Antivirals

Fosamprenavir calcium is an antiretroviral medication, which is derived from the prodrug of amprenavir. It is synthesized through chemical processes to enhance oral bioavailability and improve pharmacokinetic properties. Through its mode of action, fosamprenavir is converted in vivo to amprenavir, which acts as an inhibitor of the HIV-1 protease enzyme. By inhibiting this enzyme, it prevents the cleavage of the Gag-Pol polyprotein, disrupting viral replication and processing, ultimately leading to the production of immature, non-infectious viral particles. Fosamprenavir calcium is primarily used in the management and treatment of HIV-1 infection in combination with other antiretroviral agents. It serves a critical role in antiretroviral therapy regimens due to its efficacy in reducing viral load and increasing CD4 cell counts in infected individuals. The utilization of fosamprenavir calcium is crucial in the ongoing efforts to manage HIV, contributing to improved patient outcomes and prolonged survival rates. This protease inhibitor is especially significant for patients requiring potent and reliable treatment options in the fight against HIV/AIDS.

Applications Nelfinavir Mesylate is an antiviral. HIV protease inhibitor. It is a COVID19-related research product. References Patick, A.K., et al.: Antimicrob. Agents Chemother., 40, 292 (1996), Bardsley-Elliot, G.L., et al.: Drugs, 59, 581 (2000)

Applications Rimantadine-d4 Hydrochloride is an isotope labeled version of Rimantadine Hydrochloride, an antiviral agent. References Hayden, F.G., et al.: Antimicrob. Ag. Chemother., 19, 226 (1981), Zlydnikov, D.M., et al.: Rev. Infect. Dis., 3, 408 (1981),

Applications Second generation HIV-1-protease inhibitor; structurally similar to amprenavir. Antiviral. It is a COVID19-related research product. References Koh, Y., et al.: Antimicrob. Agents Chemother., 47, 3123 (2003), Arasteh, K., et al.: AIDS, 19, 943 (2005), Surleraux, D.L.N.G., et al.: J. Med. Chem., 48, 1813 (2005),

Stability Hygroscopic Applications A metabolite of Lamivudine (L172500). References Burgess, K., et al.: Chem. Rev., 100, 2047 (2000), Gallois-Montbrun, S., et al.: Biochem. Pharmacol., 68, 1749 (2004),

Enpatoran (M5049) hydrochloride is a strong, oral TLR7/8 inhibitor (IC50: 11.1/24.1 nM), inactive against TLR3/4/9, with good pharmacokinetics.

Applications N2-Des(L-valinyl) N2-Acetyl Lopinavir is a metabolite of Lopinavir (L469480); a selective HIV protease inhibitor and antiviral. It is a COVID19-related research product. References Sham, H.L., et al.: Antimicrob. Ag. Chemother., 42, 3218 (1998); Kumar, G.N., et al.: Drug Metab. Dispos., 27, 86 (1999); Murphy, R.L., et al.: Antiviral Ther., 4, Suppl. 3, 85 (1999)

Applications Member of the novel hydroxyaminopentane amide class of HIV-1 protease inhibitors. Antiviral. It is a COVID19-related research product. References Vacca, J.P., et al.: Proc. Nat. Acad. Sci. USA, 91, 4096 (1994), Dorsey, B. D., et al.: J. Med. Chem., 37, 3443 (195), Balani, S.K., et al.: Drug Metab. Dispos., 23, 266 (1995)

Filociclovir is a novel antiviral agent, which is synthesized from small-molecule pharmaceutical compounds. It functions primarily by inhibiting viral DNA polymerase, thereby halting viral replication within infected host cells. This mechanism of action is particularly effective against certain herpesviruses, as it targets the polymerase enzyme that is critical for viral DNA synthesis and proliferation. Filociclovir's applications are focused on combating viral infections, specifically those caused by herpesviruses, including cytomegalovirus (CMV). It has shown promise in preclinical studies for potentially treating conditions such as CMV retinitis in immunocompromised individuals. Further investigations are ongoing to explore its efficacy and safety profile, aiming to expand its usage for broader antiviral therapeutic applications. The compound's targeted mechanism offers potential advantages in treating difficult-to-manage viral infections, making it a valuable candidate for future drug development and clinical studies within the field of antiviral research.

