Description

4-Amino-Thieno[3,2-D]Pyrimidine-7-Carbaldehyde is a high-value heterocyclic building block and key synthetic intermediate in advanced organic chemistry. This compound is critical for researchers and manufacturers developing novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily utilized in medicinal chemistry for the synthesis of kinase inhibitors and other targeted therapeutics, making it essential for pharmaceutical R&D and fine chemical production.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors and other small molecule drug candidates targeting various disease pathways.
• Medicinal Chemistry Research: Serves as a versatile scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery programs.
• Organic Synthesis Building Block: Used in the construction of complex fused heterocyclic systems due to its reactive aldehyde and amino functional groups.
• Agrochemical Development: Potential intermediate for creating novel active ingredients with specific biological activity.
• Material Science Research: Investigated for the development of organic semiconductors, ligands for metal complexes, or functional polymers.

Basic Information

Product Name	4-Amino-Thieno[3,2-D]Pyrimidine-7-Carbaldehyde
CAS No.	1446113-33-2
Molecular Formula	C7H5N3OS
Molecular Weight	179.20 g/mol
Synonyms	4-Aminothieno[3,2-d]pyrimidine-7-carboxaldehyde; 7-Formyl-4-aminothieno[3,2-d]pyrimidine; Thieno[3,2-d]pyrimidine-7-carbaldehyde, 4-amino-; 4-Amino-7-formylthieno[3,2-d]pyrimidine; 1446113-33-2; 4-Amino-thieno[3,2-d]pyrimidine-7-carbaldehyde
EINECS	Contact for details

Quality Control

Our 4-Amino-Thieno[3,2-D]Pyrimidine-7-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure it meets the high standards required for pharmaceutical R&D. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials.

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.