Description

2H-Thiopyran-3-Carboxaldehyde, Tetrahydro-, 1-Oxide (9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its unique structural motif, which combines an aldehyde functionality with a saturated thiopyran ring system, making it a versatile precursor for constructing complex sulfur-containing molecules. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for applications in medicinal chemistry and material science. The compound is supplied with CAS number 332041-54-0.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the development of novel active pharmaceutical ingredients (APIs), particularly those targeting neurological or metabolic diseases.
• Agrochemical Research: Serves as a precursor in the synthesis of new herbicides, fungicides, or plant growth regulators that leverage the sulfur heterocycle for bioactivity.
• Ligand and Catalyst Development: Used to create novel sulfur- and oxygen-containing ligands for asymmetric catalysis and metal complexation.
• Material Science Precursor: Employed in the research of organic electronic materials or polymers where the thiopyran unit can influence electronic properties.
• Chemical Biology Probes: Acts as a scaffold for developing molecular probes to study enzyme mechanisms or protein interactions.
• Flavor and Fragrance Chemistry: Potential intermediate for synthesizing complex sulfur-containing aroma compounds, subject to purity and regulatory approval.

Basic Information

Product Name	2H-Thiopyran-3-Carboxaldehyde, Tetrahydro-, 1-Oxide (9Ci)
CAS No.	332041-54-0
Molecular Formula	C6H10O2S
Molecular Weight	146.21 g/mol
Synonyms	Tetrahydro-2H-thiopyran-3-carboxaldehyde 1-oxide; 3-Formyltetrahydro-2H-thiopyran 1-oxide; Tetrahydro-2H-thiopyran-3-carbaldehyde 1-oxide; 1-Oxido-3-thioniabicyclo[3.1.0]hexane-3-carboxaldehyde; 332041-54-0; Thiopyran-3-carboxaldehyde, tetrahydro-, 1-oxide
EINECS	Contact for details

Quality Control

Our 2H-Thiopyran-3-Carboxaldehyde, Tetrahydro-, 1-Oxide (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C. Allow the container to reach ambient temperature before opening to minimize moisture ingress and degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.