Description

Thieno[2,3-D]Pyrimidin-4(3H)-One, 6-Ethyl-3-Propyl- (9Ci) is a high-purity heterocyclic organic compound belonging to the thienopyrimidine class, serving as a critical advanced pharmaceutical intermediate. Its value lies in its role as a sophisticated building block for the synthesis of novel active pharmaceutical ingredients (APIs) and agrochemicals, enabling complex molecular architectures. This product is essential for research and development chemists, process chemists, and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries who require reliable, high-quality intermediates for drug discovery and production.

Application

• Pharmaceutical Intermediate: A key building block in the research and synthesis of novel drug candidates, particularly in therapeutic areas targeting kinases and other enzymes.
• Agrochemical Synthesis: Used in the development of new pesticides, herbicides, and fungicides due to its bioactive heterocyclic core structure.
• Organic Light-Emitting Diodes (OLEDs): Potential application as an electron-transport or host material in the development of advanced organic electronic materials.
• Material Science Research: Serves as a precursor for creating novel organic compounds with specific optical or electronic properties.
• Academic & Industrial R&D: A valuable reagent for medicinal chemistry programs and process development in both university and corporate laboratory settings.

Basic Information

Product Name	Thieno[2,3-D]Pyrimidin-4(3H)-One, 6-Ethyl-3-Propyl- (9Ci)
CAS No.	667903-48-2
Molecular Formula	C11H14N2OS
Molecular Weight	222.31 g/mol
Synonyms	6-Ethyl-3-propyl-3H-thieno[2,3-d]pyrimidin-4-one; 6-Ethyl-3-propylthieno[2,3-d]pyrimidin-4(3H)-one; 3H-Thieno[2,3-d]pyrimidin-4-one, 6-ethyl-3-propyl-; 667903-48-2; Thieno[2,3-d]pyrimidin-4(3H)-one, 6-ethyl-3-propyl-; 6-Ethyl-3-propyl-4H-thieno[2,3-d]pyrimidin-4-one
EINECS	Contact for details

Quality Control

Our production of Thieno[2,3-D]Pyrimidin-4(3H)-One, 6-Ethyl-3-Propyl- (9Ci) adheres to stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP standards for pharmaceutical applications, and our quality commitment ensures compliance with relevant industry and regulatory expectations.

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 storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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