Alkaloids

Nortriptyline (Standard) is the analytical standard of Nortriptyline. This product is intended for research and analytical applications. Nortriptyline (Desmethylamitriptyline), the main active metabolite of Amitriptyline, is a tricyclic antidepressant. Nortriptyline is a potent autophagy inhibitor and has anticancer effects. N

Camalexin (Standard) is the analytical standard of Camalexin. This product is intended for research and analytical applications. Camalexin is a phytoalexin isolated from Camelina sativa (Cruciferae) with antibacterial, antifungal, antiproliferative and anticancer activities. Camalexin can induce reactive oxygen species (ROS) production[1][2][3].

Chelerythrine (chloride) (Standard) is the analytical standard of Chelerythrine (chloride). This product is intended for research and analytical applications. Chelerythrine chloride is a potent, cell-permeable inhibitor of protein kinase C, with an IC₅₀ of 660 nM. Chelerythrine chloride inhibits the Bcl-XL-Bak BH3 peptide binding with IC₅₀ of 1.5 μM and displaces Bax from Bcl-XL. Chelerythrine chloride induces apoptosis and autophagy.

Yohimbic acid (Standard) is the analytical standard of Yohimbic acid (HY-121936). This product is intended for research and analytical applications. Yohimbic acid is a derivative of Yohimbine Hydrochloride (HY-N0127). Yohimbic acid exhibits vasodilatory and anticancer activities. Yohimbic acid can be used for the research of cancer, inflammation and cardiovascular disease.

Ricinine (Standard) is the analytical standard of Ricinine (HY-121944). This product is intended for research and analytical applications. Ricinine is a central nervous system stimulant found in Ricinus communis. Ricinine binds near the benzodiazepine site of the GABA_A receptor, reducing benzodiazepine binding affinity through an allosteric effect, and shows no interaction with AMPA, 5-HT_1A, muscarinic receptors, or α₁ adrenergic receptors. Ricinine improves memory consolidation in mice at low doses, while at high doses it induces seizures, an effect that is selectively inhibited by diazepam. Ricinine shortens the lifespan of Anopheles mosquitoes through sugar feeding and promotes the development of Plasmodium falciparum in mosquitoes. Ricinine is used in research related to epilepsy, amnesia, and malaria.

Lycopsamine (Standard) is the analytical standard of Lycopsamine. This product is intended for research and analytical applications. Lycopsamine, a pyrrolizidine alkaloid, is a potential antitumor agent isolated from Eupatorium maculatum L..

Piperlonguminine (Standard) is the analytical standard of Piperlonguminine (HY-126562). This product is intended for research and analytical applications. Piperlonguminine is a cytochrome P450 (CYP450) inhibitor. Piperlonguminine also inhibits the growth of epimastigotes and intracellular amastigotes of Trypanosoma cruzi, with IC₅₀ values of 53.8 and 33.9 μM, respectively. Piperlonguminine regulates HMGB1/TLR4-NF-κB/MAPK-related inflammatory responses, endothelial protein C receptor (EPCR) shedding, melanogenesis, glycolipid metabolism, ischemic brain injury and tumor growth. Piperlonguminine can be used in research on hyperlipidemia, sepsis, Chagas disease, ischemic stroke, sarcoma and severe acute pancreatitis-associated lung injury.

Colchiceine (Standard) is the analytical standard of Colchiceine. This product is intended for research and analytical applications. Colchiceine is one of several metabolites of the anti-gout medication Colchicine (HY-16569). Colchicine is a tubulin inhibitor and a microtubule disrupting agent, and may protect rats from developing liver injury and fibrosis.

N-Desmethyltamoxifen (hydrochloride) (Standard) is the analytical standard of N-Desmethyltamoxifen (hydrochloride). This product is intended for research and analytical applications. N-Desmethyltamoxifen hydrochloride is the major metabolite of tamoxifen in humans. N-Desmethyltamoxifen, a poor antiestrogen, is a ten-fold more potent protein kinase C (PKC) inhibitor than Tamoxifen. N-Desmethyltamoxifen hydrochloride is also a potent regulator of ceramide metabolism in human AML cells, limiting ceramide glycosylation, hydrolysis, and sphingosine phosphorylation[1][2][3].

Noscapine (Standard) is the analytical standard of Noscapine. This product is intended for research and analytical applications. Noscapine ((S,R)-Noscapine) is an orally active phthalideisoquinoline alkaloid with potent antitussive. Noscapine exerts its antitussive effects by activating sigma opioid receptors and is a non-competitive Bradykinin inhibitor. Noscapine disrupts microtubule dynamics, induces mitotic arrest and apoptosis. Noscapine possesses anticancer, neuroprotective, anti-inflammatory activities, and can cross the blood-brain barrier[4].

