Description

Ethyl 2-Formyl-4H-Thieno[3,2-B]Pyrrole-5-Carboxylate is a high-value heterocyclic building block and key synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in advanced pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Serves as a key building block for developing new-generation pesticides, herbicides, and fungicides with enhanced efficacy.
• Organic Electronic Materials: Used in the research and development of organic semiconductors, OLEDs (Organic Light-Emitting Diodes), and other electronic materials due to its fused thienopyrrole structure.
• Dye and Pigment Chemistry: Acts as an intermediate for synthesizing specialized dyes, pigments, and photochromic compounds.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic synthesis and heterocyclic chemistry.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific molecule production.

Basic Information

Product Name	Ethyl 2-Formyl-4H-Thieno[3,2-B]Pyrrole-5-Carboxylate
CAS No.	59958-27-9
Molecular Formula	C10H9NO3S
Molecular Weight	223.25 g/mol
Synonyms	Ethyl 2-formyl-4H-thieno[3,2-b]pyrrole-5-carboxylate; 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid, 2-formyl-, ethyl ester; 2-Formyl-4H-thieno[3,2-b]pyrrole-5-carboxylic acid ethyl ester; Ethyl 2-formyl-4H-thieno[3,2-b]pyrrole-5-carboxylate; 59958-27-9; Thienopyrrole-5-carboxylate derivative
EINECS	Contact for details

Quality Control

Our Ethyl 2-Formyl-4H-Thieno[3,2-B]Pyrrole-5-Carboxylate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets exacting R&D and process chemistry standards. Comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.