Description

(1-Oxyl-2,2,5,5-Tetramethyl-3-Pyrroline)Formaldehyde is a stable nitroxide radical derivative, serving as a crucial spin label and spin trap in advanced spectroscopic research. This compound matters for its ability to provide detailed insights into molecular structure, dynamics, and interactions through techniques like Electron Paramagnetic Resonance (EPR) spectroscopy. It is primarily needed by researchers and manufacturers in the fields of biophysics, polymer science, and materials chemistry for probing complex systems.

Application

• Spin Labeling in Biophysics: Used to tag proteins, nucleic acids, and membranes to study conformational changes, protein folding, and molecular distances via site-directed spin labeling (SDSL).
• Polymer & Materials Science: Acts as a probe for investigating polymer chain dynamics, cross-linking density, and the microstructure of synthetic and natural polymers.
• Antioxidant & Radical Scavenging Studies: Employed as a stable radical to study antioxidant mechanisms and evaluate the radical scavenging activity of various compounds.
• EPR Spectroscopy Standards: Serves as a calibration standard and reference material in quantitative EPR measurements due to its stable radical nature.
• Structural Biology Research: Utilized in distance measurements (DEER/PELDOR experiments) to determine three-dimensional structures of biomacromolecules.
• Surface & Interface Analysis: Applied to study surface properties, adsorption phenomena, and the behavior of molecules at interfaces.

Basic Information

Product Name	(1-Oxyl-2,2,5,5-Tetramethyl-3-Pyrroline)Formaldehyde
CAS No.	71051-83-7
Molecular Formula	C9H14NO2
Molecular Weight	168.21 g/mol
Synonyms	3-Formyl-2,2,5,5-tetramethyl-1-pyrrolin-1-oxyl; 3-Formyl-2,2,5,5-tetramethyl-3-pyrroline-1-oxyl; 2,2,5,5-Tetramethyl-3-formyl-1-pyrrolin-1-oxyl; 3-Carbaldehyde-2,2,5,5-tetramethyl-1-pyrrolin-1-oxyl; 3-Formyl-PROXYL; 3-Formyl-TEMPO derivative; 1-Oxyl-2,2,5,5-tetramethyl-δ3-pyrroline-3-carboxaldehyde
EINECS	Contact for details

Quality Control

Our (1-Oxyl-2,2,5,5-Tetramethyl-3-Pyrroline)Formaldehyde is produced under strict quality protocols to ensure high purity and batch-to-batch consistency, critical for sensitive research applications. All products undergo rigorous analytical testing, including EPR spectroscopy and HPLC, to verify identity, purity, and radical stability. A comprehensive Certificate of Analysis (COA) detailing assay results, impurity profiles, and physical characteristics is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive; prolonged exposure to light should be avoided to maintain radical stability. Keep the container tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (EPR)	Characteristic triplet signal
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%
Solubility	Soluble in common organic solvents (e.g., ethanol, acetone, chloroform)

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