Description

4H-Thiopyran-4-One, Tetrahydro-3-(Hydroxymethylene)-, (3E)- (9Ci) is a specialized heterocyclic building block featuring a thiopyranone core with a hydroxymethylene functional group. This compound matters as a versatile synthetic intermediate, enabling the construction of complex sulfur-containing molecules for advanced research and development. It is primarily needed by pharmaceutical R&D teams, agrochemical scientists, and specialty chemical manufacturers exploring novel bioactive compounds and materials chemistry.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Research: Used in developing new active ingredients for crop protection agents, leveraging its unique sulfur heterocycle.
• Material Science: Acts as a monomer or functional additive in the research of advanced polymers and organic electronic materials.
• Chemical Synthesis: Employed as a versatile building block for constructing complex thiopyran and fused heterocyclic systems in organic chemistry.
• Ligand & Catalyst Development: Useful for creating novel chelating ligands in coordination chemistry and catalysis research.
• Flavor & Fragrance Chemistry: Investigated for the synthesis of sulfur-containing aroma compounds.

Basic Information

Product Name	4H-Thiopyran-4-One, Tetrahydro-3-(Hydroxymethylene)-, (3E)- (9Ci)
CAS No.	248580-50-9
Molecular Formula	C6H8O2S
Molecular Weight	144.19 g/mol
Synonyms	(3E)-Tetrahydro-3-(hydroxymethylene)-4H-thiopyran-4-one; 3-(Hydroxymethylene)tetrahydro-4H-thiopyran-4-one; Tetrahydro-3-(hydroxymethylene)-4H-thiopyran-4-one; 4H-Thiopyran-4-one, tetrahydro-3-(hydroxymethylene)-, (3E)-; 248580-50-9; (E)-3-(Hydroxymethylene)tetrahydro-4H-thiopyran-4-one
EINECS	Contact for details

Quality Control

Our 4H-Thiopyran-4-One, Tetrahydro-3-(Hydroxymethylene)-, (3E)- (9Ci) is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity (typically ≥95% by HPLC), physical characteristics, and impurity profiles is provided with each shipment to support your quality assurance and regulatory requirements.

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 material is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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