Orthopoxvirus

Orthopoxvirus is a genus of viruses in the family Poxviridae and subfamily Chordopoxvirinae. The orthopoxvirus genus consists of 12 viruses including variola virus, vaccinia virus (VV), cowpox viruses (CV), monkeypox virus, and camelpox virus.

There are not many drugs available for orthopoxvirus treatment. The only product currently available for treatment of complications of Orthopoxvirus infection is vaccinia immunoglobulin (VIG). In 2021, brincidofovir was approved by FDA for the treatment of smallpox and tecovirimat was approved by EMA for the treatment of monkeypox in 2022. A few active compounds including interferon and interferon inducers, and a variety of nucleosides or nucleotides have been reported to have activity against orthopoxvirus.

Orthopoxvirus Inhibitors (116)

Orthopoxvirus Related Products (135):

Cat. No.	Product Name	Effect	Purity	Chemical Structure

HY-180785

G243-1720	Inhibitor
G243-1720 is a potent, orally active, broad-spectrum anti-orthopoxvirus agent that functions by targeting the OPG57 (F13) protein and inducing its dimerization. G243-1720 effectively inhibits the replication of various poxviruses, but has no inhibitory effect on non-poxviruses. G243-1720 prevents the formation of extracellular membrane virus particles and the spread between cells. G243-1720 significantly reduces the viral load of monkeypox virus (MPXV) in the lungs of mice

HY-172775

Spirovirimat	Inhibitor
Spirovirimat (Compound 7) is a potent Monkeypox virus (MPXV) p37 protein inhibitor with an IC₅₀ value of 35 nM. Spirovirimat blocks the formation of extracellular virions by inhibiting viral membrane wrapping. Spirovirimat is promising for research of Monkeypox virus infections.

HY-131606S

Cidofovir diphosphate-¹³C₃	Inhibitor
Cidofovir diphosphate-¹³C₃ is the ¹³C-labeled Cidofovir diphosphate (HY-131606). Cidofovir diphosphate is the intracellular active metabolite of Cidofovir (HY-17438) and its oral prodrug Brincidofovir (HY-14532). By inhibiting viral DNA polymerase (Ki ≈ 76.3 μM), cidofovir diphosphate is widely used in studies on double-stranded DNA virus infections, including cytomegalovirus (CMV), adenovirus (AdV), and poxviruses (such as monkeypox and molluscum contagiosum virus, MCV).

HY-14532S

Brincidofovir-d₆	Inhibitor
Brincidofovir-d₆ (CMX001-d₆) is the deuterium labeled Brincidofovir (HY-14532). Brincidofovir (CMX001), the lipid-conjugated prodrug of Cidofovir (HY-17438), is an orally available, long-acting antiviral. Brincidofovir shows activity against a broad spectrum of DNA viruses including cytomegalovirus (CMV), adenovirus (ADV), varicella zoster virus, herpes simplex virus, polyomaviruses, papillomaviruses, poxviruses, and mixed double-stranded DNA virus infections. Brincidofovir, an oral antiviral in late stage development, has proven effective against orthopoxviruses in vitro and in vivo..

HY-149022

HSV-1/HSV-2-IN-1
HSV-1/HSV-2-IN-1 (compound 7d) is a HSV-1 and HSV-2 inhibitor, with EC₅₀s of 7.6, 7.6, 4, and 12 μM for HSV-1 (KOS), HSV-2 (G), HSV-1 TK^- KOS ACV^r and vaccinia virus in human embryonic lung fibroblast cell cultures.

HY-167911

Cidofovir sodium	Inhibitor
Cidofovir sodium is an acyclic monophosphate nucleotide analogue and CMV inhibitor with antiviral activity. Cidofovir sodium inhibits cytomegalovirus (CMV) replication by selectively inhibiting viral DNA polymerase. Cidofovir sodium induces apoptosis and can be used in studies of AIDS cytomegalovirus retinitis, herpes, and cancer. Cidofovir sodium also has anti-orthopoxvirus and anti-variola activities.

HY-N1150S10

Thymidine-d₁₄	Inhibitor
Thymidine-d₁₄ (DThyd-d₁₄; NSC 21548-d₁₄) is deuterium labeled Thymidine (HY-N1150). Thymidine, a specific precursor of deoxyribonucleic acid, is used as a cell synchronizing agent. Thymidine is a DNA synthesis inhibitor that can arrest cell at G1/S boundary, prior to DNA replication.

HY-W416300

6-Methoxypurine arabinoside	Inhibitor
6-Methoxypurine arabinoside (Ara-m) is a potent varicella-zoster virus inhibitor. 6-Methoxypurine arabinoside has 50% inhibitory concentrations ranging from 0.5 to 3 microM against eight strains of VZV.

HY-162517

UMM-766	Inhibitor
UMM-766 is an orally available nucleoside analog. UMM-766 has potent, broad-spectrum antiviral activity against multiple members of the pox virus family. UMM-766 provides protection in a murine model of orthopox disease.

HY-W744235

Levofloxacin-d₃ sodium
Levofloxacin-d₃ sodium is the deuterium labeled Levofloxacin sodium (HY-B0330C). Levofloxacin ((-)-Ofloxacin) sodium is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin sodium inhibits the DNA gyrase and topoisomerase IV. Levofloxacin sodium can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin sodium shows anti-orthopoxvirus activity.

