Description

2-Thiophenecarboxaldehyde,Oxime,(E)-(9Ci) is a specialized organic compound belonging to the class of thiophene derivatives, specifically the (E)-isomer of the oxime of 2-thiophenecarboxaldehyde. This compound matters as a versatile and valuable chemical building block and ligand precursor in advanced organic synthesis and materials science. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly those containing heterocyclic thiophene cores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the thiophene moiety can impart specific biological activity.
• Ligand for Catalysis: Acts as a precursor for the synthesis of N,O-bidentate ligands used in transition metal catalysis for asymmetric synthesis and cross-coupling reactions.
• Material Science Research: Employed in the development of organic semiconductors, conductive polymers, and other functional materials due to its electron-rich thiophene structure.
• Fine Chemical Production: Utilized in custom and contract manufacturing for producing high-value, low-volume specialty chemicals.
• Academic & Industrial R&D: A critical reagent for methodological studies in organic chemistry and for exploring new reaction pathways.

Basic Information

Product Name	2-Thiophenecarboxaldehyde,Oxime,(E)-(9Ci)
CAS No.	38266-87-4
Molecular Formula	C6H5NOS
Molecular Weight	139.17 g/mol
Synonyms	(E)-2-Thiophenecarboxaldehyde oxime; (E)-Thiophene-2-carbaldehyde oxime; (E)-2-Thenylaldoxime; (E)-2-Thienylaldoxime; (E)-2-Formylthiophene oxime; (E)-2-Thiophene aldoxime; (E)-2-Carboxaldehydethiophene oxime; (E)-2-Thienylformaldoxime
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarboxaldehyde,Oxime,(E)-(9Ci) is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation and isomeric ratio. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and physical properties is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
(E)-Isomer Content (HPLC)	≥ 95.0%
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.