Description

7-Ethyl Theophylline is a specialized xanthine derivative, a key intermediate in the synthesis of advanced pharmaceutical compounds. This high-purity chemical is valued for its role in developing therapeutic agents targeting respiratory and cardiovascular systems. It is primarily utilized by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic research institutions engaged in medicinal chemistry and drug discovery.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel bronchodilators and cardiovascular drugs.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies to develop new xanthine-based therapeutics.
• Reference Standard: Serves as an analytical standard for quality control and method development in pharmaceutical analysis.
• Biochemical Research: Employed in studies investigating adenosine receptor antagonism and related biochemical pathways.
• Fine Chemical Synthesis: A precursor for the manufacture of more complex, high-value specialty chemicals.

Basic Information

Product Name	7-Ethyl Theophylline
CAS No.	23043-88-1
Molecular Formula	C9H12N4O2
Molecular Weight	208.22 g/mol
Synonyms	1-Ethyl-3,7-dihydro-1H-purine-2,6-dione; 1-Ethyltheophylline; Etophylline; 7-Ethyl-1,3-dimethylxanthine; NSC 5235; Theophylline, 7-ethyl-; Etophyllinum; 1-Ethyl-3,7-dimethylxanthine
EINECS	Contact for details

Quality Control

Our 7-Ethyl Theophylline is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product is subjected to rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to meet the stringent requirements of pharmaceutical intermediate applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.0%

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