16-Doxyl-stearic acid methyl ester

CAS 59719-53-8C23H44NO4Chemical Synthesis

16-Doxyl-stearic acid methyl ester (CAS: 59719-53-8, C23H44NO4) is a nitroxide spin label. It is primarily utilised as a spin label reagent in electron spin resonance (ESR) spectrophotometry for investigating membrane fluidity. This compound serves as a valuable tool in biochemical and biophysical research for probing lipid environments and molecular dynamics within biological membranes.

IUPAC: 2-Ethyl-2-(15-methoxy-15-oxopentadecyl)-4,4-dimethyl-3-oxazolidinyloxy, free radical

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16-Doxyl-stearic acid methyl ester (C23H44NO4) — chemical structure, CAS 59719-53-8; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisHeterocyclic Building BlocksOxazolines/Oxazolidines

01 /Applications

Membrane Fluidity Studies

Employed as a spin label reagent in electron spin resonance (ESR) spectrophotometry to study the dynamic properties and fluidity of biological membranes. Its structure allows it to integrate into lipid bilayers, reporting on the local environment.

Biophysical Research

A useful tool for investigating molecular dynamics and the physical state of lipid membranes. It aids in understanding phase transitions, order parameters, and the effects of various agents on membrane structure.

Chemical Synthesis Building Block

Serves as a heterocyclic building block, potentially used in the synthesis of more complex molecules where a nitroxide functional group or a fatty acid ester derivative is required.

02 /Properties

Molecular weight	398.60
Empirical formula	C23H44NO4
Solubility	methanol: soluble5%, clear to slightly hazy, yellow
Storage temperature	2-8°C
Application	Spin label reagent useful for the study of membrane fluidity by electron spin resonance spectrophotometry.

03 /Safety & handling

Flash point	113 °C / 235.4 °F
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

59719-53-8

MDL number

MFCD00010155

PubChem substance

24855316

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 16-Doxyl-stearic acid methyl ester used for?

16-Doxyl-stearic acid methyl ester is a spin label reagent useful for the study of membrane fluidity by electron spin resonance spectrophotometry.

What are the CAS number and molecular formula?

The CAS number is 59719-53-8 and the empirical formula (Hill notation) is C23H44NO4.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this product for research and chemical synthesis applications. The specific assay and purity are detailed in the product's Certificate of Analysis. TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.

What are the safety and handling considerations?

This compound has a flash point of 113 °C (235.4 °F) and is classified under WGK Germany as 3, indicating a high hazard to water. Handle with appropriate personal protective equipment in a well-ventilated area, away from ignition sources.

How is 16-Doxyl-stearic acid methyl ester packed and shipped?

Products are carefully packed according to standard chemical handling procedures and are available for export worldwide. Specific packaging details can be provided upon request.