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Saquinavir Structure

PRODUCT TYPE

API (Antiretroviral – HIV Protease Inhibitor)

GRADE

USP / EP / In-house Pharmaceutical Grade

CHEMICAL FORMULA

C₃₈H₅₀N₆O₅

IUPAC NAME

(2S)-N-[(2S,3R)-4-[(3S)-3-(tert-butylcarbamoyl)amino-2-hydroxy-4-phenylbutyl]-3-hydroxy-1,3-dioxobutan-2-yl]-2-(quinolin-2-ylformamido)hexanediamide

CAS NO

127779-20-8

MOLECULAR WEIGHT

670.83 g/mol

CHEMICAL CLASS

HIV-1 Protease Inhibitor (PI Class Antiretroviral)

Synonyms

PHYSIOCHEMICAL PROPERTIES

Appearance White to off-white crystalline powder
Solubility Very low water solubility; Soluble in ethanol, methanol, DMSO; Solubility enhanced in acidic environments (salt form)
Melting Point ~210–215°C (Saquinavir Free Base)
pKa ~7.4 (weakly basic compound)

Product Description

Saquinavir is a potent HIV-1 protease inhibitor (PI) used in combination antiretroviral therapy (ART). It is typically formulated as Saquinavir Mesylate, a more stable and bioavailable salt form. It is an essential second-line ART drug in many HIV treatment programs worldwide.

How Saquinavir Works

Saquinavir inhibits the HIV protease enzyme responsible for: Cleaving viral polyproteins; Maturing viral particles; Enabling viral infectivity. By blocking protease, Saquinavir prevents the formation of mature, infectious HIV particles, reducing viral load significantly. Saquinavir is typically co-administered with Ritonavir to boost bioavailability through CYP3A4 inhibition.

Use(s)

Adverse Effects

Why choose Salius for Saquinavir?

  1. GMP-Compliant Manufacturing Standards
    They maintain stringent WHO GMP standards, with some facilities FDA certified, and follows strict internal QC protocols. Every batch is tested in state-of-the-art labs before release, to ensure consistent quality, safety & efficacy.
  2. Cost-Effectiveness
    As an experienced generic API supplier and export house, Salius aims to deliver high-quality APIs at competitive prices—a key advantage for cost-sensitive and emerging markets.
  3. Global Export Experience & Documentation Support
    Salius regularly exports APIs, provides regulatory dossiers (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

Saquinavir is a first-generation HIV-1 Protease Inhibitor (PI) used primarily in combination regimens to suppress viral replication.

Generally, 36–48 months, depending on storage and salt form.

Yes. Strong interactions occur with medications affecting CYP3A4, including antifungals, antibiotics, statins, and anticonvulsants.

Yes. Both modes are suitable, provided temperature and moisture protection is ensured.

It is often used when first-line NNRTI/NRTI regimens fail or resistance is observed, making it crucial in salvage therapies.

Because we offer: WHO-GMP compliant manufacturing; Strict impurity and stability control; Competitive pricing; Full regulatory documentation; Reliable global logistical support; Ability to supply both Free Base & Mesylate forms

Place an Order or Request a Quote from Salius Pharma

Looking to source Saquinavir or other high-quality pharmaceutical products?
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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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