Product Name: 3-Isobutyl-1-Methylxanthine
Other Name: IBMX; 3-isobutyl-1-methyl-xanthin; IMX; Isobutylmethylxanthine; Methylisobutylxanthine
CAS No.: 28822-58-4
Chemical Structure:

3-Isobutyl-1-Methylxanthine Application:
3-Isobutyl-1-methylxanthine is a synthetic xanthine derivative commonly used as a functional intermediate and performance-enhancing additive in industrial and research-oriented applications. With stable physicochemical characteristics, it supports formulation consistency, controlled reactivity, and reliable performance within complex processing systems. Applications:
1. Research-Grade Phosphodiesterase (PDE) Inhibitor for Biochemical Systems
3-Isobutyl-1-methylxanthine is widely employed in biochemical and cellular studies as a non-selective phosphodiesterase inhibitor. Its ability to modulate intracellular signaling pathways makes it a standard reagent in laboratories conducting investigations involving cAMP and cGMP regulation. It is frequently used in assays requiring controlled modulation of second messenger pathways, enabling reproducible experimental conditions.
2. Functional Component in In Vitro Evaluation and Analytical Procedures
Due to its stable molecular properties and predictable interaction with cellular systems, IBMX is incorporated into various in vitro analytical protocols. It supports processes such as enzyme activity assessments, receptor characterization, and pathway analysis by providing controlled modulation of intracellular responses. Its consistency across batches assists researchers in maintaining assay reliability.
3. Auxiliary Reagent in Signal Transduction and Cell-Based Screening Platforms
3-Isobutyl-1-methylxanthine is commonly applied as a supplemental reagent in cell-based screening environments to achieve enhanced signal clarity and assay responsiveness. Its role in influencing intracellular messenger concentrations contributes to establishing standardized testing conditions in high-throughput screening and functional studies.
3-Isobutyl-1-Methylxanthine Packaging and Shipping:
Packaging: 1kg/ bag, 25kg/ drum or as customer’s required.
Shipping : DHL/ FedEx/ Air shipping/ Ocean shipping
3-Isobutyl-1-Methylxanthine Storage:
Please store in a well ventilated, dry place at 2-8 ℃ and avoid direct sunlight. When not in use, keep the container tightly closed. For long-term storage, keep it under -20℃.

