Drug Testing Standards

Oxaloacetic acid (Standard) is the analytical standard of Oxaloacetic acid. This product is intended for research and analytical applications. Oxaloacetic acid (2-Oxosuccinic acid) is a metabolic intermediate involved in several ways, such as citric acid cycle, gluconeogenesis, the urea cycle, the glyoxylate cycle, amino acid synthesis, and fatty acid synthesis, whereby Oxaloacetic acid facilitates the clearance of reactive oxygen species (ROS) and improves mitochondrial function.

i-Inositol (Standard) is the analytical standard of i-Inositol. This product is intended for research and analytical applications. i-Inositol (myo-Inositol) is a compound of sugar alcohols. i-Inositol is involved in a series of biological processes such as insulin signal transduction and cytoskeletal transduction. i-Inositol mainly exists in glial cells and plays an osmotic role.

Venetoclax (Standard) is the analytical standard of Venetoclax. This product is intended for research and analytical applications. Venetoclax (ABT-199; GDC-0199) is a highly potent, selective and orally bioavailable Bcl-2 inhibitor with a K_i of less than 0.01 nM. Venetoclax induces autophagy.

Lovastatin (Standard) is the analytical standard of Lovastatin. This product is intended for research and analytical applications. Lovastatin is a cell-permeable HMG-CoA reductase inhibitor used to lower cholesterol.

Cholic acid (Standard) is the analytical standard of Cholic acid. This product is intended for research and analytical applications. Cholic acid is a major primary bile acid produced in the liver and usually conjugated with glycine or taurine. It facilitates fat absorption and cholesterol excretion. Cholic acid is orally active.

Inosine (Standard) is the analytical standard of Inosine. This product is intended for research and analytical applications. Inosine is an endogenous purine nucleoside produced by catabolism of adenosine. Inosine has anti-inflammatory, antinociceptive, immunomodulatory and neuroprotective effects. Inosine is an agonist for adenosine A₁ (A₁R) and A_2A (A_2AR) receptors. In Vitro:Inosine dose-dependently stimulates cAMP production mediated through the A_2AR.
Inosine dose-dependently induces hA_2AR-mediated ERK1/2 phosphorylation.
Inosine (100 μM; 24 hours) reduces oxidative stress in MES 23.5 cells cultured with astrocytes.
In Vivo:Inosine (10-100 mg/kg; i.p.) exhibits antinociceptive effect in mice.

Lactic acid (Standard) (DL-Lactic acid (Standard)) is the analytical standard of Lactic acid (HY-B2227). This product is intended for research and analytical applications. Lactic acid (DL-Lactic acid) is a hydroxycarboxylic acid receptor 1 (HCAR1) activator and an epigenetic modulator inducing lysine residues lactylation. Lactic acid is a glycolysis end-product, bridging the gap between glycolysis and oxidative phosphorylation. Lactic acid is an oncometabolite and has immune protective role of lactate in anti-tumor immunity. Lactic acid also has antimicrobial activity, which can be used as a food preservative.

Probenecid (Standard) is the analytical standard of Probenecid. This product is intended for research and analytical applications. Probenecid is a potent and selective agonist of transient receptor potential vanilloid 2 (TRPV2) channels. Probenecid also inhibits pannexin 1 channels.

Tolbutamide (Standard) is the analytical standard of Tolbutamide. This product is intended for research and analytical applications. Tolbutamide is an orally active K_ATP inhibitor. Tolbutamide inhibits cell proliferation, stimulates exocytosis of glucagon and reduces fetal lethality of mice. Tolbutamide can be used in the research of diabete.

Chloramphenicol (Standard) is the analytical standard of Chloramphenicol. This product is intended for research and analytical applications. Chloramphenicol is an orally active, potent and broad-spectrum antibiotic. Chloramphenicol shows antibacterial activity. Chloramphenicol represses the oxygen-labile transcription factor and hypoxia inducible factor-1 alpha (HIF-1α) in hypoxic A549 and H1299 cells. Chloramphenicol suppresses the mRNA levels of vascular endothelial growth factor (VEGF) and glucose transporter 1, eventually decreasing VEGF release. Chloramphenicol can be used for anaerobic infections and lung cancer research.

