Description

2H-Pyran-2,6(3H)-Dione, 3-(1-Hydroxyethylidene)-4-Methyl-, (3Z)- (9Ci) is a specialized heterocyclic compound belonging to the pyran-2,6-dione class, serving as a versatile synthetic intermediate. Its unique structure, featuring a hydroxylated ethylidene substituent, makes it a valuable precursor for constructing complex molecular architectures in advanced organic synthesis. This high-purity building block is essential for researchers and manufacturers in the pharmaceutical and fine chemical industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly for complex heterocyclic scaffolds.
• Fine Chemical Synthesis: Used in the preparation of specialty chemicals, agrochemicals, and advanced materials requiring specific pyran-dione motifs.
• Academic & Industrial Research: Serves as a critical reagent in methodological development and exploration of new chemical reactions.
• Ligand and Catalyst Development: Potential precursor for creating chelating ligands or organocatalysts due to its oxygen-rich functional groups.

Basic Information

Product Name	2H-Pyran-2,6(3H)-Dione, 3-(1-Hydroxyethylidene)-4-Methyl-, (3Z)- (9Ci)
CAS No.	368876-44-2
Molecular Formula	C8H10O4
Molecular Weight	170.16 g/mol
Synonyms	3-(1-Hydroxyethylidene)-4-methyl-2H-pyran-2,6(3H)-dione; (3Z)-3-(1-Hydroxyethylidene)-4-methyl-2H,6H-pyran-2,6-dione; 4-Methyl-3-(1-hydroxyethylidene)-2H-pyran-2,6(3H)-dione; 3-(1-Hydroxyethylidene)-4-methyl-2,6-pyrandione; 3-Acetyl-4-methyl-2H-pyran-2,6(3H)-dione enol form; Z-Isomer of 3-(1-Hydroxyethylidene)-4-methylpyran-2,6-dione
EINECS	Contact for details

Quality Control

Our production of 2H-Pyran-2,6(3H)-Dione, 3-(1-Hydroxyethylidene)-4-Methyl-, (3Z)- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for research and synthesis. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and mass spectrometry. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory documentation.

Storage

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

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%

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