2-APB

2-APB is a versatile chemical tool that inhibits IP3 receptors and modulates TRP channel activity. In neuroscience, it is widely used to manipulate intracellular calcium release and study calcium-dependent signaling pathways. 2-APB also inhibits gap junctions composed of connexin26 and connexin32, making it relevant in research on neuronal communication and network synchronization. Its broad activity profile supports its use in studies of neurodevelopment, synaptic plasticity, and neurodegeneration.

Classification: Caution: Substance not yet fully tested.

Safety Phrases:

• S22 - Do not breathe dust
• S24/25 - Avoid contact with skin and eyes
• S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection

Hazard Phrases:

H302-H315-H317-H318-H335

Precautionary Phrases:

P261-P280-P305 + P351 + P338

2-APB (StressMarq Biosciences Inc., Victoria BC CANADA, Catalog # SIH-316)

Need this compound in a format that drops straight into your assay? We can tailor formulation, chemistry, and documentation so your results stay consistent across runs and re-orders.

• Format options: solid or pre-dissolved solution (choose solvent), target concentration, aliquots, light/moisture-protected packaging
• Chemistry options: free base/acid vs salt forms, hydrate/solvate preference, stereoisomer control (single enantiomer or racemate), close analogs
• Add-on labels & handles: D/¹³C/¹⁵N isotopes (LC-MS/internal standards), azide/alkyne or other functional handles for conjugation
• QC & documentation: standard COA or enhanced analytical pack (HPLC/LC-MS/NMR), chiral purity, residual solvents, water content (KF), method-specific specs
• Scale & continuity: mg to gram scale, bulk pricing, lot reservation, repeat-order continuity

To quote quickly, tell us: compound name + CAS/structure (SMILES or mol file), intended assay context, solvent preference, salt/stereochemistry requirements, purity/QC level, and the amount (mg–g).

Can’t find the compound you’re looking for?
Send the CAS or structure and your specs. We can help source it, suggest close equivalents, or discuss custom synthesis with the right QC documentation (RUO).