Description

Isoxazole, 5-(2-Thienyl)- (9Ci) CAS NO 138716-44-6 is a high-purity heterocyclic compound featuring a fused isoxazole and thiophene ring system, serving as a critical synthetic intermediate and building block in advanced organic chemistry. Its unique molecular architecture makes it a valuable scaffold for developing novel materials and active pharmaceutical ingredients (APIs) with tailored properties. This compound is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for its versatility in constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic structure for bioactivity.
• Material Science: Serves as a precursor for organic electronic materials, such as organic semiconductors and light-emitting diodes (OLEDs).
• Chemical Synthesis: Acts as a versatile synthon in organic chemistry for constructing complex fused-ring systems and functionalized heterocycles.
• Academic & Industrial R&D: Employed in discovery chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Coordination Chemistry: Potential ligand for metal-organic frameworks (MOFs) and catalysts due to its nitrogen and sulfur donor atoms.

Basic Information

Product Name	Isoxazole, 5-(2-Thienyl)- (9Ci)
CAS No.	138716-44-6
Molecular Formula	C7H5NOS
Molecular Weight	151.19 g/mol
Synonyms	5-(Thiophen-2-yl)isoxazole; 5-(2-Thienyl)isoxazole; 2-Thienyl-5-isoxazole; 5-(2-Thienyl)-1,2-oxazole; Thiophene-2-isoxazole derivative; Isoxazole, 5-(2-thienyl)-; 138716-44-6; 5-(Thiophene-2-yl)-1,2-oxazole
EINECS	Contact for details

Quality Control

Our Isoxazole, 5-(2-Thienyl)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, handling and storage should minimize exposure to direct light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	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.