Description

Sildenafil (Viagra)

PDE5 Inhibitor | Experimental Pharmaceutical Research Compound

Sildenafil is a pharmacologically active small-molecule compound studied in biochemical, receptor, cardiovascular, and laboratory research. It is classified as a selective phosphodiesterase type 5 (PDE5) inhibitor, making it relevant to research involving cGMP signaling, vascular smooth-muscle pathways, and related molecular mechanisms.

Sildenafil is also widely associated with the brand name Viagra. However, researchers should distinguish the active compound from specific salt forms and commercial formulations. Therefore, the exact chemical form, concentration, and formulation of a research material should always be verified using the applicable product specifications and batch documentation.

Sildenafil Key Characteristics

• Product Name: Sildenafil
• Commonly Associated Brand: Viagra
• Compound Type: Small-molecule PDE5 inhibitor
• Research Category: Pharmacological and biochemical research
• Primary Research Target: Phosphodiesterase type 5 (PDE5)
• CAS Number: 139755-83-2
• Molecular Formula: C₂₂H₃₀N₆O₄S
• Molecular Weight: 474.6 g/mol
• Intended Use: Laboratory and analytical research

Sildenafil Research Profile

Researchers study Sildenafil to investigate PDE5-related signaling and the regulation of cyclic guanosine monophosphate (cGMP). In particular, PDE5 participates in the breakdown of cGMP, so PDE5 inhibition provides a useful model for studying vascular and cellular signaling pathways.

Additionally, sildenafil research can help investigators examine enzyme selectivity, receptor-independent biochemical pathways, and the molecular properties of PDE5 inhibitors. The response can vary according to the experimental model, assay conditions, and chemical form being evaluated.

PDE5 Inhibitor Research

Research is relevant to studies of phosphodiesterase enzymes and cGMP signaling. Researchers can investigate how PDE5 inhibition influences cellular signaling under controlled laboratory conditions.

Furthermore, sildenafil can serve as a reference compound in comparative research involving other PDE5 inhibitors. Such studies may examine differences in molecular structure, enzyme selectivity, analytical characteristics, and experimental activity.

Sildenafil Research Applications

Researchers may investigate Sildenafil in areas such as:

• PDE5 enzyme research
• cGMP signaling studies
• Vascular biology
• Smooth-muscle signaling
• Biochemical assays
• Receptor and enzyme research
• Comparative PDE5 inhibitor studies
• Molecular characterization
• Analytical chemistry
• Pharmacological research

Moreover, laboratories can compare sildenafil with structurally related compounds to investigate differences in selectivity and molecular behavior.

Molecular and Biochemical Research

The mechanism of Sildenafil involves inhibition of PDE5, an enzyme responsible for degrading cGMP. Consequently, research with sildenafil can provide a model for studying cGMP-dependent signaling and related cellular responses.

Researchers can also examine the compound using biochemical and analytical methods to characterize its identity, purity, stability, and other measurable properties.

Analytical and Quality Information

For laboratory research, researchers should review the applicable Certificate of Analysis (COA) and technical documentation. Depending on the material and batch, documentation may include:

• Compound identity
• Salt or chemical form
• Purity or assay
• Concentration
• Molecular characterization
• Batch or lot number
• Stability information
• Analytical test results

In addition, researchers should confirm whether the supplied material contains sildenafil free base or a specific salt form such as sildenafil citrate. PubChem records sildenafil citrate as a distinct chemical form from sildenafil itself.

Sildenafil Product Specifications

Specification	Details
Product Name	Sildenafil
Common Brand Association	Viagra
Compound Type	PDE5 inhibitor
CAS Number	139755-83-2
Molecular Formula	C₂₂H₃₀N₆O₄S
Molecular Weight	474.6 g/mol
Research Category	Pharmacological and biochemical research
Application	Laboratory and analytical research

These specifications describe sildenafil itself. Product-specific concentration, packaging, purity, salt form, and formulation should be taken from the applicable supplier documentation.

Quality and Documentation

Good documentation helps researchers verify the identity and characteristics of Sildenafil. Therefore, laboratories should review the product label, COA, and technical documentation before research use.

Furthermore, batch-specific records can help confirm purity, assay, chemical form, and other relevant analytical parameters.

Frequently Asked Questions

What Is Sildenafil?

It is a small-molecule phosphodiesterase type 5 (PDE5) inhibitor studied in biochemical, vascular, pharmacological, and laboratory research.

What Is Viagra?

It is a well-known brand associated with sildenafil. Researchers should distinguish the active compound from the specific formulation or salt used in a commercial product.

What Research Areas Study Sildenafil?

Research may include PDE5 enzyme studies, cGMP signaling, vascular biology, biochemical assays, molecular characterization, and comparative PDE5 inhibitor research.

Is Sildenafil the Same as Sildenafil Citrate?

Not exactly. Sildenafil and sildenafil citrate represent the parent compound and a specific salt form, respectively. Therefore, researchers should verify the exact form of the material supplied.

Is a Certificate of Analysis Important?

Yes. A batch-specific Certificate of Analysis can help verify identity, purity, chemical form, assay, and other analytical characteristics.

Important Research Disclaimer

Product is a pharmacologically active compound intended on this page for laboratory and analytical research information. It is not intended for human or veterinary self-use, diagnosis, treatment, or administration.

Researchers should rely on applicable product documentation and qualified laboratory procedures when working with this material. Product-specific claims about formulation, purity, concentration, or chemical form should be supported by current batch documentation.