Tetrandrine (Standard) is the analytical standard of Tetrandrine. This product is intended for research and analytical applications. Tetrandrine (NSC-77037; d-Tetrandrine) is a bis-benzyl-isoquinoline alkaloid, which inhibits voltage-gated Ca2+ current (ICa) and Ca2+-activated K+ current.

C18:1-Ceramide (Standard) is the analytical standard of C18:1-Ceramide (HY-141578). This product is intended for research and analytical applications. C18:1-Ceramide is a ceramide subspecies belonging to bioactive lipids. C18:1-Ceramide exhibits activities of inducing skeletal muscle insulin resistance and affecting metabolism. C18:1-Ceramide can be used in the research of obesity, type 2 diabetes (T2D), insulin resistance and other related metabolic diseases.

Sinomenine hydrochloride (Standard) is the analytical standard of Sinomenine hydrochloride. This product is intended for research and analytical applications. Sinomenine hydrochloride (Cucoline hydrochloride), an alkaloid extracted from Sinomenium acutum, is a blocker of the NF-κB activation. Sinomenine also is an activator of μ-opioid receptor.

6PPD-Q (Standard) is the analytical standard of 6PPD-Q (HY-153169). This product is intended for research and analytical applications. 6PPD-Q (6PPD-Quinone) is an environmental pollutant that can be detected in human urine and is widely present in the environment. 6PPD-Q targets and binds to CNR2, CNR1, AA2AR, LCAT, and TRPA1, with CNR2 exhibiting the highest binding affinity, potentially acting as a CNR2 receptor agonist to activate cannabinoid receptors. 6PPD-Q induces intestinal inflammation and barrier damage by disrupting mitochondrial function, reducing neuronal glycolysis metabolites and TCA cycle intermediates, and exacerbating α-synuclein (α-syn) aggregation. 6PPD-Q is applicable in research on environmental toxicology, neurodegenerative diseases, and inflammation-related disorders.

Irinotecan (hydrochloride) (Standard) is the analytical standard of Irinotecan (hydrochloride). This product is intended for research and analytical applications. Irinotecan hydrochloride ((+)-Irinotecan hydrochloride) is a topoisomerase I inhibitor mainly used to treat colon cancer and rectal cancer.

Narciclasine (Standard) is the analytical standard of Narciclasine. This product is intended for research and analytical applications. Narciclasine is a plant growth modulator. Narciclasine modulates the Rho/Rho kinase/LIM kinase/cofilin signaling pathway, greatly increasing GTPase RhoA activity as well as inducing actin stress fiber formation in a RhoA-dependent manner.

(E/Z)-4-Hydroxytamoxifen (Standard) is the analytical standard of (E/Z)-4-Hydroxytamoxifen. This product is intended for research and analytical applications. (E/Z)-4-Hydroxytamoxifen (Afimoxifene) is a racemic compound of (Z)-4-Hydroxytamoxifen and (E)-4-Hydroxytamoxifen isomers. (E/Z)-4-Hydroxytamoxifen is a selective estrogen receptor modulator with mixed estrogenic and antiestrogenic activity, which is also an active metabolite of Tamoxifen (HY-13757A). (E/Z)-4-Hydroxytamoxifen is an agonist of the G protein-coupled estrogen receptor (GPER) with relatively low affinity (100-1000 nM). (E/Z)-4-Hydroxytamoxifen is promising for research of cyclical mastalgia, such as breast pain, tenderness, and nodularity.

Cyclopamine (Standard) is the analytical standard of Cyclopamine. This product is intended for research and analytical applications. Cyclopamine is a Hedgehog (Hh) pathway antagonist with an IC50 of 46 nM in the Hh cell assay. Cyclopamine is also a selective Smo inhibitor.

Atazanavir (sulfate) (Standard) is the analytical standard of Atazanavir (sulfate). This product is intended for research and analytical applications. Atazanavir (BMS-232632) sulfate, a highly selective HIV-1 protease inhibitor, is the first protease inhibitor approved for once-daily administration. Atazanavir sulfate is a substrate and inhibitor of CYP3A4, and an inhibitor and inducer of P-glycoprotein (P-gp). Atazanavir sulfate is also a SARS-CoV 3CLpro inhibitor with an IC₅₀ of 3.49 μM.

Tripelennamine hydrochloride (Standard) is the analytical standard of Tripelennamine hydrochloride (HY-17428). This product is intended for research and analytical applications. Tripelennamine hydrochloride is a histamine H1-receptor antagonist. Tripelennamine hydrochloride effectively reverses histamine-induced bronchoconstriction, increased transpulmonary pressure, elevated pulmonary vascular resistance and reduced dynamic compliance. Tripelennamine hydrochloride does not significantly affect arterial hypoxemia, hemoglobin desaturation and hypercapnia in horses undergoing short-term high-intensity exercise. Tripelennamine hydrochloride exhibits local and central analgesic activity. Tripelennamine hydrochloride can be used in studies related to emphysema, urticaria and acute laminitis.