Description

1H-Imidazo[4,5:4,5]Thieno[2,3-D]Pyrimidine (9Ci) is a high-purity, fused heterocyclic compound of significant interest in advanced organic synthesis. This specialized chemical serves as a critical pharmacophore and building block for the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily utilized by research institutions and pharmaceutical R&D departments engaged in drug discovery programs targeting various therapeutic areas.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly in oncology and antiviral research.
• Organic Light-Emitting Diode (OLED) Materials: Serves as an electron-transport or host material in the development of advanced display and lighting technologies.
• Agrochemical Research: Used as a core structure for designing new generations of herbicides, fungicides, and insecticides.
• Academic & Industrial R&D: Employed in methodological studies and as a building block for novel heterocyclic libraries in combinatorial chemistry.
• Material Science: Investigated for use in the creation of organic semiconductors and conductive polymers.

Basic Information

Product Name	1H-Imidazo[4,5:4,5]Thieno[2,3-D]Pyrimidine (9Ci)
CAS No.	574003-49-9
Molecular Formula	C7H4N4S
Molecular Weight	176.20 g/mol
Synonyms	1H-Imidazo[4,5-f]thieno[2,3-d]pyrimidine; Thieno[2',3':4,5]imidazo[1,2-a]pyrimidine; 1H-Imidazo[4,5:4,5]thieno[2,3-d]pyrimidine; 574003-49-9; AI3-53062; CTK8G2289; MolPort-002-924-958; ZINC000003800791; AKOS040757046; AS-76379
EINECS	Contact for details

Quality Control

Every batch of our 1H-Imidazo[4,5:4,5]Thieno[2,3-D]Pyrimidine (9Ci) is produced and tested under a strict quality management system. We guarantee high purity and batch-to-batch consistency through advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to ensure compliance with your research and development protocols.

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 after opening to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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