Quinones

Juglone (Standard) is the analytical standard of Juglone. This product is intended for research and analytical applications. Juglone (5-hydroxy-1,4-naphthalenedione) is a yellow dye that can be extracted from Juglans regia. Juglone induces apoptosis through the mitochondrial pathway. Juglone has antibacterial and antitumor activity .

Oosporein (Standard) is the analytical standard of Oosporein (HY-N7719). This product is intended for research and analytical applications. Oosporein is a microbial metabolite and a red crystalline toxin produced by various fungi. Oosporein can promote the reproduction of fungi in host bodies by inhibiting insect immunity, and possesses multiple activities such as antibacterial, antiviral (HSV), and insecticidal effects. Oosporein can inhibit plant growth. In addition, Oosporein can also induce apoptosis, cell membrane damage, oxidative stress, and mitochondrial damage. Oosporein has certain antitumor activity.

Rifamycin S (Standard) is the analytical standard of Rifamycin S. This product is intended for research and analytical applications. Rifamycin S, a quinone, is an antibiotic against Gram-positive bacteria (including MRSA). Rifamycin S is the oxidized forms of a reversible oxidation-reduction system involving two electrons. Rifamycin S generates reactive oxygen species (ROS) and inhibits microsomal lipid peroxidation. Rifamycin S can be used for tuberculosis and leprosy.

Daunorubicin (Standard) is the analytical standard of Daunorubicin (HY-13062A). This product is intended for research and analytical applications. Daunorubicin (Daunomycin) is a topoisomerase II inhibitor with potent anti-tumor activity. Daunorubicin inhibits DNA and RNA synthesis. Daunorubicin is a cytotoxin that inhibits cancer cell viability and induces apoptosis and necrosis. Daunorubicin is also an anthracycline antibiotic. Daunorubicin can be used in the research of infection and variety of cancers, including leukemia, non-HodgK_in lymphomas, Ewing's sarcoma, Wilms' tumor.

Daunorubicin (hydrochloride) (Standard) is the analytical standard of Daunorubicin (hydrochloride). This product is intended for research and analytical applications. Daunorubicin (Daunomycin) hydrochloride is a topoisomerase II inhibitor with potent anti-tumor activity. Daunorubicin hydrochloride inhibits DNA and RNA synthesis. Daunorubicin hydrochloride is a cytotoxin that inhibits cancer cell viability and induces apoptosis and necrosis. Daunorubicin hydrochloride is also an anthracycline antibiotic. Daunorubicin hydrochloride can be used in the research of infection and variety of cancers, including leukemia, non-Hodgkin lymphomas, Ewing's sarcoma, Wilms' tumor.

Mitoxantrone (dihydrochloride) (Standard) is the analytical standard of Mitoxantrone (dihydrochloride). This product is intended for research and analytical applications. Mitoxantrone dihydrochloride is a potent topoisomerase II inhibitor. Mitoxantrone dihydrochloride also inhibits protein kinase C (PKC) activity with an IC50 of 8.5 μM. Mitoxantrone dihydrochloride induces apoptosis of B-CLL (B-chronic lymphocytic leukaemia) cells. Mitoxantrone dihydrochloride shows antitumor activity. Mitoxantrone dihydrochloride also has anti-orthopoxvirus activity with EC50s of 0.25 μM and and 0.8 μM for cowpox and monkeypox, respectively.

Mitoxantrone (Standard) is the analytical standard of Mitoxantrone. This product is intended for research and analytical applications. Mitoxantrone is a potent topoisomerase II inhibitor. Mitoxantrone also inhibits protein kinase C (PKC) activity with an IC₅₀ of 8.5 μM. Mitoxantrone induces apoptosis of B-CLL (B-chronic lymphocytic leukaemia) cells. Mitoxantrone shows antitumor activity. Mitoxantrone also has anti-orthopoxvirus activity with EC₅₀s of 0.25 μM and and 0.8 μM for cowpox and monkeypox, respectively.

β-Lapachone (Standard) is the analytical standard of β-Lapachone. This product is intended for research and analytical applications. β-Lapachone (ARQ-501;NSC-26326) is a naturally occurring O-naphthoquinone, acts as a topoisomerase I inhibitor, and induces apoptosis by inhibiting cell cycle progression.

Demeclocycline hydrochloride (Standard) is the analytical standard of Demeclocycline hydrochloride (HY-17560). This product is intended for research and analytical applications. Demeclocycline hydrochloride is an orally active tetracycline antibiotic that inhibits the binding of aminoacyl tRNA by binding to the 30S ribosomal subunit, thereby affecting protein synthesis. Demeclocycline hydrochloride exhibits antibacterial activity against a broad spectrum of bacterial infections.

Thymoquinone (Standard) is the analytical standard of Thymoquinone. This product is intended for research and analytical applications. Thymoquinone is an orally active natural product isolated from N. sativa Thymoquinone down-regulates the VEGFR2-PI3K-Akt pathway. Thymoquinone has antioxidant, anti-inflammatory, anticancer, antiviral, anticonvulsant, antifungal, antiviral, antiangiogenic activity and hepatoprotective effects. Thymoquinone can be used to study Alzheimer's disease, cancer, cardiovascular disease, infectious disease and inflammation .