Rosiglitazone (Standard) is the analytical standard of Rosiglitazone. This product is intended for research and analytical applications. Rosiglitazone (BRL 49653) is an orally active selective PPARγ agonist (EC₅₀: 60 nM, K_d: 40 nM). Rosiglitazone is an TRPC5 activator (EC₅₀: 30 μM) and TRPM3 inhibitor. Rosiglitazone can be used in the research of obesity and diabetes, senescence, ovarian cancer.

Palbociclib (Standard) is the analytical standard of Palbociclib. This product is intended for research and analytical applications. Palbociclib (PD 0332991) is an orally active selective CDK4 and CDK6 inhibitor with IC₅₀ values of 11 and 16 nM, respectively. Palbociclib has potent anti-proliferative activity and induces cell cycle arrest in cancer cells, which can be used in the research of HR-positive and HER2-negative breast cancer and hepatocellular carcinoma.

Uridine 5'-monophosphate (Standard) is the analytical standard of Uridine 5'-monophosphate. This product is intended for research and analytical applications. Uridine 5'-monophosphate (5'-Uridylic acid) is an orally active mitochondrial ATP-dependent potassium channel activator that has a protective effect on the heart. Uridine 5'-monophosphate can promote the synthesis of CDP-choline and induce apoptosis in intestinal epithelial cells, which is beneficial for gut development and reduces diarrhea.

Daidzein (Standard) is the analytical standard of Daidzein. This product is intended for research and analytical applications. Daidzein is a soy isoflavone, which acts as a PPAR activator.

Deferoxamine (mesylate) (Standard) is the analytical standard of Deferoxamine (mesylate). This product is intended for research and analytical applications. Deferoxamine mesylate (Deferoxamine B mesylate) is an iron chelator (binds to Fe(III) and many other metal cations), is widely used to reduce iron accumulation and deposition in tissues. Deferoxamine mesylate upregulates HIF-1α levels with good antioxidant activity. Deferoxamine mesylate also shows anti-proliferative activity, can induce apoptosis and autophagy in cancer cells. Deferoxamine mesylate can be used in studies of diabetes, neurodegenerative diseases as well as anti-cancer and anti-COVID-19.

Rifampicin (Standard) is the analytical standard of Rifampicin. This product is intended for research and analytical applications. Rifampicin is a potent and broad spectrum antibiotic against bacterial pathogens. Rifampicin has anti-influenza virus activities. Rifampicin shows anti-orthopoxvirus activity.

Minocycline (hydrochloride) (Standard) is the analytical standard of Minocycline (hydrochloride). This product is intended for research and analytical applications. Minocycline hydrochloride is an orally active, potent and BBB-penetrated semi-synthetic tetracycline antibiotic. Minocycline hydrochloride is a hypoxia-inducible factor (HIF)-1α inhibitor. Minocycline hydrochloride shows anti-cancer, anti-inflammatory, and glutamate antagonist effects. Minocycline hydrochloride reduces glutamate neurotransmission and shows neuroprotective properties and antidepressant effects. Minocycline hydrochloride inhibits bacterial protein synthesis through binding with the 30S subunit of the bacterial ribosome, resulting in a bacteriostatic effect.

4-Methylumbelliferone (Standard) is the analytical standard of 4-Methylumbelliferone. This product is intended for research and analytical applications. 4-Methylumbelliferone is a hyaluronic acid biosynthesis inhibitor with antitumoral and antimetastatic effects.

Ampicillin (Standard) is the analytical standard of Ampicillin. This product is intended for research and analytical applications. Ampicillin is a broad-spectrum beta-lactam antibiotic against a variety of gram-positive and gram-negative bacteria.

Creatinine (Standard) is the analytical standard of Creatinine. This product is intended for research and analytical applications. Creatinine (NSC13123) is an orally active, blood-brain barrier-permeable modulator of GABAA and NMDA receptors, with activities of antioxidation and metabolic regulation. Creatinine is generated via non-enzymatic conversion of creatine and phosphocreatine in muscle. Creatinine serum levels correlate with muscle mass, glomerular filtration rate, and extrarenal clearance, serving as an evaluation biomarker for renal function, muscle mass, and clinical outcomes, and used for perioperative renal risk assessment. In addition, Creatinine can induce specific Cryptococcus species to produce creatinine deiminase and act as their nitrogen source, while it can be secreted via renal tubules. Creatinine is widely used in research related to various diseases such as neurodegenerative diseases, psychiatric disorders, acute kidney injury, chronic kidney disease, and renal failure.