Description

1,2,3,6-Tetrahydro-2,2,6,6-Tetramethyl-4-Pyridinecarboxylic Acid Methyl Ester is a specialized heterocyclic compound that serves as a key intermediate in advanced organic synthesis. Its value lies in its rigid, sterically hindered piperidine structure, which is crucial for developing high-performance materials and active pharmaceutical ingredients. This product is essential for R&D chemists and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to incorporate stable nitroxyl precursor moieties into their molecules.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of HALS (Hindered Amine Light Stabilizers) precursors and nitroxide-based contrast agents for medical imaging.
• Polymer Additive Synthesis: Used to manufacture advanced light and thermal stabilizers for plastics, coatings, and synthetic fibers to prevent degradation.
• Agrochemical Active Ingredient Development: Serves as a core scaffold for creating novel compounds with potential herbicidal or pesticidal activity.
• Research & Development: Employed in academic and industrial labs as a stable nitroxyl radical precursor for studying reaction mechanisms and developing new catalysts.
• Specialty Chemical Synthesis: A versatile intermediate for creating complex molecules used in electronics, adhesives, and other high-value chemical applications.

Basic Information

Product Name	1,2,3,6-Tetrahydro-2,2,6,6-Tetramethyl-4-Pyridinecarboxylic Acid Methyl Ester
CAS No.	70644-44-9
Molecular Formula	C11H19NO2
Molecular Weight	197.27 g/mol
Synonyms	Methyl 2,2,6,6-tetramethyl-1,2,3,6-tetrahydropyridine-4-carboxylate; 4-Pyridinecarboxylic acid, 1,2,3,6-tetrahydro-2,2,6,6-tetramethyl-, methyl ester; Methyl 2,2,6,6-tetramethyl-4-piperidinecarboxylate (tautomer); TEMPO methyl ester precursor; 2,2,6,6-Tetramethyl-4-carbomethoxypiperidine
EINECS	Contact for details

Quality Control

Our production of 1,2,3,6-Tetrahydro-2,2,6,6-Tetramethyl-4-Pyridinecarboxylic Acid Methyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency meet exacting standards. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee supply reliability and product integrity for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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