Description

2-(4-Acetoxy-3-Chloro-1-Butyn-1-Yl)-5-(1,3-Butadiyn-1-Yl)Thiophene is a specialized organic compound featuring a thiophene core functionalized with acetylene and chloroacetate groups. This unique molecular architecture makes it a valuable advanced intermediate for synthesizing complex heterocyclic systems and functional materials. It is primarily sought by pharmaceutical research and advanced material science sectors for developing novel active ingredients and organic electronic components.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in oncology and antiviral research.
• Organic Semiconductor Precursor: Used in the development of conjugated polymers and small molecules for organic light-emitting diodes (OLEDs) and field-effect transistors (OFETs).
• Agrochemical Research: Serves as a sophisticated intermediate in creating new-generation herbicides and fungicides with targeted activity.
• Material Science: Employed in the synthesis of specialty dyes, pigments, and photoactive materials due to its extended pi-conjugation.
• Academic & R&D: A crucial reagent for methodological studies in synthetic organic chemistry and catalysis involving alkynes and heterocycles.

Basic Information

Product Name	2-(4-Acetoxy-3-Chloro-1-Butyn-1-Yl)-5-(1,3-Butadiyn-1-Yl)Thiophene
CAS No.	114691-31-5
Molecular Formula	C14H9ClO2S
Molecular Weight	276.74 g/mol
Synonyms	2-(4-Acetoxy-3-chlorobut-1-yn-1-yl)-5-(buta-1,3-diyn-1-yl)thiophene; 2,5-Bis(alkynyl)thiophene derivative; 3-Chloro-4-acetoxy-1-butynyl-5-(1,3-butadiynyl)thiophene; Thiophene, 2-[4-(acetyloxy)-3-chloro-1-butyn-1-yl]-5-(1,3-butadiyn-1-yl)-; ACBT (common abbreviation)
EINECS	Contact for details

Quality Control

We maintain a rigorous quality management system to ensure batch-to-batch consistency and high purity. Our products undergo comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment. We adhere to cGMP principles for handling advanced pharmaceutical intermediates to ensure traceability and data integrity.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); therefore, containers must be kept sealed under an inert atmosphere such as nitrogen or argon for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.