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Sildenafil Citrate Structure

Product Type

API

Grade

BP/USP

Chemical Formula

C22H30N6O4SĀ·C6H8O7

IUPAC Name

[2-hydroxypropane-1,2,3-tricarboxylic acid; 5-{2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl}-1-methyl-3-propyl-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-7-one]

CAS No.

171599-83-0

Molecular Weight

666.7 g/mol

Chemical Class

Phosphodiesterase type 5 (PDE5) inhibitors

Synonyms

PHYSIOCHEMICAL PROPERTIES

Appearance White to off-white crystalline powder
Solubility Slightly soluble in water; freely soluble in organic solvents like methanol, ethanol, and DMSO
Melting point 187 to 189 °C
pH 3.7 to 3.8

Product Description

Sildenafil citrate is a medication primarily used to treat erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). It’s best known by the brand name Viagra.

How Sildenafil Citrate Works

Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor. It works by relaxing blood vessels, which increases blood flow to certain areas of the body — notably, the penis, helping to achieve and maintain an erection during sexual stimulation. For PAH, it relaxes the blood vessels in the lungs to reduce blood pressure.

Use(s)

Adverse Effects

Why choose Salius for Sildenafil Citrate?

  1. Regulatory-Grade Manufacturing Standards
    They maintain WHO GMP compliance, with some facilities FDA certified, and follow stringent internal QC protocols. Every batch is tested in state-of-the-art labs before release
  2. Cost-Effectiveness
    As a generic manufacturer and export house, Salius aims to deliver high-quality APIs at competitive prices—a key advantage for cost-sensitive markets.
  3. Global Export Experience & Documentation Support
    Salius regularly exports APIs, provides regulatory documents (DMF, impurity profiles), and supports filings for international clients—even in stringent regulated markets
  4. Documents We Provide
  5. Transparency & Trustworthiness
    They present as a government-recognized star export house with strong quality and delivery ratings.
Attribute Why Salius Pharma Is a Good Choice
Quality Certification WHO GMP, ISO 9001:2015, FDA audited facilities
Affordability & Generic Access Cost competitive generics for global supply
Export Experience Proven track record of supplying globally

What You Receive in Our Package

When you order from Salius Pharma, you receive more than just a product — you receive a complete, professionally prepared package that meets international regulatory and quality expectations.

Each Shipment Includes:

Product

Expected Delivery Time

We ensure prompt and reliable shipping worldwide. Delivery times vary depending on destination, order volume, and regulatory requirements.

Overall Delivery Time:

7 to 21 business days from dispatch, depending on your location.

FAQs

While primarily prescribed for men with erectile dysfunction, some studies have explored its use in women for sexual dysfunction or pulmonary hypertension. However, it’s not FDA-approved for female sexual dysfunction, and efficacy is unclear.

A high-fat meal can delay the absorption of sildenafil, meaning it may take longer to work if taken after a heavy meal. It’s usually recommended to take it on an empty stomach for faster onset.

Though used to treat pulmonary hypertension, sildenafil might improve exercise endurance by enhancing blood flow, but in healthy individuals, this effect is minimal and not well supported.

Salius Pharma supplies Sildenafil Citrate as an Active Pharmaceutical Ingredient (API) and can also arrange finished dosage forms upon request

To order Sildenafil Citrate API, you typically contact a certified pharmaceutical supplier like Salius Pharma. You’ll need to provide details such as desired quantity, intended market, regulatory requirements (e.g., DMF or GMP certificates), and packaging preferences.

Salius Pharma exports Sildenafil Citrate to various countries worldwide, including regions such as Asia, Europe, the Middle East, Africa, North America & South America.

Place an Order or Request a Quote

Looking to source Sildenafil Citrate or other high-quality pharmaceutical products? We’re here to help. Whether you need Active Pharmaceutical Ingredients (APIs), finished formulations, or regulatory support, our team is ready to provide dependable, compliant, and cost-effective solutions tailored to your market needs.

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