Description

6H-Cyclopenta[B]Thiophen-6-One,4,5-Dihydro-5-Hydroxy-(9Ci) is a high-purity, advanced pharmaceutical intermediate characterized by its unique fused-ring thiophene structure. This compound is critical for synthetic chemists developing novel active pharmaceutical ingredients (APIs) and fine chemicals, offering a versatile building block for complex molecular architectures. It is primarily utilized in research and development for the pharmaceutical and agrochemical industries, where precise chemical synthesis is paramount.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science Precursor: Serves as a starting material for synthesizing specialized organic semiconductors or conductive polymers due to the thiophene moiety.
• Academic & R&D Laboratories: Employed in methodological studies and organic synthesis research for constructing complex polycyclic systems.
• Fine Chemical Synthesis: Utilized in custom synthesis and contract manufacturing for producing high-value, low-volume specialty chemicals.

Basic Information

Product Name	6H-Cyclopenta[B]Thiophen-6-One,4,5-Dihydro-5-Hydroxy-(9Ci)
CAS No.	827609-10-9
Molecular Formula	C7H6O2S
Molecular Weight	154.19 g/mol
Synonyms	4,5-Dihydro-5-hydroxy-6H-cyclopenta[b]thiophen-6-one; 5-Hydroxy-4,5-dihydro-6H-cyclopenta[b]thiophen-6-one; 6H-Cyclopenta[b]thiophen-6-one, 4,5-dihydro-5-hydroxy-; Dihydroxycyclopentathiophenone; Cyclopentathiophenone derivative; Advanced thiophene intermediate; Fused-ring thiophene building block.
EINECS	Contact for details

Quality Control

Our 6H-Cyclopenta[B]Thiophen-6-One,4,5-Dihydro-5-Hydroxy-(9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our commitment to quality supports compliance in cGMP and ISO 9001 environments for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Heavy Metals	≤ 10 ppm

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