Description

6-Propylthieno[2,3-D]Pyrimidin-4(3H)-One is a high-purity heterocyclic organic compound, specifically a thienopyrimidinone derivative, 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 research and development in targeted therapeutic areas. This product is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new molecules with potential biological activity.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly in oncology, antiviral, and anti-inflammatory therapeutic areas.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Chemical Research: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals.
• Academic & Institutional R&D: Utilized in university and research institute laboratories for exploratory synthetic chemistry and pharmacological studies.

Basic Information

Product Name	6-Propylthieno[2,3-D]Pyrimidin-4(3H)-One
CAS No.	439692-81-6
Molecular Formula	C9H10N2OS
Molecular Weight	194.25 g/mol
Synonyms	6-Propyl-4H-thieno[2,3-d]pyrimidin-4-one; 4(3H)-Thieno[2,3-d]pyrimidinone, 6-propyl-; 6-Propylthieno[2,3-d]pyrimidin-4(3H)-one; 6-n-Propylthieno[2,3-d]pyrimidin-4(3H)-one; 439692-81-6; Thieno[2,3-d]pyrimidin-4(3H)-one, 6-propyl-
EINECS	Contact for details

Quality Control

Our 6-Propylthieno[2,3-D]Pyrimidin-4(3H)-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS), to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to maximize stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Individual impurity ≤ 1.0%
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.