Description

2-(2-Propynyl)-2-Azaspiro(4.4)Nonane-1,3-Dione is a specialized organic compound featuring a unique spirocyclic and propargyl-substituted structure. This molecular architecture makes it a valuable advanced intermediate in the synthesis of complex molecules, particularly in pharmaceutical research and development. It is primarily sought by R&D chemists and process development scientists in the agrochemical, pharmaceutical, and material science industries for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially those targeting neurological or metabolic pathways.
• Agrochemical Research: Used in developing new active ingredients for crop protection products, leveraging its reactive propargyl group.
• Material Science: Serves as a precursor for specialty polymers or ligands in catalytic systems due to its rigid spirocyclic core.
• Chemical Synthesis: A versatile synthon for introducing the 2-azaspiro[4.4]nonane-1,3-dione moiety into more complex molecular frameworks.
• Academic & Industrial R&D: Employed in research laboratories for methodological studies and the exploration of new chemical spaces.

Basic Information

Product Name	2-(2-Propynyl)-2-Azaspiro(4.4)Nonane-1,3-Dione
CAS No.	92367-74-3
Molecular Formula	C12H13NO2
Molecular Weight	203.24 g/mol
Synonyms	2-(Prop-2-yn-1-yl)-2-azaspiro[4.4]nonane-1,3-dione; 2-Propargyl-2-azaspiro[4.4]nonane-1,3-dione; 2-Azaspiro[4.4]nonane-1,3-dione, 2-(2-propynyl)-; 92367-74-3; 2-(Prop-2-ynyl)-2-azaspiro[4.4]nonane-1,3-dione
EINECS	Contact for details

Quality Control

Our production of 2-(2-Propynyl)-2-Azaspiro(4.4)Nonane-1,3-Dione adheres to stringent in-process controls and final release testing to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the exacting standards required for research and cGMP-grade intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Loss on Drying	≤ 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.