Drug Testing Standards

Progesterone (Standard) is the analytical standard of Progesterone. This product is intended for research and analytical applications. Progesterone is a steroid hormone that regulates the menstrual cycle and is crucial for pregnancy.

L-Glutamic acid (Standard) is the analytical standard of L-Glutamic acid. This product is intended for research and analytical applications. L-Glutamic acid is an excitatory amino acid neurotransmitter that acts as an agonist for all subtypes of glutamate receptors (metabolic rhodophylline, NMDA, and AMPA). L-Glutamic acid has an agonist effect on the release of DA from dopaminergic nerve endings. L-Glutamic acid can be used in the study of neurological diseases. IC₅₀ & Target:DA. In Vitro: L-Glutamic acid (120, 500, 750, 1000 mg/dL) can reduce the harmful effect of lithium on the embryonic development of Xenopus Xenopus.
L-Glutamic acid (2, 5, 10, 20 mM, 24-48 h) can induce neuroexcitotoxicity in neuroblastoma.
In Vivo: L-Glutamic acid (3 g/kg, subcutaneous injection) can promote excitotoxic degeneration of retinal ganglion cells in mice.
L-Glutamic acid (750 mg/kg, intraperitoneal injection) can reduce and inhibit oxidative stress induced by chlorpyrifos (CPF) in rats.

Disulfiram (Standard) is the analytical standard of Disulfiram. This product is intended for research and analytical applications. Disulfiram (Tetraethylthiuram disulfide) is a specific inhibitor of aldehyde-dehydrogenase (ALDH1), used for the treatment of chronic alcoholism by producing an acute sensitivity to alcohol. Disulfiram inhibits gasdermin D (GSDMD) pore formation in liposomes and inflammasome-mediated pyroptosis and IL-1β secretion in human and mouse cells. Disulfiram + Cu²⁺ increases intracellular ROS levels triggering apoptosis of ovarian cancer stem cells^[1-6].

L-Glutamine (Standard) is the analytical standard of L-Glutamine (HY-N0390). This product is intended for research and analytical applications. L-Glutamine is an orally active nutritional agent and cellular metabolism regulator. L-Glutamine is taken up in a Na⁺-dependent manner and targets multiple key molecules including glutaminase, mTORC1, NF-κB, STAT-3 and HIF-1α. L-Glutamine enhances glutaminolytic catabolism, drives the conversion of glutamate to α-ketoglutarate, thereby regulating gene expression, integrating metabolic signals, mediating glutamine flux and maintaining redox homeostasis. L-Glutamine also promotes cell proliferation, osteogenic differentiation and fracture healing, exerts neuroprotective and cardioprotective effects, and inhibits osteoarthritis. L-Glutamine can be applied to research related to osteoporosis, osteoarthritis, ischemic stroke and acute cantharidin-induced cardiotoxicity.

Adenosine (Standard) is the analytical standard of Adenosine. This product is intended for research and analytical applications. Adenosine (Adenine riboside), a ubiquitous endogenous autacoid, acts through the enrollment of four G protein-coupled receptors: A1, A2A, A2B, and A3. Adenosine affects almost all aspects of cellular physiology, including neuronal activity, vascular function, platelet aggregation, and blood cell regulation.

Rapamycin (Standard) (Sirolimus (Standard)) is the analytical standard of Rapamycin (HY-10219). This product is intended for research and analytical applications. Rapamycin (Sirolimus; AY 22989) is a potent and specific blood-brain barrier-transmissible mTOR inhibitor with an IC₅₀ of 0.1 nM in HEK293 cells. Rapamycin is a molecular glue that binds FKBP12 and mTOR proteins together, thereby inhibiting mTOR kinase activity. Rapamycin binds to FKBP12 and specifically acts as an allosteric inhibitor of mTORC1. Rapamycin is an autophagy activator, an immunosuppressant.

(-)-Epigallocatechin Gallate (Standard) is the analytical standard of (-)-Epigallocatechin Gallate. This product is intended for research and analytical applications. (-)-Epigallocatechin Gallate (EGCG) is a major polyphenol in green tea, which can inhibit cell proliferation and induce cell apoptosis. (-)-Epigallocatechin Gallate inhibits glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) activity. (-)-Epigallocatechin Gallate has a potent anticancer, antioxidant and anti-inflammatory properties against various types of cancers such as colorectal cancer, myeloid leukemia, thyroid carcinoma.

Kynurenic acid (Standard) is the analytical standard of Kynurenic acid. This product is intended for research and analytical applications. Kynurenic acid, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid is also an agonist of GPR35/CXCR8.

Luteolin (Standard) is the analytical standard of Luteolin. This product is intended for research and analytical applications. Luteolin (Luteoline), a flavanoid compound, is a potent Nrf2 inhibitor. Luteolin has anti-inflammatory, anti-cancer properties, including the induction of apoptosis and cell cycle arrest, and the inhibition of metastasis and angiogenesis, in several cancer cell lines, including human non-small lung cancer cells.

