Description

Thieno[2,3-D]Pyrimidin-4(1H)-One, 2-Methyl-5-(2-Methylpropyl)- (9Ci) is a high-value heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its fused thienopyrimidine core structure makes it a versatile intermediate for developing novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for its role in creating molecules with targeted biological and physical properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for kinase inhibitors and other targeted therapies.
• Agrochemical Research: Used in developing new active ingredients for crop protection products, such as herbicides and fungicides.
• Material Science: Building block for creating organic semiconductors, liquid crystals, and other advanced functional materials.
• Chemical Synthesis: Versatile scaffold for medicinal chemistry and combinatorial library development in drug discovery programs.
• Academic & Contract Research: Essential reagent for fundamental research in heterocyclic chemistry and organic synthesis methodologies.

Basic Information

Product Name	Thieno[2,3-D]Pyrimidin-4(1H)-One, 2-Methyl-5-(2-Methylpropyl)- (9Ci)
CAS No.	795293-69-5
Molecular Formula	C11H14N2OS
Molecular Weight	222.31 g/mol
Synonyms	2-Methyl-5-(2-methylpropyl)thieno[2,3-d]pyrimidin-4(1H)-one; 2-Methyl-5-isobutyl-1H-thieno[2,3-d]pyrimidin-4-one; 795293-69-5; Thieno[2,3-d]pyrimidin-4(1H)-one, 2-methyl-5-(2-methylpropyl)-; 2-Methyl-5-isobutylthieno[2,3-d]pyrimidin-4(1H)-one; 5-Isobutyl-2-methyl-1H-thieno[2,3-d]pyrimidin-4-one
EINECS	Contact for details

Quality Control

Our Thieno[2,3-D]Pyrimidin-4(1H)-One, 2-Methyl-5-(2-Methylpropyl)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP compliance for pharmaceutical applications and can tailor purity grades to meet specific project requirements.

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. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

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