Sildenafil Mesylate

Sildenafil Mesylate is an active pharmaceutical raw material supplied as a white to off-white crystalline powder, chemically engineered to provide enhanced aqueous solubility and solid-state stability compared to free-base or alternative salt variants, making it a critical active ingredient for downstream pharmaceutical formulators developing solid oral dosage forms targeted at male sexual health and vascular therapies.

Molecular Architecture: Formulated as C22H30N6O4S • CH4O3S with a molecular weight of 666.77 g/mol, featuring a sulfonylpiperazine core coupled with a pyrazolopyrimidinone ring system.

Aqueous Profile: Demonstrates high solubility exceeding 25 mg/mL at 25°C, facilitating rapid dissolution kinetics in physiological media.

Solid-State Stability: Exhibits negligible degradation under ambient exposure, maintaining consistent lattice energy profiles during extended warehouse storage.

Polymorphic Control: Synthesized via optimized crystallization kinetics to yield a single, thermodynamically stable polymorph, preventing phase transitions during tableting.

Impurity Management: Individual unknown impurities maintained below 0.10% and total impurities under 0.30%, strictly adhering to ICH Q3A drug substance thresholds.

Hygroscopic Stability: Displays minimal moisture uptake below 60% relative humidity, eliminating caking risks during automated powder transfer and high-shear granulation.

Excipient Compatibility: Demonstrates stable interaction profiles with standard pharmaceutical diluents and binders including microcrystalline cellulose, lactose monohydrate, croscarmellose sodium, and magnesium stearate.

Compaction Behavior: Possesses favorable plastic deformation properties under mechanical stress, supporting tablet hardness targets between 80 N and 120 N without capping.

Disintegration Support: Facilitates rapid core breakdown times under 3 minutes when paired with standard superdisintegrants for immediate-release profiles.

Conventional Tablets: Active pharmaceutical ingredient for standard film-coated solid oral tablets spanning 25 mg to 100 mg dosage strengths.

Dispersible Formulations: Utilized in fast-dissolving delivery systems requiring fine particle sizing for rapid mucosal uptake.

Clinical Research: Applied in developmental pipelines exploring targeted treatments for vascular and metabolic conditions.

Lot Verification: Every commercial batch undergoes multi-instrument verification including HPLC, FTIR, nuclear magnetic resonance, and titration assays.

Contamination Control: Production executed within closed-system synthesis reactors backed by validated clean-in-place procedures.

Supply Traceability: Full batch records maintained from initial starting reagents to final packaging, securing audit-ready transparency.

Certificate of Analysis (CoA): Comprehensive analytical records provided for registration, pilot-scale, and commercial validation batches to support baseline evaluations.

Safety Data Sheet (SDS): Fully compliant documents structured according to the latest GHS standards, detailing chemical hazards, handling precautions, and emergency response measures.

Core Technical Documents: Complete availability of Product Specifications (TDS), Method of Analysis (MOA), and Route of Synthesis (ROS) summaries for technical validation.

Regulatory Declarations: Standard statutory statements including BSE/TSE-Free certificates, Non-GMO declarations, and allergen-free compliance confirmations.

DMF & CEP Coordination: Comprehensive regulatory support featuring established Drug Master Files (DMF) or Certificates of Suitability (CEP) aligned with major international authorities (US FDA, European EMA, and Japanese PMDA) for global dossier submissions.

Thermal Regulation: Store between 15°C and 30°C in a dry, dark environment isolated from direct heat sources.

Atmospheric Shielding: Keep containers tightly sealed under inert gas blanketing if partially opened to prevent humidity absorption.

Shelf Life: Validated 36-month retest period when maintained in original unopened packaging containers under specified conditions.

Primary Barrier: Double-layer pharmaceutical-grade low-density polyethylene bags, heat-sealed under laminar flow conditions.

Secondary Containment: Rigid fiber drums or aluminum-laminated tins equipped with tamper-evident security seals.

Transit Compliance: Shipped in temperature-monitored containers following Good Distribution Practice (GDP) protocols for sensitive active ingredients.

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