Anti-viral; NS3/4A protease inhibitor

3'-Fluoro-3'-deoxythymidine (3'-Deoxy-3'-fluorothymidine) is a marker of DNA synthesis,which is less susceptible to inflammatory changes than FDG.

Impurity Ritonavir EP Impurity J Applications N-[(1S,2S,4S)-4-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]carbamic Acid 5-Thiazolylmethyl Ester (Ritonavir EP Impurity J) is an intermediate in the synthesis of Ritonavir (R535000), a selective HIV protease inhibitor used for the treatment of HIV infections and AIDS. References Hamada, Y., et al.: Bioorg. Med. Chem., 10, 4155 (2002);

Applications Efavirenz penteneyne is an analog of Efavirenz (E425000), a nonnucleoside HIV-1 reverse transcriptase inhibitor and antiviral agent. References Young, S.D., et al.: Antimicrob. Ag. Chemother., 39, 2602 (1995)

β-Anomer shows antiviral properties.

Braco-19 is a telomerase/telomere inhibitor and an inhibitor of HAdV viral replication with antiviral activity that reduces lipid vacuolization in adipocytes, inhibits proliferation and decreases telomerase activity in human glioblastoma cells.

Bemnifosbuvir hemisulfate (AT-527) is a potent inhibitor of HCV virus replication.

Impurity Oseltamivir EP Impurity E Stability Hygroscopic Applications Oseltamivir EP Impurity E It is a COVID19-related research product.

Efavirenz is a non-nucleoside-based reverse transcriptase inhibitor (NNRTI) of the reverse transcriptase of HIV-1. It inhibits the viral enzyme reverse transcriptase by binding to its active site. In certain cell culture assays, Efavirenz showed great efficiency when inhibiting wild-type HIV-1 replication. In the treatment of HIV, Efavirenz has been studied in combination with Emtricitabine and Tenofovir disoproxil fumarate for ease of administration in some clinical studies. Recent in vitro cell studies indicated Efavirenz is a potential treatment for pancreatic, prostate and triple-negative breast cancers due to its cytotoxicity against cancer cells.Efavirenz is part of our Bio-X ™ Range. These products are aimed at life science researchers who need high quality ready to use products for assay development, screening or other R&D work. With a solubility datasheet and convenient vials, all of our Bio-X ™ products are in stock across our global warehouses for rapid delivery and ease of use.

Impurity Oseltamivir EP Impurity D Applications 4-Acetylamino-3-hydroxybenzoic Acid Ethyl Ester (Oseltamivir EP Impurity D) is an impurity in the antiviral drug Oseltamivir (O700100).

Triazavirin is a nucleoside analogue of nucleic acid and an antiviral agent.

Applications Ribavirin-13C2 is the labeled analogue of Ribavirin (R414475), a purine nucleoside analog; inhibits inosine monophosphate dehydrogenase (IMPDH). Used as an antiviral agent.This compound is suitable for pyruvate dehydrogenase (PDH) related research. References Fernandez, H., et al.: Eur. J. Epidemiol., 2, 1 (1986); Liao, H.J. and Stollar, V.: Antiviral Res., 22, 285 (1993); Honda, Y., et al.: Antimicrob. Agents Chemother., 38, 653 (1994); Reichard, O., et al.: Lancet, 351, 83 (1998)

2-PADQZ hydrochloride shows antiviral activity and targets influenza A virus RNA promoter.

Ganoderic acid TR inhibits flu NAs, especially H1N1/H5N1, with IC50s: 4.6 & 10.9 μM.

Vicriviroc malate is a CCR5 antagonist with action on blocking HIV entry into cells by targeting the CCR5 receptor and is used for research on HIV treatment.

Adefovir is an antiviral drug that is used for the treatment of hepatitis B infections. This drug works by blocking the enzyme reverse transcriptase, therefore preventing the replication of the virus in the body. Adefovir is part of our Bio-X ™ Range. These products are aimed at life science researchers who need high quality ready-to-use products for assay development, screening or other R&D work. With a solubility datasheet and convenient vials, all of our Bio-X ™ products are in stock across our global warehouses for rapid delivery and ease of use.

