2. Signaling Pathways
  3. Anti-infection
  4. SARS-CoV

SARS-CoV

SARS coronavirus

SARS-CoV

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SARS-CoV is the coronavirus (CoV) that causes severe acute respiratory syndrome (SARS). CoVs are enveloped viruses with a positive-sense, single-stranded RNA and can cause health-threatening outbreaks by targeting human respiratory system, including not only SARS, but also Middle East respiratory syndrome (MERS) and SARS-CoV-2 (the cause of COVID-19).

CoVs have four main structural proteins: spike(S), membrane (M), envelope (E), and nucleocapsid (N) proteins. An S protein mediates the CoV entry into host cells by attaching to a cellular receptor (ACE2 for SARS-CoV and SARS-CoV-2, DPP4 for MERS-CoV), followed by fusion between virus and host cell membranes. Genome replication and subgenomic RNA transcription after entry carry on with the participation of many nonstructural proteins such as Mpro (main protease or 3CLpro), PLpro (papain-like protease) and RdRp (RNA-dependent RNA polymerase). Then the structural proteins are translated, assembled into mature virions, and released via vesicles by exocytosis. It is worth mentioning that a protease called TMPRSS2 (transmembrane protease, serine 2) play important roles throughout the whole life of CoVs (such as attachment, assembling and release) by cleaving S protein. All the proteins and subcellular structures participated in the life cycle of CoVs are promising targets for treatment of disease caused by CoVs.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-155057
    SARS-CoV-2 Mpro-IN-8
    		Inhibitor
    SARS-CoV-2 Mpro-IN-8 (compound 6b) is an antiviral agent with anti-SARS-CoV-2 properties.
    SARS-CoV-2 Mpro-IN-8
  • HY-B1370S
    Hydroxychloroquine-d4 sulfate
    		Inhibitor
    Hydroxychloroquine-d4 (sulfate) is the deuterium labeled Hydroxychloroquine sulfate. Hydroxychloroquine sulfate (HCQ sulfate) is a synthetic antimalarial agent which can also inhibit Toll-like receptor 7/9 (TLR7/9) signaling. Hydroxychloroquine sulfate is efficiently inhibits SARS-CoV-2 infection in vitro.
    Hydroxychloroquine-d<sub>4</sub> sulfate
  • HY-155056
    SARS-CoV-2 Mpro-IN-7
    		Inhibitor
    SARS-CoV-2 Mpro-IN-7 (compound 6g) is a potent inhibitor of Mpro-SARS-CoV-2 (IC50=8.8 μM, CC50=10 μM).
    SARS-CoV-2 Mpro-IN-7
  • HY-157804
    PROTAC SARS-CoV-2 Mpro degrader-1
    		Inhibitor
    PROTAC SARS-CoV-2 Mpro degrader-1 (compound 5) is a PROTAC degrader targeting the major SARS-CoV-2 protease with broad-spectrum antiviral activity.
    PROTAC SARS-CoV-2 Mpro degrader-1
  • HY-B0157R
    Ketotifen (Standard)
    		Inhibitor
    Ketotifen (Standard) is the analytical standard of Ketotifen. This product is intended for research and analytical applications. Ketotifen (HC 20-511) is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention.
    Ketotifen (Standard)
  • HY-144263
    3CPLro-IN-2
    3CPLro-IN-2 (compound C1) is a potent and orally active inhibitor of SARS-CoV-2 3CLpro with an IC50 and Ki of 1.55 and 6.09 μM, respectively. 3-Chymotrypsin-like cysteine protease (3CLpro) is an indispensable protein in viral replication and represents an attractive agent target for fighting COVID-19.
    3CPLro-IN-2
  • HY-N10109
    Gallinamide A
    		Inhibitor
    Gallinamide A is a potent inhibitor of cathepsin L with an IC50 value of 17.6 pM.
    Gallinamide A
  • HY-143418
    SARS-CoV-2-IN-17
    		Inhibitor
    SARS-CoV-2-IN-17 (Compound 16) is a potent SARS-CoV-2 nucleocapsid protein (NPro) inhibitor. SARS-CoV-2-IN-17 exhibits potent anti-viral activity with the EC50 of 2.18 μM. SARS-CoV-2-IN-17 binds to NPro with the low KD value of 7.82 μM, suggesting that SARS-CoV-2-IN-17 is a potent NPro ligand.
    SARS-CoV-2-IN-17
  • HY-44484
    MAC-5576
    MAC-5576 is a SARS-CoV-2 3CL protease inhibitor, with an IC50 of 81 nM. MAC-5576 also inhibits 3CLpro (IC50=0.5 μM), HAV 3Cpro (IC50=0.5 μM), and thrombin (IC50=13 μM).
    MAC-5576
  • HY-128788
    ddhCTP
    		Inhibitor
    ddhCTP is a nucleoside analog and inhibits the synthesis of DNA by specifically inhibiting the activity of DNA polymerase with the Ki values of 1.32 and 0.034 μM for DNA polymerase beta and DNA polymerase gamma.
    ddhCTP
  • HY-14588S2
    Lopinavir-d7
    		Inhibitor
