Pharmaceutical Standards

Wilforlide A is a novel anticancer drug that inhibits the growth of cancer cells by inhibiting amino transferase and blocking the synthesis of DNA. Wilforlide A has synergistic effects when used in combination with tripterygium wilfordii, a Chinese herb, and moronic acid, an extract from Tripterygium wilfordii. Wilforlide A also has anti-inflammatory properties and can be used to treat autoimmune diseases. The efficacy of Wilforlide A was evaluated using surface methodology on human skin squamous carcinoma samples. It was found that Wilforlide A had no cytotoxicity when applied to these cells. In addition, it inhibited tumor growth in mice inoculated with human squamous carcinoma cells. These findings show that Wilforlide A is a potential candidate for treating squamous carcinoma patients.

Fmoc-3-chloro-L-tyrosine is a fine chemical that belongs to the class of versatile building blocks. It is a reagent and speciality chemical that is used in the synthesis of complex compounds. Fmoc-3-chloro-L-tyrosine can be used as a useful scaffold to produce high quality and versatile building blocks, which are useful for research purposes. Fmoc-3-chloro-L-tyrosine has CAS No. 478183-58-3, which shows its high quality and usefulness.

Vitamin D2 is a fat-soluble vitamin that is required for the absorption of calcium and phosphate. It can be obtained through dietary supplements or by exposure to sunlight. Vitamin D2 is a prohormone that needs to undergo two hydroxylation reactions in the liver and kidney before it becomes the active form, calcitriol. Vitamin D2 has been shown to have beneficial effects on bone mineralization and phosphatase activity, as well as an inhibitory effect on the production of parathyroid hormone. Hydroxyapatite, a component of bone tissue, has been shown to react with vitamin D2 in vitro, which may be due to its ability to act as an additive or stabilizer.END>>

2,4,5-Trimethylacetophenone is a versatile building block used in the synthesis of complex compounds and research chemicals. It is a high quality chemical that can be used as a reagent or speciality chemical. 2,4,5-Trimethylacetophenone is also an intermediate for the synthesis of other useful compounds. This compound can be used as a reaction component to synthesize various types of scaffolds.

2-Hydroxy-6-methoxyacetophenone is a chalcone that belongs to the group of flavonoids. It has been shown to have anticancer properties, inhibiting the growth of colorectal carcinoma cells in a dose-dependent manner. The mechanism of action for 2-hydroxy-6-methoxyacetophenone is not fully understood, but it may be due to its ability to inhibit the enzyme demethylase and induce apoptosis. This compound also has been shown to inhibit the growth of Escherichia coli and Salmonella typhimurium when used at high concentrations. 2-Hydroxy-6-methoxyacetophenone can be synthesized by reacting ethyl acetoacetate with two equivalents of methylamine in the presence of a base such as sodium methoxide or potassium hydroxide.
2-Hydroxy-6-methoxyacetophenone has also been shown to inhibit

2',3',6'-Trimethyl)acetophenone is an organic compound with the formula (CH3)2C=C(O)CH=CH2. It is a colorless liquid that is soluble in organic solvents. Its main use is as a precursor to carotenoids, such as astaxanthin and canthaxanthin. The compound has been used in the synthesis of phosphonium salts and related compounds. It has also been used as an intermediate in the preparation of chiral all-trans-retinal from cis-retinal.

4-Nitrophenylacetone is a hypoglycemic agent that is used for the treatment of diabetes mellitus. It has been shown to be effective in vivo and in vitro studies at low concentrations. The mechanism of action is not well understood, but it may have effects on insulin sensitivity and the release of insulin from pancreatic beta cells, as well as an effect on the liver. 4-Nitrophenylacetone has been shown to have organocatalytic properties that allow it to catalyze acylation reactions with acetanilides or amides. This reaction produces iminium ion intermediates that can be hydrolyzed by water to form a variety of products, including carboxylic acids, amides, and nitriles.

Amyloid dye; membrane potential reporter

Riboflavin 5'-phosphate sodium (RB5P) is a form of riboflavin that is used as a co-substrate for the synthesis of other riboflavin-containing compounds. RB5P is an important component in biochemical research, wastewater treatment, and neurodegenerative diseases. The monosodium salt has been shown to be a useful model system for studying the biochemical properties of riboflavin. In vitro studies have shown that RB5P can be used to measure the transfer reactions between nucleotide diphosphates, such as ATP and GTP. RB5P has been used to study the structural analysis and thermodynamic data of dinucleotide phosphate.

Fmoc-L-homotyrosine is a tyrosine kinase inhibitor. Tyrosine kinases are enzymes that catalyze the transfer of phosphate groups from ATP to tyrosine residues in proteins, which play a role in many cellular processes. Fmoc-L-homotyrosine binds to the ATP binding site in the active site of these enzymes, preventing phosphorylation and thus preventing protein function. This compound has been shown to inhibit neurotensin receptors in vitro and has also been shown to be an endogenous ligand for this receptor. Fmoc-L-homotyrosine binds to allosteric sites on the neurotensin receptor, causing conformational changes that activate transduction pathways and increase signaling. The mechanism of inhibition is not yet fully understood but is thought to be due to steric hindrance or allosteric binding.

(+)-Biotin-(PEO)3-amine is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. (+)-Biotin-(PEO)3-amine is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.

3,5,3',5'-Tetraiodothyroacetic acid (T4) is a thyroid hormone that can be found in the blood and has been shown to have angiogenic properties. T4 has been shown to bind to integrin receptors on endothelial cells and stimulate the proliferation of these cells. This hormone also has pro-apoptotic activity, inducing programmed cell death in cancer cells. T4 is used as a model system for studying the molecular pathogenesis of thyroid cancer. T4 is also able to inhibit DNA polymerase activity, which may be responsible for its ability to inhibit tumor growth.

Stability Moisture Sensitive
Applications alpha-Pinene oxide (cas# 1686-14-2) is a useful research chemical.

Applications 4-(Benzyl(methyl)amino)benzoic Acid is an intermediate of α,α-Bis[4-(dimethylamino)phenyl]-4-(methylamino)-benzenemethanol which is a product from degradation of methyl green.
References Chen, C., et al.: Environ. Sci. Technol., 41, 4389 (2007)

Applications Bis[2-(2-mercaptobenzoyl)hydrazide] 2,2'-Dithiobis-benzoic Acid is an intermediate used in the synthesis of N,N’-Bis(2-mercaptobenzoyl)hydrazide (B481825), which is a selective inhibitor of HIV-1 integrase. Has no other effect on other retroviral targets, including reverse transcriptase, protease, and virus attachement, and exhibits no detectable activity against human topoisomerases I and II at concentrations that effectively inhibit integrase.
References Neamati, N., et al.: J. Med. Chem., 45, 5661 (2003)

Applications 5-Oxo-5-phenylvaleric Acid is used in various synthetic preparations. It is used in the synthesis of fulleroid and methanofullerene derivatives. Also used in tertiary amino urea-catalyzed enantioselective iodolactonization.
References Hummelen, J., et al.: J. Org. Chem., 60, 532 (1995); Veitch, G., Jacobsen, E.: Angew. Chem. Int. Ed., 49, 7332 (2010);