Description

3-Thioxo-8,9,11-Trimethyl-2,4-Diazaspiro[5.5]Undec-8-Ene-1,5-Dione is a specialized heterocyclic organic compound featuring a unique spirocyclic and thioxo functional group architecture. This complex structure makes it a valuable high-purity intermediate for advanced chemical synthesis, particularly in the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought by research institutions and fine chemical manufacturers engaged in medicinal chemistry, agrochemical research, and material science.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, or plant growth regulators due to its complex heterocyclic core.
• Material Science: Acts as a precursor for advanced polymers, ligands for catalysis, or organic electronic materials.
• Academic & R&D: Employed in university and corporate research laboratories for studying structure-activity relationships (SAR) and novel synthetic methodologies.
• Custom Synthesis: A critical starting material for contract research organizations (CROs) and CDMOs producing bespoke compounds for client projects.

Basic Information

Product Name	3-Thioxo-8,9,11-Trimethyl-2,4-Diazaspiro[5.5]Undec-8-Ene-1,5-Dione
CAS No.	67196-44-5
Molecular Formula	C12H16N2O2S
Molecular Weight	252.33 g/mol
Synonyms	8,9,11-Trimethyl-3-thioxo-2,4-diazaspiro[5.5]undec-8-ene-1,5-dione; 2,4-Diazaspiro[5.5]undec-8-ene-1,5-dione, 3-thioxo-8,9,11-trimethyl-; Spiro[cyclohexane-1,5'-imidazolidine]-2',4'-dione, 3'-thioxo-1,2',3'-trimethyl- (related structural naming); 67196-44-5; Thioxo-diazaspiro compound; Trimethyl diazaspiro dione thione.
EINECS	Contact for details

Quality Control

We supply 3-Thioxo-8,9,11-Trimethyl-2,4-Diazaspiro[5.5]Undec-8-Ene-1,5-Dione in high-purity grades suitable for research and commercial synthesis. Our products undergo rigorous quality testing using advanced analytical techniques (HPLC, GC-MS, NMR) to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided with each batch, detailing all critical specifications. We adhere to a strict quality management system to guarantee supply reliability for your critical projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound may be light-sensitive and should be handled under an inert atmosphere for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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