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  • A2169 - 3′-Azido-3′-deoxythymidine

A2169 Sigma


≥98% (HPLC)

Synonym: AZT, Azidothymidine, ZDV, Zidovudine



Biochem/physiol Actions

Reverse transcriptase inhibitor active against HIV-1 virus.

Azidothymidine (AZT), a thymidine analogue, is a reverse transcriptase inhibitor against the HIV-1 virus. Azidothymidine has been shown to decrease CRISPR-mediated homology-directed repair (HDR) efficiency.


1 g in glass bottle

100, 250 mg in glass bottle

25 mg in glass insert

Features and Benefits

This compound is a featured product for ADME Tox research. Click here to discover more featured ADME Tox products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.

Legal Information

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Price and Availability

Biomedical Applications

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Safety & Documentation


Certificate of Analysis

Certificate of Origin

Protocols & Articles


Discover Bioactive Small Molecules for ADME/Tox

A significant number of drugs that fail in clinical trials have been associated with safety issues, including unexpected drug-drug interactions (DDI) or lack of efficacy due to poor pharmacokinetics....
Keywords: Absorption, Bioactive small molecules, Clinical, Metabolism

Discover Bioactive Small Molecules for Immunology Research

The immune system is a complex network to detect and defend against non-self pathogenic agents, such as disease-causing viruses, bacteria, and other microorganisms. Various signaling pathways contrib...
Keywords: Antibiotics, Antifungals, Antivirals, Apoptosis, Bioactive small molecules, Cell signaling, Diabetes, Diseases, Immunology, Inflammation

Small Molecule CRISPR Enhancers

As the CRISPR-Cas9 system has become an increasingly popular tool for genome editing, the desire to improve efficiency of precise CRISPR-mediated gene editing has arisen. A number of studies have ide...
Keywords: Bioactive small molecules, Chemical biology, Cyclizations, Genetic, Recombination, Transcription

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Peer-Reviewed Papers


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