Dexamethasone (Standard) is the analytical standard of Dexamethasone. This product is intended for research and analytical applications. Dexamethasone (Hexadecadrol) is a glucocorticoid receptor agonist. Dexamethasone also significantly decreases CD11b, CD18, and CD62L expression on neutrophils, and CD11b and CD18 expression on monocytes. Dexamethasone is highly effective in the control of COVID-19 infection. Dexamethasone inhibits production of exosomes containing inflammatory microRNA-155 in lipopolysaccharide-induced macrophage inflammatory responses.

L-DOPA (Standard) is the analytical standard of L-DOPA. This product is intended for research and analytical applications. L-DOPA (Levodopa) is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA has anti-allodynic effects and the potential for Parkinson's disease.

Olaparib (Standard) is the analytical standard of Olaparib. This product is intended for research and analytical applications. Olaparib (AZD2281; KU0059436) is a potent and orally active PARP inhibitor with IC₅₀s of 5 and 1 nM for PARP1 and PARP2, respectively. Olaparib is an autophagy and mitophagy activator.

Norepinephrine (Standard) is the analytical standard of Norepinephrine. This product is intended for research and analytical applications. Norepinephrine (Levarterenol; L-Noradrenaline) is a potent adrenergic receptor (AR) agonist. Norepinephrine activates α₁, α₂, β₁ receptors.

Cyclic AMP (Standard) is the analytical standard of Cyclic AMP. Cyclic AMP (Cyclic adenosine monophosphate), adenosine triphosphate derivative, is an intracellular signaling molecule responsible for directing cellular responses to extracellular signals. Cyclic AMP is an important second messenger in many biological processes.

Palmitic acid (Standard) is the analytical standard of Palmitic acid. This product is intended for research and analytical applications. Palmitic acid is a long-chain saturated fatty acid commonly found in both animals and plants. PA can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in in mouse granulosa cells.

Adenosine monophosphate (Standard) is the analytical standard of Adenosine monophosphate (HY-A0181). This product is intended for research and analytical applications. Adenosine monophosphate is an adenosine A1 receptor agonist. Adenosine monophosphate has significant antiviral activity against HSV-1 and HSV-2. Adenosine monophosphate is a key cellular metabolite regulating energy homeostasis and signal transduction.

L-Arginine (Standard) is the analytical standard of L-Arginine. This product is intended for research and analytical applications. L-Arginine ((S)-(+)-Arginine) is the substrate for the endothelial nitric oxide synthase (eNOS) to generate NO. L-Arginine is transported into vascular smooth muscle cells by the cationic amino acid transporter family of proteins where it is metabolized to nitric oxide (NO), polyamines, or L-proline. L-Arginine is a potent vasodilator, and can be used to induce experimental acute pancreatitis.

L-Citrulline (Standard) is the analytical standard of L-Citrulline. This product is intended for research and analytical applications. L-Citrulline is an amino acid derived from ornithine in the catabolism of proline or glutamine and glutamate, or from l-arginine via arginine-citrulline pathway.

Rutin (Standard) is the analytical standard of Rutin. This product is intended for research and analytical applications. Rutin (Rutoside) is a flavonoid found in many plants and shows a wide range of biological activities including anti-inflammatory, antidiabetic, antioxidant, neuroprotective, nephroprotective, hepatoprotective and reducing Aβ oligomer activities. Rutin is also a CBR1 inhibitor, which can cross the blood brain barrier. Rutin attenuates vancomycin-induced renal tubular cell apoptosis via suppression of apoptosis, mitochondrial dysfunction, and oxidative stress.

Beta-Sitosterol (Standard) is the analytical standard of Beta-Sitosterol. This product is intended for research and analytical applications. Beta-Sitosterol (purity≥80%) is orally active. Beta-Sitosterol exhibits multiple activities, including anti-inflammatory, anticancer, antioxidant, antimicrobial, antidiabetic, antioxidant enzyme, and analgesic. Beta-Sitosterol inhibits inflammation and impaired adipogenesis in bovine mammary epithelial cells by reducing levels of ROS, TNF-α, IL-1β, and NF-κB p65 and restoring the activity of the HIF-1α/mTOR signaling pathway. Beta-Sitosterol induces apoptosis in cancer cells through ROS-mediated mitochondrial dysregulation and p53 activation. Beta-Sitosterol exerts its anticancer effects in cancer cells by activating caspase-3, caspase-8, and caspase-9, mediating PARP inactivation, MMP loss, altered Bcl-2-Bax ratio, and cytochrome c release. Beta-Sitosterol modulates macrophage polarization and reduces rheumatoid inflammation in mice. Beta-Sitosterol inhibits tumor growth in multiple mouse cancer models. Beta-Sitosterol can be used in the research of arthritis, lung cancer, breast cancer and other cancers, diabetes, etc.