Drug Testing Standards

Nicotinamide (Standard) is the analytical standard of Nicotinamide. This product is intended for research and analytical applications. Nicotinamide is a form of vitamin B3 or niacin. Nicotinamide Hydrochloride inhibits SIRT2 activity (IC₅₀: 2 μM). Nicotinamide also inhibits SIRT1. Nicotinamide increases cellular NAD₊, ATP, ROS levels. Nicotinamide inhibits tumor growth and improves survival. Nicotinamide also has anti-HBV activity.

L-Leucine (Standard) is the analytical standard of L-Leucine. This product is intended for research and analytical applications. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway.

Acetylcholine (chloride) (Standard) is the analytical standard of Acetylcholine (chloride). This product is intended for research and analytical applications. Acetylcholine chloride (ACh chloride), a neurotransmitter, is a potent and BBB-permeable cholinergic agonist. Acetylcholine chloride is a modulator of the activity of dopaminergic (DAergic) neurons through the stimulation of nicotinic acetylcholine receptors (nAChRs). Acetylcholine chloride inhibits p53 mutant peptide aggregation in vitro.

Succinic acid (Standard) is the analytical standard of Succinic acid. This product is intended for research and analytical applications. Succinic acid is an anti-anxiety agent with oral activity. Disodium succinate is the salt form of Succinic acid. Succinic acid is an intermediate product of the tricarboxylic acid cycle. Succinic acid is an important platform chemical. Succinic acid can be used as surfactant, additive, ion chelating agent, flavoring agent and other applications in chemical, pharmaceutical and food fields.

Spermidine (Standard) is the analytical standard of Spermidine. This product is intended for research and analytical applications. Spermidine maintains cell membrane stability, increases antioxidant enzymes activities, improving photosystem II (PSII), and relevant gene expression. Spermidine significantly decreases the H2O2 and O2.- contents.

Fisetin (Standard) is the analytical standard of Fisetin. This product is intended for research and analytical applications. Fisetin is a natural flavonol found in many fruits and vegetables with various benefits, such as antioxidant, anticancer, neuroprotection effects.

Genistein (Standard) is the analytical standard of Genistein. This product is intended for research and analytical applications. Genistein, a soy isoflavone, is a multiple tyrosine kinases (e.g., EGFR) inhibitor which acts as a chemotherapeutic agent against different types of cancer, mainly by altering apoptosis, the cell cycle, and angiogenesis and inhibiting metastasis.

L-Proline (Standard) is the analytical standard of L-Proline. This product is intended for research and analytical applications. L-Proline is one of the twenty amino acids used in living organisms as the building blocks of proteins.

Cyclosporin A (Standard) (Cyclosporine A (Standard)) is the analytical standard of Cyclosporin A (HY-B0579). This product is intended for research and analytical applications. Cyclosporin A (Cyclosporine A) is an immunosuppressant which binds to the cyclophilin and inhibits phosphatase activity of protein phosphatase 2B (PP2B/calcineurin) with an IC₅₀ of 5 nM. Cyclosporin A is a molecular glue, binds to cyclophilin and calcineurin, leading to inactivation of nuclear Factor of activated T Cells (NFAT) and a subsequent decrease in the immune response. Cyclosporin A also inhibits CD11a/CD18 adhesion.

Pyruvic acid (Standard) is the analytical standard of Pyruvic acid. This product is intended for research and analytical applications. Pyruvic acid is an intermediate metabolite in the metabolism of carbohydrates, proteins, and fats.

Citric acid (Standard) is the analytical standard of Citric acid (HY-N1428). This product is intended for research and analytical applications. Citric acid is a natural preservative and food tartness enhancer. Citric acid induces apoptosis and cell cycle arrest at G2/M phase and S phase in HaCaT cells. Citric acid cause oxidative damage of the liver by means of the decrease of antioxidative enzyme activities. Citric acid is also an acidulant, emulsifier, sequestrant and buffering agent widely used across many industries.

L-Tyrosine (Standard) is the analytical standard of L-Tyrosine. This product is intended for research and analytical applications. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

Lidocaine (Standard) is the analytical standard of Lidocaine. This product is intended for research and analytical applications. Lidocaine (Lignocaine) inhibits sodium channels involving complex voltage and using dependence. Lidocaine decreases growth, migration and invasion of gastric carcinoma cells via up-regulating miR-145 expression and further inactivation of MEK/ERK and NF-κB signaling pathways. Lidocaine is an amide derivative and has potential for the research of ventricular arrhythmia.

Osimertinib (Standard) is the analytical standard of Osimertinib. This product is intended for research and analytical applications. Osimertinib (AZD9291) is a covalent, orally active, irreversible, and mutant-selective EGFR inhibitor with an apparent IC₅₀ of 12 nM against L858R and 1 nM against L858R/T790M, respectively. Osimertinib overcomes T790M-mediated resistance to EGFR inhibitors in lung cancer.

Oxaliplatin (Standard) is the analytical standard of Oxaliplatin. This product is intended for research and analytical applications. Oxaliplatin is a DNA synthesis inhibitor. Oxaliplatin causes DNA crosslinking damage, prevents DNA replication and transcription and induces apoptosis. Oxaliplatin can be used for cancer research.

Gemcitabine (Standard) is the analytical standard of Gemcitabine. This product is intended for research and analytical applications. Gemcitabine (LY 188011) is a pyrimidine nucleoside analog antimetabolite and an antineoplastic agent. Gemcitabine inhibits DNA synthesis and repair, resulting in autophagyand apoptosis.

D-Mannitol (Standard) is the analytical standard of D-Mannitol (HY-N0378). This product is intended for research and analytical applications. D-Mannitol (Mannitol) is an oral, resistant sugar widely used in the food and pharmaceutical industries to promote the absorption and retention of calcium and magnesium through cecal fermentation, while acting as a osmotic diuretic to reduce tissue edema. D-Mannitol can enhance brown fat formation, improve insulin effect, reduce blood sugar levels, And through the start the β₃-adrenergic receptor (β₃-AR), PGC1α and PKA induced by means of white fat cells into brown fat cells. D-Mannitol is commonly used to maintain osmotic pressure between the plant cytoplasm and the culture medium and protect cells when the cell wall is weakened or even removed.

Acetaminophen (Standard) is the analytical standard of Acetaminophen. This product is intended for research and analytical applications. Acetaminophen (Paracetamol) is a selective cyclooxygenase-2 (COX-2) inhibitor with an IC₅₀ of 25.8 μM; is a widely used antipyretic and analgesic agent. Acetaminophen is a potent hepatic N-acetyltransferase 2 (NAT2) inhibitor.

Folic acid (Standard) is the analytical standard of Folic acid. This product is intended for research and analytical applications. Folic acid (Vitamin B9) is a orally active essential nutrient from the B complex group of vitamins. Folic acid shows antidepressant-like effect. Folic acid sodium reduces the risk of neonatal neural tube defects. Folic acid can be used to the research of megaloblastic and macrocytic anemias due to folic deficiency.

L-Serine (Standard) is the analytical standard of L-Serine. This product is intended for research and analytical applications. L-Serine ((-)-Serine; (S)-Serine), one of the so-called non-essential amino acids, plays a central role in cellular proliferation.