Anthraquinone (Standard) is the analytical standard of Anthraquinone. This product is intended for research and analytical applications. Anthraquinone is used as a precursor for dye formation.

Dihydrotanshinone I (Standard) is the analytical standard of Dihydrotanshinone I. This product is intended for research and analytical applications. Dihydrotanshinone I is a natural compound extracted from Salvia miltiorrhiza Bunge which has been widely used for treating cardiovascular diseases. Dihydrotanshinone I exhibits entry-blocking effect for MERS-CoV.

Rubiadin (Standard) is the analytical standard of Rubiadin (HY-N0444). This product is intended for research and analytical applications. Rubiadin is an orally active free radical scavenger that inhibits the activation of the NF-κB pathway. Rubiadin inhibits osteoclast formation, bone resorption, lipid peroxidation, HBV DNA replication and cancer cell proliferation; reduces pro-inflammatory cytokine levels; induces cancer cell apoptosis; and possesses antifungal, antimalarial, antibacterial and anticonvulsant activities. Rubiadin can be used in the research of osteoporosis, acute inflammation, chronic inflammation, carbon tetrachloride-induced liver injury, Alzheimer's disease, breast cancer, iron overload disorders, hepatitis B virus infection, colon cancer, liver cancer, T-lymphocytic leukemia, cervical cancer, diabetic nephropathy, epileptic seizures, fungal infections, malaria and bacterial infections.

Aloin B (Isobarbaloin) (Standard) is the analytical standard of Aloin B. This product is intended for research and analytical applications. Aloin B is an orally active SARS-CoV-2 papain-like protease (PLpro) inhibitor with an IC₅₀ of 16.08 μM (hydrolytic activity) and 17.51 μM (deubiquitinase activity). Aloin B is metabolized by rat intestinal flora into aloe-emodin-9-anthrone to exert laxative effects. Aloin B inhibits TPA (HY-18739)-induced ear edema, putrescine elevation, and tumor promotion in mouse skin. Aloin B can be used in research related to anti-inflammation, tumor promotion inhibition, coronavirus disease 2019 (COVID-19) and constipation.

2,6-Dimethoxy-1,4-benzoquinone (Standard) is the analytical standard of 2,6-Dimethoxy-1,4-benzoquinone (HY-N1677). This product is intended for research and analytical applications. 2,6-Dimethoxy-1,4-benzoquinone is a 1,4-benzoquinone derivative. 2,6-Dimethoxy-1,4-benzoquinone promotes phosphorylation of AKT, S6K, mTOR, 4E-BP1, and AMPK, and attenuates mTORC1 activity as part of the AKT/mTOR pathway. 2,6-Dimethoxy-1,4-benzoquinone stimulates myoblast differentiation, increases myotube size, elevates MHC protein expression, enhances mitochondrial biogenesis, respiration, and DNA content, and increases skeletal muscle weights, fiber size, grip strength, and treadmill performance. 2,6-Dimethoxy-1,4-benzoquinone exerts anti-cancer, anti-inflammatory, anti-adipogenic, antibacterial, and antimutagenic effects, inhibits adipogenic transcription factors, nitric oxide production, skin tumor development, Magnaporthe oryzae growth, spore germination, appressorium formation, and growth of select bacterial species, induces H2O2 generation and rice defense gene expression, and reduces rice blast lesion formation. 2,6-Dimethoxy-1,4-benzoquinone can be used for the research of obesity, skin tumorigenesis, rice blast disease, and food-borne illness.

Tectoquinone (Standard) is the analytical standard of Tectoquinone. This product is intended for research and analytical applications. Tectoquinone (2-Methylanthraquinone) is an inhibitor for SARS CoV-2 major protease (SARS CoV-2 Mpro). Tectoquinone exhibits anti-termite and antiviral activities.

Sennoside C (Standard) is the analytical standard of Sennoside C (HY-N1972). This product is intended for research and analytical applications. Sennoside C is an orally active component of the traditional Chinese medicine Sennae Folium. Sennoside C can bind to human lysozyme and inhibit its amyloid fibrosis (IC₅₀: 186.20 μM). Sennoside C has certain purgative activity. Sennoside C can be used in the research of diarrhea and anti-amyloid related diseases.

Sennoside D (Standard) is the analytical standard of Sennoside D. This product is intended for research and analytical applications. Sennoside D is an anthraquinone glycoside, found in leaves and pods of Senna (Cassia angustifolia).

Aclacinomycin A (Standard) is the analytical standard of Aclacinomycin A. This product is intended for research and analytical applications. Aclacinomycin A (Aclarubicin) is an orally active and potent anthracycline antitumor antibiotic. Aclacinomycin A is an inhibitor of topoisomerase I and II. Aclacinomycin A inhibits synthesis of nucleic acid, especially RNA. Aclacinomycin A might inhibit the 26S protease complex as well as the ubiquitin-ATP-dependent proteolysis.

Aloe-emodin-8-O-β-D-glucopyranoside (Standard) is the analytical standard of Aloe-emodin-8-O-β-D-glucopyranoside. This product is intended for research and analytical applications. Aloe-emodin-8-O-β-D-glucopyranoside, a compound isolated from Saussrurea lappa, is a moderate inhibitor of human protein tyrosine phosphatase 1B (hPTP1B) with an IC₅₀ of 26.6 μM.