Description

Thieno[2,3-D]Pyrimidin-4(1H)-One, 6-Ethyl-, Hydrazone (9Ci) is a high-purity, specialized heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. This compound is valued for its unique molecular scaffold, which is integral to the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for lead optimization and process development.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition and other enzymatic pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides due to its bioactive heterocyclic core.
• Material Science: Serves as a building block for organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs).
• Chemical Biology: Employed as a molecular probe or scaffold in the study of protein-ligand interactions and biochemical assays.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.
• Academic Research: Utilized in university and institutional labs for methodological studies in heterocyclic and medicinal chemistry.

Basic Information

Product Name	Thieno[2,3-D]Pyrimidin-4(1H)-One, 6-Ethyl-, Hydrazone (9Ci)
CAS No.	439692-51-0
Molecular Formula	C8H10N4OS
Molecular Weight	210.26 g/mol
Synonyms	6-Ethyl-1H-thieno[2,3-d]pyrimidin-4-one hydrazone; 6-Ethylthieno[2,3-d]pyrimidin-4(1H)-one hydrazone; 439692-51-0; Thieno[2,3-d]pyrimidin-4(1H)-one, 6-ethyl-, hydrazone; 6-Ethyl-4-hydrazinylidene-3,4-dihydro-1H-thieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our Thieno[2,3-D]Pyrimidin-4(1H)-One, 6-Ethyl-, Hydrazone (9Ci) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with customer specifications and relevant industry standards for research chemicals.

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 ensure optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
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.