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RO318959 (Saquinavir) | HIV-1 protease inhibitor

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Catalog #:

Product Description

Saquinavir is a decahydroisoquinoline-based, selective inhibitor of aspartic protease encoded by HIV with an IC50 range of 0.5-6.0 nM and IC90 range of 6.0-30.0 nM. [1] Binding inhibition constants for saquinavir against HIV-1 and HIV-2 are 0.12 nM and
Antiviral potency of saquinavir were shown in JM cells infected with HIV-1 strain GB8 with a IC50 of 2.5 nM. [2] Similarly, and IC50 of 2 nM was obtained against HIV-1 (strain RF) in C8166 cells.

Saquinavir was shown to be a substrate for P-glycoprotein transporter protein, affecting intracellular concentrations and bioavailability. [3]

Technical information:

Chemical Formula:   C38H50N6O5
CAS #:   127779-20-8
Molecular Weight:   670.84
Purity:   >98%
Appearance:   White
Chemical Name:   (2S)-N-[(2S,3R)-4-[(3S)-3-(tert-butylcarbamoyl)-decahydroisoquinolin-2-yl]-3-hydroxy-1-phenylbutan-2-yl]-2-(quinolin-2-ylformamido)butanediamide
Solubility:   Up to 22 mM in DMSO
Synonyms:   RO318959, RO-31-8959, saguinavir, Fortovase, Invirase

Shipping Condition: The product is shipped in a glass vial at ambient temperature.
Storage condition: For longer shelf life, store solid powder at 4oC desiccated, or store DMSO solution at -20oC.


1. Craig et al., Antiviral properties of Ro 31-8959, an inhibitor of human immunodeficiency virus (HIV) proteinase. Anvitiral Res. 1991, 16, 295-395. Pubmed ID: 1810306
2. Roberts et al., Rational design of peptide-based HIV proteinase inhibitors. Science, 1990, 248, 358-361. Pubmed ID: 2183354
3. Kim et al., Saquinavir, an HIV protease inhibitor, is transported by P-glycoprotein. J. Pharmacol. Exp. Ther. 1998, 286(3), 1439-1445. Pubmed ID: 9732409

Other Information:

Product Specification (pdf)
MSDS (pdf)
Certificate of Analysis is available upon request.

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