Description

3-Ethyl-2-Hydrazinothieno[3,2-D]Pyrimidin-4(3H)-One is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key synthetic intermediate for developing novel pharmacologically active molecules, particularly in medicinal chemistry research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of kinase inhibitors and other targeted therapeutic agents.
• Medicinal Chemistry Research: Used as a versatile scaffold for constructing compound libraries in drug discovery programs.
• Agrochemical Development: Employed in the research and synthesis of novel active ingredients for crop protection.
• Chemical Biology Probes: Acts as a building block for creating molecular probes to study biological pathways.
• Organic Electronic Materials: Investigated as a potential component in the development of advanced organic semiconductors.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs for the production of client-specific target molecules.

Basic Information

Product Name	3-Ethyl-2-Hydrazinothieno[3,2-D]Pyrimidin-4(3H)-One
CAS No.	1114597-74-8
Molecular Formula	C8H10N4OS
Molecular Weight	210.26 g/mol
Synonyms	3-Ethyl-2-hydrazinylthieno[3,2-d]pyrimidin-4(3H)-one; 2-Hydrazino-3-ethylthieno[3,2-d]pyrimidin-4(3H)-one; Thieno[3,2-d]pyrimidin-4(3H)-one, 3-ethyl-2-hydrazinyl-; 1114597-74-8; 3-Ethyl-2-hydrazinothieno[3,2-d]pyrimidin-4-one; 3-Ethyl-2-hydrozinothieno[3,2-d]pyrimidin-4(3H)-one
EINECS	Contact for details

Quality Control

Our 3-Ethyl-2-Hydrazinothieno[3,2-D]Pyrimidin-4(3H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed batch-specific results are provided to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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