liquid with a low melting point and boiling point, and it is insoluble in water but soluble in organic solvents. Spiro[4.4]nonane is synthesized through various chemical reactions, such as the Diels-Alder reaction or the intramolecular cyclization of appropriate precursors. Due to its rigid and strained structure, it has limited industrial applications; however, it serves as a valuable model compound for studying the properties of cyclic alkanes and as a potential building block for more complex organic molecules.

175-93-9

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175-93-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 175-93-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,7 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 175-93:
(5*1)+(4*7)+(3*5)+(2*9)+(1*3)=69
69 % 10 = 9
So 175-93-9 is a valid CAS Registry Number.

175-93-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name Spiro(4.4)nonane

1.2 Other means of identification

Product number -
Other names -

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:175-93-9 SDS

175-93-9Downstream Products

175-93-9Relevant academic research and scientific papers

Polyspiranes, 16. - Cascade Rearrangements, 11. - Synthesis, Structure, Conformation, and Dynamics of Heptacyclo1,5.05,9.09,13.013,17.017,21>tetracosane (Coronane)

Wehle, Detlef,Schormann, Norbert,Fitjer, Lutz

, p. 2171 - 2178 (2007/10/02)

Coronane (2) was synthesized by addition of allylmagnesium bromide to ketone 7, rearrangement of the resulting homoallyl alcohol 8a to diene 9, hydrozirconization of 9 followed by bromination to give 11, and finally radical cyclization of 11.A direct cyclization of 9 using tri(n-butyl)tin hydride failed. 2 is all-cis-configurated, adopts a chair conformation in the crystal state and in solution and exhibits an extremely low barrier of inversion (ΔG(excit.)173 /= 8.6 kcal/mol).

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