Applications 4-Chloro-2-[3-cyclopropyl-1-hydroxy-1-(trifluoromethyl)-2-(propynyl)phenyl]carbamic Acid 4-Chlorobutyl Ester is an impurity in the preparation of Efavirenz (E425000), an HIV-1 reverse transcriptase inhibitor. References Young, S.D., et al.: Antimicrob. Ag. Chemother., 39, 2602 (1995); Husain, M. et al.: Ind. J. Chem. Sect. B. Org. Chem. Incl. Medicin. Chem., 48B, 1174 (2009); Pierce, M. et al.: J. Org. Chem., 63, 8536 (1998);

Dryocrassin ABBA (Dryocrassin) is a flavonoid natural product derived from Dryopteris crassirhizoma, with antiviral and antibacterial activities.

Stability Light Sensitive Applications Germacrone is an antiviral isolate of Geranium macrorrhizum which inhibits and prevents early stage influenza virus infection. It also inhibits the proliferation of glioma cells by promoting apoptosis. References Liao, Q. et al.: Antiviral. Res., 100, 578 (2013); Liu, B. et al.: Mol. Med. Reports., 10, 1046 (2014);

(R)-JAK2/STAT3-IN-10a is the R-isomer of JAK2/STAT3-IN-1.JAK2/STAT3-IN-1 is a structural domain inhibitor of GP130 D1 with antitumor activity.

Atazanavir is an antiviral protease inhibitor, used in the anti-retroviral therapy of adult and sometimes paediatric patients infected with HIV. This drug inhibits the processing of viral Gag and Gag-pol polyproteins in HIV-1 infected cells by binding to the HIV-1 protease active site. Atazanavir is part of our Bio-X ™ Range. These products are aimed at life science researchers who need high quality ready-to-use products for assay development, screening or other R&D work. With a solubility datasheet and convenient vials, all of our Bio-X ™ products are in stock across our global warehouses for rapid delivery and ease of use.

Ritonavir is a HIV protease inhibitor. It has an anti-retroviral activity as it inhibits the protease enzymes specific of both HIV-1 and HIV-2 and has been shown to be effective in controlling virus replication in humans and animals. Ritonavir works by preventing the HIV viral protease enzyme from cleaving the structural and replicative proteins produced by HIV genes such as gag and pol. Ritonavir is part of our Bio-X ™ Range. These products are aimed at life science researchers who need high quality ready to use products for assay development, screening or other R&D work. With a solubility datasheet and convenient vials, all of our Bio-X ™ products are in stock across our global warehouses for rapid delivery and ease of use.

Impurity Ritonavir EP Impurity N Applications 4-Dehydroxy-5-Hydroxy Ritonavir (Ritonavir EP Impurity N) is an impurity of the selective HIV protease inhibitor Ritonavir (R535000). It is a COVID19-related research product. References Kempf, D.J. et al.: J. Med. Chem., 41, 602 (1998); Mekapati, S.B. et al.: J. Enzyme Inhib., 16, 185 (2001);

Applications 2-Chloro-5-(chloromethyl)thiazole is a useful synthetic intermediate used in the synthesis of Ritonavir (R535000); a second generation anti-AIDS drug and a selective HIV protease inhibitor. Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Meng, F., et al.: Guangzhou Huagong, 40, 66 (2012); Daluge, S., et al.: Antimicrob. Agents Chemother., 38, 1590 (1994); Ammaranond, P., et al.: J. Clin. Virol., 26, 153 (2003); Harrigan, P., et al.: J. Infect. Dis., 191, 339 (2005); Miller, J., et al.: Bioorg. Med. Chem. Lett., 16, 1788 (2006)

Impurity Atazanavir Impurity (Pyridinyl Benzaldehyde) Applications Reactive metabolite of atazanavir. Atazanavir Impurity; Pyridinyl Benzaldehyde impurity References F. Li et al., Drug Metabolism and Disposition 39, 294 (2011)

Emtricitabine is a nucleoside analog that is an antiviral drug used to treat HIV/AIDS. It is a synthetic nucleoside analog of cytidine, in which the 3' phosphate and 5' hydroxyl groups have been replaced with a fluorine atom and a methoxy group, respectively. Emtricitabine has been shown to inhibit the synthesis of viral DNA by competing for incorporation into the viral DNA strand during the elongation phase of viral replication. Emtricitabine also has anticancer activity, but no other known therapeutic uses.

Applications 3,4-Difluoroaniline-2,6-d2 (CAS# 1061566-62-8) can be used in its derivative form as an antiviral agent for Hepatitis B. References Qiu, Y.L., et.al., U.S. Pat. Appl. Publ., 187,(2019);