    Lopinavir-d7 is deuterated labeled Lopinavir (HY-14588). Lopinavir (ABT-378) is a highly potent, selective peptidomimetic inhibitor of the HIV-1 protease, with Kis of 1.3 to 3.6 pM for wild-type and mutant HIV protease. Lopinavir acts by arresting maturation of HIV-1 thereby blocking its infectivity. Lopinavir is also a SARS-CoV 3CLpro inhibitor with an IC50 of 14.2 μM.
    Lopinavir-d<sub>7</sub>
  • HY-156734
    D-4-77
    		Inhibitor
    D-4-77 is a potent inhibitor of SARS-CoV-2 Mpro with an IC50 value of 0.95 μM. D-4-77 has antiviral active with an EC50 value of 0.49 μM. D-4-77 suppresses SARS-CoV-2 Mpro -induced antagonism of the host NF-κB innate immune response.
    D-4-77
  • HY-178772
    SARS-CoV-2 Mpro-IN-50
    		Inhibitor
    SARS-CoV-2 Mpro-IN-50 (Compound 30) is a noncovalent SARS-CoV-2 Mpro inhibitor with an IC50 of 14  nM. SARS-CoV-2 Mpro-IN-50 is also a pan-CoV Mpro inhibitor with IC50 s of 20-190 nM for SARS-CoV-1 Mpro, 229E Mpro, HKU1 Mpro, MERS Mpro, NL63 Mpro and OC43 Mpro. SARS-CoV-2 Mpro-IN-50 has significant antiviral activity against the SARS-CoV-2 omicron variant (EC50 : 22  nM). SARS-CoV-2 Mpro-IN-50 can be used for coronavirus infections research.
    SARS-CoV-2 Mpro-IN-50
  • HY-B0693A
    Ranitidine bismuth citrate
    		Inhibitor
    Ranitidine bismuth citrate is a potent, selective and orally active histamine H2-receptor antagonist that inhibits gastric secretion. Ranitidine bismuth citrate antagonizes Histamine (HY-B1204)-induced increases of the guinea-pig isolated rat atrium and Histamine-induced relaxations of the rat isolated uterine horn, with pA2 values of 7.2 and 6.95, respectively. Ranitidine bismuth citrate has selectivity for SARS-CoV-2-infected cells. Ranitidine bismuth citrate also has anti-Helicobacter pylori infection. Ranitidine bismuth citrate inhibits breast tumor development and spread in mice.
    Ranitidine bismuth citrate
  • HY-172350
    WEHI-P8
    		Inhibitor
    WEHI-P8 is an orally active inhibitor targeting the papain-like protease (PLpro) of coronaviruses. WEHI-P8 againsts SARS-CoV-2 PLpro with an IC50 value of 12 nM. WEHI-P8 has good cellular activity with a EC50 of 298 nM. WEHI-P8 protects mice from SARS-CoV-2 induced long-term symptoms in lung and brain. WEHI-P8 can be used for post-acute sequelae of COVID-19 study.
    WEHI-P8
  • HY-P991445
    REGN3051
    		Inhibitor
    REGN3051 is a human IgG1 monoclonal antibody (mAb) targeting MERS CoV. REGN3051 reduces viral titers in the lungs of mice expressing human DPP4. REGN3051 decreases lung disease severity and viral replication in marmosets inoculated with MERS-CoV. Recommended isotype control: Human IgG1 kappa, Isotype Control (HY-P99001).
    REGN3051
  • HY-W039454R
    2,4-Dichlorobenzyl alcohol (Standard)
    2,4-Dichlorobenzyl alcohol (Standard) is the analytical standard of 2,4-Dichlorobenzyl alcohol (HY-W039454). This product is intended for research and analytical applications. 2,4-Dichlorobenzyl alcohol is an orally active mild antiseptic, with a broad spectrum for bacterial and virus associated with mouth and throat infections. 2,4-Dichlorobenzyl alcohol exhibits prenatal developmental toxicity.2,4-Dichlorobenzyl alcohol can be used in the study of SARS-CoV.
    2,4-Dichlorobenzyl alcohol (Standard)
  • HY-164619
    CDK9-IN-34
    		Inhibitor
    CDK9-IN-34 (Compound 1b) is an inhibitor for CDK9 with an IC50 of 0.25 μM. CDK9-IN-34 exhibits cytotoxicity to cancer cell HCT116, MCF7 and K652 with IC50s of 1.43, 3.01 and 50.27 μM, respectively. CDK9-IN-34 exhibits antiviral activity against coronavirus 229E with an IC50 of 145.92 μM.
    CDK9-IN-34
  • HY-151274A
    SARS-CoV-2-IN-28 disodium
    		Inhibitor
    SARS-CoV-2-IN-28 disodium is a two-armed diphosphate ester with C7 alkyl and molecular tweezers with extended length. SARS-CoV-2-IN-28 disodium exhibits antiviral activity with IC50s of 0.4 μM and 1.0 μM against SARS-CoV-2 activity and the spike pseudoparticle transduction, respectively. SARS-CoV-2-IN-28 disodium induces liposomal membrane disruption with an EC50 value of 4.4 μM.
    SARS-CoV-2-IN-28 disodium
  • HY-149320
    Acryl42-10
    		Inhibitor
    Acryl42-10 is a covalent inhibitor of the SARS-CoV-2 Nsp14 N7-Methyltransferase (IC50: 7 μM).
    Acryl42-10
Cat. No. Product Name / Synonyms Species Source