Description

3-Carbamoyl-2,2,5,5-tetramethyl-3-pyrrolin-1-yloxy is a stable nitroxide radical compound, widely recognized for its utility as a spin label and probe in electron paramagnetic resonance (EPR) spectroscopy. Its primary value lies in its ability to provide critical insights into molecular dynamics, structure, and local environment within complex biological and synthetic systems. This makes it an essential research-grade chemical for scientists and developers in the fields of biophysics, structural biology, polymer science, and materials research.

Application

• EPR/ESR Spectroscopy: Serving as a versatile spin label for studying protein dynamics, membrane fluidity, and macromolecular interactions.
• Structural Biology Research: Used as a site-directed spin label (SDSL) to investigate protein folding, conformational changes, and domain movements.
• Polymer & Materials Science: Acting as a radical probe to analyze polymer chain mobility, cross-linking density, and the microstructure of advanced materials.
• Antioxidant & Radical Scavenging Studies: Employed as a model compound or standard in research focused on oxidative stress and free radical chemistry.
• Pharmaceutical Research: Utilized in drug discovery for probing ligand-receptor interactions and studying the behavior of lipid bilayers in drug delivery systems.
• Spin Trapping: Functioning as a spin trap in certain applications to detect and identify short-lived radical intermediates in chemical reactions.

Basic Information

Product Name	3-Carbamoyl-2,2,5,5-tetramethyl-3-pyrrolin-1-yloxy
CAS No.	3229-73-0
Molecular Formula	C9H17N2O2
Molecular Weight	185.25 g/mol
Synonyms	3-Carbamoyl-2,2,5,5-tetramethylpyrrolin-1-oxyl; 3-Carbamoyl-PROXYL; 3-CP; 3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidinyloxy; 3-Carbamoyl-2,2,5,5-tetramethyl-δ1-pyrrolin-1-oxyl; 3-Carbamoyl-2,2,5,5-tetramethyl-3-pyrroline-1-oxyl; 3-Carbamoyl-2,2,5,5-tetramethyl-δ3-pyrrolin-1-oxyl
EINECS	221-759-4

Quality Control

Our 3-Carbamoyl-2,2,5,5-tetramethyl-3-pyrrolin-1-yloxy is produced under strict quality management protocols to ensure high purity and batch-to-batch consistency, critical for sensitive spectroscopic applications. Each lot undergoes comprehensive analytical testing, including HPLC for purity and EPR for radical integrity. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with our rigorous research-grade specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity, the product should be stored under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation and ensure long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
EPR Analysis	Confirms nitroxide radical character
Melting Point	Contact for details
Residue on Ignition	< 0.5%
Heavy Metals (as Pb)	< 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.