Description

(6-Ethyl-Thieno[2,3-D]Pyrimidin-4-Ylsulfanyl)-Acetic Acid is a high-purity, advanced pharmaceutical intermediate characterized by its unique thienopyrimidine scaffold functionalized with an acetic acid moiety. This compound is critical for the synthesis of novel active pharmaceutical ingredients (APIs) targeting specific disease pathways. It is primarily required by research institutions and pharmaceutical manufacturers engaged in the development of kinase inhibitors and other small-molecule therapeutics.

Application

• Pharmaceutical Intermediate: Key building block in the research and synthesis of novel drug candidates, particularly kinase inhibitors.
• Chemical Research: Used in medicinal chemistry for structure-activity relationship (SAR) studies and lead optimization.
• Biochemical Tool Compound: Serves as a precursor for developing probes to study enzyme function and cellular signaling pathways.
• Custom Synthesis: Employed by contract research and manufacturing organizations (CROs/CMOs) for client-specific molecule development.

Basic Information

Product Name	(6-Ethyl-Thieno[2,3-D]Pyrimidin-4-Ylsulfanyl)-Acetic Acid
CAS No.	314034-15-6
Molecular Formula	C10H10N2O2S2
Molecular Weight	254.33 g/mol
Synonyms	4-[(6-Ethylthieno[2,3-d]pyrimidin-4-yl)thio]acetic acid; 2-[(6-Ethylthieno[2,3-d]pyrimidin-4-yl)sulfanyl]acetic acid; (6-Ethyl-4-thioxo-3,4-dihydrothieno[2,3-d]pyrimidin-4-yl)acetic acid; 6-Ethyl-4-mercaptothieno[2,3-d]pyrimidine-4-acetic acid; 4-Carboxymethylthio-6-ethylthieno[2,3-d]pyrimidine; CAS 314034-15-6
EINECS	Contact for details

Quality Control

Our (6-Ethyl-Thieno[2,3-D]Pyrimidin-4-Ylsulfanyl)-Acetic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for pharmaceutical research. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
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.