Description

8-Cyclopentyl-1,3-Dimethylxanthine is a high-purity xanthine derivative with significant research and development applications. This compound is valued for its role as a potent and selective adenosine receptor antagonist, making it a critical intermediate in pharmaceutical discovery and biochemical research. It is primarily sought by research institutions, pharmaceutical R&D departments, and fine chemical manufacturers focused on developing novel therapeutic agents targeting neurological and cardiovascular pathways.

Application

• Pharmaceutical Research & Development: Serves as a key intermediate and reference standard in the synthesis and study of novel adenosine receptor antagonists for potential therapeutic applications.
• Biochemical Assay Development: Used as a selective tool compound in in vitro assays to study adenosine A1 receptor signaling pathways and function.
• Academic & Contract Research: Employed in university and CRO laboratories for fundamental research into purinergic signaling and its modulation.
• Fine Chemical Synthesis: Acts as a sophisticated building block for the custom synthesis of more complex xanthine-based molecules and proprietary compounds.
• Reference Standard Production: Supplied as a certified reference material (CRM) for analytical method development, validation, and quality control in pharmaceutical analysis.

Basic Information

Product Name	8-Cyclopentyl-1,3-Dimethylxanthine
CAS No.	35873-49-5
Molecular Formula	C12H16N4O2
Molecular Weight	248.28 g/mol
Synonyms	8-Cyclopentyltheophylline; CPX; 8-Cyclopentyl-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione; 1,3-Dimethyl-8-cyclopentylxanthine; 8-CPT; 8-Cyclopentyl-1,3-dimethylxanthine; 8-Cyclopentyltheophyline; A1 Adenosine Receptor Antagonist CPX
EINECS	Contact for details

Quality Control

Our 8-Cyclopentyl-1,3-Dimethylxanthine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with research-grade specifications. Our commitment to consistent purity and reliable supply supports critical R&D timelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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