4-Oxo-TEMPO-d16, free radical

CAS 36763-53-8C9D16NO2Chemical Synthesis

4-Oxo-TEMPO-d16, free radical (CAS 36763-53-8) is a deuterated stable nitroxide radical with the empirical formula C9D16NO2. This isotopically labelled compound is primarily used in electron spin resonance (ESR) spectroscopy due to the deuterium substitution which can influence spectral properties. It serves as a specialised reagent in radical chemistry and synthetic organic chemistry, offering unique advantages in research applications requiring labelled free radicals for mechanistic studies.

IUPAC: 4-Oxo-,2,2,6,6-tetramethylpiperidine-d16-1-oxyl,TEMPONE-d16
Synonyms: C9D16NO24-Oxo-2,2,6,6-tetramethylpiperidine-d16-1-oxylTEMPONE-d16

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4-Oxo-TEMPO-d16, free radical (C9D16NO2) — chemical structure, CAS 36763-53-8; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisRadical ChemistryStable IsotopesStable RadicalsSynthetic ReagentsTEMPO Derivatives More...

01 /Applications

Electron Spin Resonance (ESR) Spectroscopy

Utilised as a spin probe or standard in ESR spectroscopy, its deuterated nature allows for distinct spectral signatures and studies of solvent effects or molecular dynamics.

Radical Chemistry Research

Serves as a stable radical source in mechanistic investigations and studies involving radical reactions, where isotopic labelling can aid in reaction pathway elucidation.

Synthetic Organic Chemistry

Employed as a reagent or catalyst in specific synthetic transformations, particularly where controlled radical generation or mediation is required.

Isotope Labelling Studies

Essential for research requiring the introduction of deuterium into radical species, facilitating NMR or other spectroscopic analyses of reaction intermediates.

02 /Properties

Molecular weight	186.33
Empirical formula	C9D16NO2
Grade	for ESR-spectroscopy
Melting point	35 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Environmental hazard (GHS09) — Environmental hazard

Warning

Hazard statements

H400Very toxic to aquatic life

Precautionary statements

P273Avoid release to the environment

Transport (UN / ADR)	UN 3077 9 / PGIII
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

36763-53-8

MDL number

MFCD01075420

05 /Additional specifications

Mol Wt	mol wt 185.85 by atom % calculation
Isotopic Purity	97 atom % D
Mass Shift	M+16

06 /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.

07 /Frequently asked questions

What is 4-Oxo-TEMPO-d16, free radical used for?

This compound is primarily used in Electron Spin Resonance (ESR) spectroscopy due to its stable radical nature and deuterium labelling. It also finds applications in radical chemistry research and synthetic organic chemistry.

What is the CAS number and formula for 4-Oxo-TEMPO-d16, free radical?

The CAS number is 36763-53-8, and its empirical formula is C9D16NO2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 4-Oxo-TEMPO-d16, free radical specifically for ESR-spectroscopy, with an isotopic purity of 97 atom % D. TSS does not represent this product as USP, BP, EP or pharmacopoeia grade.

What are the safety and handling considerations for this product?

This product is classified as very toxic to aquatic life (H400). It is classified as a marine pollutant (UN 3077). Handle with appropriate personal protective equipment in a well-ventilated area, and avoid release to the environment (P273).

How is 4-Oxo-TEMPO-d16, free radical shipped and exported?

Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, capable of shipping and exporting 4-Oxo-TEMPO-d16, free radical worldwide in compliance with relevant regulations.

How can I request a quote or sample for 4-Oxo-TEMPO-d16, free radical?

To request a quote or sample, please contact our sales team via the website or your dedicated account manager, providing the product name and CAS number (36763-53-8).