Description

Thieno[2,3-D]Pyrimidin-4(1H)-One, 6-Ethyl-2-(1-Methylethyl)- (9Ci) is a high-value heterocyclic organic compound belonging to the thienopyrimidinone class, which serves as a critical synthetic intermediate and scaffold in advanced chemical research. Its unique fused-ring structure makes it a versatile building block for developing novel compounds with targeted biological and material properties. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and material science industries seeking to create new active ingredients or functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a core scaffold for the synthesis of novel drug candidates, particularly in oncology, antiviral, and anti-inflammatory research programs.
• Agrochemical Development: Used as a key precursor in the research and synthesis of new herbicides, fungicides, and insecticides with enhanced efficacy.
• Material Science Research: Acts as a building block for creating organic semiconductors, liquid crystals, or advanced polymers with specific electronic or optical properties.
• Chemical Biology Probe Synthesis: Utilized to develop molecular probes for studying enzyme function and biological pathways in academic and industrial R&D.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs and fine chemical manufacturers for the production of client-specific target molecules.

Basic Information

Product Name	Thieno[2,3-D]Pyrimidin-4(1H)-One, 6-Ethyl-2-(1-Methylethyl)- (9Ci)
CAS No.	502649-06-1
Molecular Formula	C11H14N2OS
Molecular Weight	222.31 g/mol
Synonyms	6-Ethyl-2-isopropyl-1H-thieno[2,3-d]pyrimidin-4-one; 6-Ethyl-2-(1-methylethyl)-1H-thieno[2,3-d]pyrimidin-4-one; 6-Ethyl-2-isopropylthieno[2,3-d]pyrimidin-4(1H)-one; 2-Isopropyl-6-ethyl-1H-thieno[2,3-d]pyrimidin-4-one; Thieno[2,3-d]pyrimidin-4(1H)-one, 6-ethyl-2-(1-methylethyl)-; 502649-06-1
EINECS	Contact for details

Quality Control

Our production of Thieno[2,3-D]Pyrimidin-4(1H)-One, 6-Ethyl-2-(1-Methylethyl)- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials undergo rigorous analytical testing, including HPLC, NMR, and MS, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory documentation needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white 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.