Description

Thieno[2,3-D]Pyrimidin-4(3H)-One, 2-Amino-6-Ethyl-3-Methyl- (9Ci) is a high-value heterocyclic organic compound featuring a fused thiophene and pyrimidinone core structure. This compound serves as a critical advanced pharmaceutical intermediate (API) and a versatile building block in medicinal chemistry research. It is primarily sought after by R&D and production teams in the pharmaceutical, agrochemical, and fine chemical sectors for the synthesis of novel active molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates targeting various therapeutic areas.
• Medicinal Chemistry Research: Core scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery.
• Agrochemical Development: Building block for creating novel herbicides, fungicides, or insecticides with specific modes of action.
• Organic Synthesis: Versatile starting material for constructing complex heterocyclic systems in academic and industrial laboratories.
• Biochemical Tool Compound: Potential use in developing probes or inhibitors for studying enzymatic pathways.
• Material Science Research: Exploration of its properties for potential use in organic electronic materials.

Basic Information

Product Name	Thieno[2,3-D]Pyrimidin-4(3H)-One, 2-Amino-6-Ethyl-3-Methyl- (9Ci)
CAS No.	328004-11-1
Molecular Formula	C9H11N3OS
Molecular Weight	209.27 g/mol
Synonyms	2-Amino-6-ethyl-3-methyl-3H-thieno[2,3-d]pyrimidin-4-one; 2-Amino-6-ethyl-3-methylthieno[2,3-d]pyrimidin-4(3H)-one; 328004-11-1; Thieno[2,3-d]pyrimidin-4(3H)-one, 2-amino-6-ethyl-3-methyl-; 6-Ethyl-3-methyl-2-amino-3H-thieno[2,3-d]pyrimidin-4-one; 2-Amino-6-ethyl-3-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our production of Thieno[2,3-D]Pyrimidin-4(3H)-One, 2-Amino-6-Ethyl-3-Methyl- (9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure high purity and structural identity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical R&D and scale-up processes.

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 and sources of ignition.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline 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%
Heavy Metals	≤ 20 ppm

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