Atazanavir Impurities

Atazanavir is an antiviral (also known as antiretroviral) medication.

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Parent Drug Name Name of Impurity Catalogue No.
Atazanavir Atazanavir Benzylidenehydrazine Carbamate VE0012404View
Atazanavir Atazanavir EP Impurity B VL2230001View CAS 127406-56-8
Atazanavir Atazanavir EP Impurity C VE0012399View CAS 1192224-24-0
Atazanavir Atazanavir EP Impurity D VL2230003View
Atazanavir Atazanavir EP Impurity H VL2230009View
Atazanavir Atazanavir EP Impurity J VE0012407View CAS 198904-86-8
Atazanavir Atazanavir Hydrazine Analog (3HCl Salt) VE0012417View CAS 198904-87-9
Atazanavir Atazanavir Impurity 1 VL2230005View CAS 1292296-09-3
Atazanavir Atazanavir Impurity 10 VE0012413View
Atazanavir Atazanavir Impurity 2 VL2230006View
Atazanavir Atazanavir Impurity 3 VL2230007View
Atazanavir Atazanavir Impurity 4 VE0012410View
Atazanavir Atazanavir Impurity 6 VE0012414View CAS 1006868-81-0
Atazanavir Atazanavir Impurity 7 VE0012415View CAS 1192224-26-2
Atazanavir Atazanavir Impurity 8 VE0012416View CAS 1028634-76-5
Atazanavir Impurity 9 Atazanavir Impurity 9 VE0012412View
Atazanavir Atazanavir Pyridinyl Benzoic Acid Impurity VL2230010View CAS 4385-62-0
Atazanavir Atazanavir R, S, S, R-Diastereomer VE0012402View CAS 1292296-11-7
Atazanavir Atazanavir R, S, S, S-Diastereomer VE0012400View CAS 1332981-14-2
Atazanavir Atazanavir S, S, R, S-Diastereomer VE0012403View CAS 1292296-10-6
Atazanavir Atazanavir S, S, S, R-Diastereomer VE0012401View CAS 1332981-16-4
Atazanavir Atazanavir-D6 DVE00167View CAS 1092540-50-5
Atazanavir (E)-1-(4-(Pyridin-2-yl)benzylidene)hydrazine VE007002View CAS 257907-05-4

Atazanavir Related Compound

It belongs to the protease inhibitor class. These medications treat human immunodeficiency virus (HIV) infection by blocking a protein required for HIV replication.


  • Achenbach, Chad J., et al. Atazanavir/Ritonavir-Based Combination Antiretroviral Therapy for Treatment of HIV-1 Infection in Adults. no. 2, Feb. 2011, pp. 157–77, Accessed 30 July 2023.
  • “Atazanavir: Uses, Interactions, Mechanism of Action | DrugBank Online.”, DrugBank, 2020, Accessed 30 July 2023.


What is the pharmacological action of atazanavir?

Atazanavir binds to the protease active site and reduces the enzyme’s activity. This inhibits viral polyprotein cleavage, resulting in the generation of immature non-infectious viral particles. Protease inhibitors are generally often used with at least two additional anti-HIV medications.

To which class does Atazanavir belong?

Atazanavir belongs to the class of drugs known as protease inhibitors. It works by lowering the level of HIV in the blood.

What is the mechanism of action of atazanavir?

Atazanavir is an aza peptide HIV-1 PI that suppresses the production of mature virions in HIV-1-infected cells by inhibiting viral Gag and Gag-Pol polyprotein processing.


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1006868-81-0: Atazanavir Impurity 6

1006868-81-0: Atazanavir Impurity 6
Catalogue No.




Molecular Formula


Molecular Weight

562.72 g/mol

Parent drug



Atazanavir 4R, 5S-Diasteroisomer of DIBOC


Atazanavir 4R, 5S-Diasteroisomer of DIBOC





Atazanavir Impurity 6

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