HY-B0402R1

Amantadine in Methanol (Standard)	Inhibitor
Amantadine in Methanol (Standard) is the solution of Amantadine (Standard). This product is intended for research and analytical applications. Amantadine (1-Adamantanamine) is an orally avtive and potent antiviral agent with activity against influenza A viruses. Amantadine inhibits several ion channels such as NMDA and M2, and also inhibits Coronavirus ion channels. Amantadine also has anti-orthopoxvirus and anticancer activity. Amantadine can be used for Parkinson's disease, postoperative cognitive dysfunction (POCD) and COVID-19 research[4].

HY-B0502AR

Enrofloxacin monohydrochloride (Standard)	Inhibitor
Enrofloxacin (monohydrochloride) (Standard) is the analytical standard of Enrofloxacin (monohydrochloride). This product is intended for research and analytical applications. Enrofloxacin monohydrochloride (BAY Vp 2674 monohydrochloride) is an effective antibiotic with an MIC90 of 0.312 μg/mL for Mycoplasma bovis. Enrofloxacin monohydrochloride shows inhibitory activity against vaccinia virus (VV).

HY-178449

Orthopoxviruses-IN-1	Inhibitor
Orthopoxviruses-IN-1 (Compound 4) is a potent p37 protein inhibitor (IC₅₀= 0.017 µM against Vaccinia virus (VACV)). Orthopoxviruses-IN-1 is promising for research of orthopoxvirus-related diseases, including variola virus (smallpox) and monkeypox.

HY-B0255R

Adefovir dipivoxil (Standard)	Inhibitor
Adefovir dipivoxil (Standard) is the analytical standard of Adefovir dipivoxil. This product is intended for research and analytical applications. Adefovir dipivoxil is an orally active adenosine analog and Adefovir prodrug. Adefovir dipivoxil inhibits DNA synthesis, activates the ATR signaling pathway, and disrupts the KCTD12-CDK1 interaction. Adefovir dipivoxil has antiviral activity against PRV, HBV, and orthopoxviruses. Adefovir dipivoxil has inhibitory effects on both lamivudine-resistant and wild-type strains. Adefovir dipivoxil has antitumor activity against lung and colon cancer.

HY-186075

PS1097	Inhibitor
PS1097 is a broad-spectrum antiviral inhibitor with a BVDV RdRp IC₅₀ of 0.64 μM. PS1097 selectively reduces RTN3 protein levels, causes partial RTN3 mRNA reduction, and leaves other endoplasmic reticulum-resident proteins unaffected. PS1097 inhibits replication of Zika virus and multiple viruses that use the endoplasmic reticulum as a replication hub. PS1097 inhibits BVDV RdRp enzymatic activity and exerts activity against Bovine Viral Diarrhea Virus. PS1097 can be used for the research of zika virus infection, usutu virus infection, west nile virus infection, COVID-19, coxsackie b virus 5 infection, chikungunya virus infection, vaccinia virus infection.

HY-17438R

Cidofovir (Standard)	Inhibitor
Cidofovir (Standard) is the analytical standard of Cidofovir. This product is intended for research and analytical applications. Cidofovir (GS 0504) is an acyclic monophosphate nucleotide analogue and CMV inhibitor with antiviral activity. Cidofovir inhibits cytomegalovirus (CMV) replication by selectively inhibiting viral DNA polymerase. Cidofovir induces apoptosis and can be used in studies of AIDS cytomegalovirus retinitis, herpes, and cancer. Cidofovir also has anti-orthopoxvirus and anti-variola activities.

HY-W007524R

2-Aminoquinoline (Standard)	Inhibitor
2-Aminoquinoline (2-Quinolinamine) is a promising compound as bioavailable nNOS inhibitor but suffers from low human nNOS inhibition, low selectivity versus human eNOS, and significant binding to other CNS targets. 2-Aminoquinoline exhibits antiviral activity against the vaccinia virus. 2-Aminoquinoline has the potential for the research of antineurodegenerative agents.

HY-W091784R

3'-O-Methylguanosine (Standard)	Inhibitor
3'-O-Methylguanosine (Standard) is an analytical standard of 3'-O-Methylguanosine (HY-W091784). This product is intended for research and analytical applications. 3'-O-Methylguanosine is a methylated nucleoside analog and RNA chain terminator. 3'-O-Methylguanosine can inhibit the synthesis of early vaccinia virus-specific RNA.

HY-A0061R

Trifluridine (Standard)	Inhibitor
Trifluridine (Standard) is the analytical standard of Trifluridine. This product is intended for research and analytical applications. Trifluridine (Trifluorothymidine) is an irreversible and orally active thymidylate synthase inhibitor, and thereby suppressing DNA synthesis. Trifluridine is an antiviral molecule used for research of HSV, rhabdovirus and orthopoxvirus infection. Trifluridine induces cell apoptosis and autophagy. Trifluridine is also an anticancer agent used in studies of metastatic colorectal cancer, gastrointestinal tumors.

HY-Y0032R

Thiosemicarbazide (Standard)	Inhibitor
Thiosemicarbazide is a vitamin B6 antagonist with anti-acne activity. Thiosemicarbazide is also a well-known source in the synthesis of heterocycles, and its derivatives have potential anticancer activity. Thiosemicarbazide (TSC: HL1) reacts with metal salts, urea (U), to prepare Co(II) and Cu(I) metal complexes. Thiosemicarbazide is also used in the fields of media communications and optical storage, and in the spectrophotometric detection of metals.

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