Tadalafil is a selective phosphodiesterase type 5 (PDE5) inhibitor widely studied in laboratory and preclinical research involving cyclic guanosine monophosphate (cGMP) signaling, vascular biology, smooth muscle physiology, and endothelial function. Its well-characterized pharmacological profile and prolonged activity make it a useful reference compound for investigating PDE5-mediated pathways.

Serene provides Tadalafil as a research-grade compound with analytical testing for identity and purity. Each batch is accompanied by a Certificate of Analysis (COA) documenting relevant quality-control results.

Research Applications

Tadalafil is primarily investigated for its ability to inhibit PDE5, an enzyme responsible for the breakdown of cGMP. By modulating PDE5 activity, researchers can examine downstream cGMP signaling and associated changes in smooth-muscle and vascular responses.

Preclinical research has investigated tadalafil in models involving pulmonary vascular signaling, lower urinary tract physiology, endothelial function, cardiovascular biology, and smooth-muscle regulation. Additional laboratory studies have examined its potential relevance to neurological and metabolic pathways.

Its relatively long pharmacokinetic half-life compared with several other PDE5 inhibitors has also made tadalafil useful in pharmacology and comparative drug-research models.

Mechanism of Action

PDE5 regulates intracellular cGMP by catalyzing its degradation. Tadalafil selectively inhibits this enzyme, allowing researchers to investigate how altered cGMP availability influences cellular signaling.

This mechanism makes the compound particularly relevant to studies of:

• PDE5 and cGMP signaling
• Vascular smooth-muscle biology
• Endothelial function
• Pulmonary vascular pathways
• Cardiovascular signaling
• Pharmacokinetic and pharmacodynamic models

Product Specifications

• Compound: Tadalafil
• Molecular Formula: C22H19N3O4
• Molecular Weight: Approximately 389.40 g/mol
• CAS Number: 171596-29-5
• Purity: ≥98% HPLC verified
• Form: Research-grade powder
• Appearance: White to off-white solid
• Storage: Store in a tightly sealed container under controlled conditions, protected from moisture and direct light.

Quality & Analytical Verification

Each Serene batch undergoes analytical quality control appropriate for research applications. Testing may include HPLC for purity assessment and mass spectrometry for molecular identity confirmation. Batch-specific documentation is provided through the accompanying Certificate of Analysis.

This documentation allows researchers to review the analytical characteristics of the specific material supplied for their experiments.

Laboratory Handling

Tadalafil should be handled in accordance with appropriate laboratory safety procedures and institutional protocols. For in-vitro research, researchers should select a solvent system compatible with the experimental model and prepare working concentrations according to validated laboratory methods.

Appropriate personal protective equipment and controlled laboratory handling procedures should be used when working with research chemicals.

Research Use Only

This product is supplied exclusively for laboratory and research applications. It is not intended for human consumption, self-administration, therapeutic use, diagnosis, or veterinary use.

Researchers and institutions are responsible for ensuring that storage, handling, experimentation, and disposal comply with applicable regulations and institutional requirements.