Pharmaceutical Standards

<p>Tyrosinase protein:<br>Peptide Tyrosinase (Asp371) – HLA-A*0201 (YMDGTMSQV) is a human tyrosinase-derived (369-377) peptide by posttranslational conversion of the sequence YMNGTMSQV. Tyrosinase is an oxidase membrane-bound protein. Tyrosinase play a key role in the melanin synthesis pathway. Tyrosinase is presented on the surface of HLA-A*02:01 melanomas and also expressed in melanocytes. Tyrosinase has been still suggested to be a tumor antigen and might be implicated in improvement of immunotherapeutic strategies such as for efficient anticancer vaccine development.<br>Applications of Peptide Tyrosinase (Asp371) – HLA-A*0201 (YMDGTMSQV):<br>Peptide Tyrosinase (Asp371) – HLA-A*0201 (YMDGTMSQV) is used to stimulate specific cytotoxic T lymphocytes (CTL) in PBMCs and then to analyze CTL response especially the cytokine production by ELISPOT assay. Peptide Tyrosinase (Asp371) – HLA-A*0201 (YMDGTMSQV) is also involved in experimental therapies of metastatic melanoma by allogeneic hematopoietic stem cell transplantation. In fact, cytotoxic T cells were generated from peripherical blood mononuclear cells (PBMCs) of HLA-A*02:01 healthy donors after being stimulated by injection of Asp371 antigen (2). This strategy raises issues which concern the graft versus tumor (GvT) effect and graft versus host disease (GvHD).</p>

Inhibitor of cathepsin

<p>4-Fluoro-3-nitropyridine is a reactive chemical that can react with alcohols, amines, and amino acids. It has been shown to have absorption spectra in the ultraviolet region of the light spectrum. 4-Fluoro-3-nitropyridine is also a pyridine derivative.</p>

Pregnantriol is a naturally occurring steroid hormone that is produced in the placenta and the adrenal glands. Pregnantriol has been shown to be a potent inducer of liver cells, which may be due to its ability to bind to enzymes that are involved in lipid metabolism. This compound has also been shown to have diagnostic properties and is used as a diagnostic agent for adrenocortical carcinoma, urinary tract infections, metabolic disorders, and acid formation. Pregnantriol can be detected using fluorescence detection.

Please enquire for more information about 1-(2-Naphthylsulfonyl)piperidine-4-carboxylic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page

<p>Please enquire for more information about Diacetato[(R)-(+)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl]ruthenium(II) including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

(+)-B-Chlorodiisopinocampheylborane is a chiral organoboron reagent that can be used for the enantioselective synthesis of amines. It is prepared from the reaction of chlorodiphenyl borane with (+)-diaminobenzene in hexane. The product can be purified by column chromatography or recrystallization. (+)-B-Chlorodiisopinocampheylborane can also be used in the synthesis of other compounds, such as pyrroles and pantolactones. It is an excellent catalyst for the dehydration of primary amines to give unsymmetrical ketones. This reagent has been shown to be effective in asymmetric hydrogenation reactions, such as the reduction of chiral secondary alcohols, and is also capable of catalyzing aldol reactions.

<p>Please enquire for more information about Tadalafil impurity B including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

Fluorescein-sp-biotin is a biotinylated derivative of fluorescein. The conjugate is used to measure the amount of free d-biotin in samples. Fluorescein-sp-biotin binds to streptavidin, which has a high affinity for biotin, and then emits light at an excitation wavelength of 488 nm when excited with a laser. The intensity of the emitted light is proportional to the concentration of free d-biotin in the sample. The following product descriptions have been generated from this information: Rifapentine Rifapentine is an anti-tuberculosis drug that belongs to the class of rifamycins. It is the most active of the rifamycins for the treatment of tuberculosis. Rifapentine inhibits bacterial growth by binding to DNA-dependent RNA polymerase, thereby preventing transcription and replication.

<p>Piperazine-2-carboxylic acid methyl ester (PPCM) is a chemical compound that is used as an intermediate in the production of ethylenediamine and piperazine-2-carboxylic acid dihydrochloride. It is a white crystalline solid that can be synthesized by reacting ethylene diamine with piperazine-2-carboxylic acid. PPCM has been shown to inhibit the growth of bacteria, yeast, and fungi by inhibiting protein synthesis. This chemical also inhibits the production of proteins essential for respiration and cell wall formation.</p>

<p>Cholesterol Heptanoate is a liquid crystal composition that is used to coat tablets. It is also used for the diagnosis of fatty acid metabolism and atherosclerotic lesion formation by measuring the fatty acid composition of body tissues. Cholesterol Heptanoate can be used to form polymeric matrices for use in drug delivery systems. These matrices are composed of ionizable, film-forming polymers with excipients that have phase transition temperatures near 37°C.</p>

Ilexsaponin B2 is a triterpenoid saponin, which is a bioactive compound extracted from plants in the Ilex genus, such as Ilex pubescens. These saponins are characterized by their glycosidic linkages to sapogenins, typically influencing membrane permeability and exhibiting diverse biological activities.

Please enquire for more information about DL-Aspartic acid dimethyl ester hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page

Please enquire for more information about (R)-1,2,3,4-Tetrahydro-5-methoxy-N-propyl-2-naphthalenamine hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page

<p>Tetrahydro-1-naphthoic acid is a toxic chemical that is used in the synthesis of various organic compounds. It is an organic acid that has a pungent odor and can cause irritation of the nose and throat. When heated, it evolves toxic fumes of hydrogen chloride gas and phosgene. Tetrahydro-1-naphthoic acid reacts with metal hydroxides to form metal tetrahydro-1-naphthoates, which have useful properties as catalysts in organic reactions. Tetrahydro-1-naphthoic acid has been used as a growth regulator in plants and animals. It binds to DNA at the C–H site, preventing protein synthesis and cell division by inhibiting RNA synthesis.</p>

<p>24(S)-Hydroxycholesterol is a cholesterol metabolite that is synthesized by the liver and can be found in human serum. It has been shown to be an important inducer of transcriptional regulation, as it regulates the expression of genes involved in lipid metabolism and inflammatory response. 24(S)-Hydoxycholesterol is also an activator of the peroxisome proliferator-activated receptor (PPAR) and may cause hepatic steatosis. This molecule has potent activity in inducing polymerase chain reaction (PCR) and protein synthesis in neuronal cells, leading to neuronal death. The molecule also induces apoptosis by caspase-independent cell death, which is mediated by mitochondrial membrane potential. 24(S)-Hydoxycholesterol may serve as a biomarker for nonsteroidal anti-inflammatory drugs (NSAIDs), with low potency against these drugs.br&gt;</p>

<p>Tropinone is a polycyclic aromatic hydrocarbon that is found in plant cells. Tropinone exhibits enzyme activities, such as catalase and peroxidase activity, which are important for plant physiology. Tropinone has also been shown to have anti-cancer properties. Platinum-based chemotherapy drugs bind to the tropinone molecule, which inhibits the enzymes that allow cancer cells to grow and multiply. The specific antibody binds to the tropinone molecule by recognizing a carbohydrate group on the molecule's surface, while hydroxyl groups on the tropinones react with trifluoromethanesulfonic acid in water to form ester hydrochloride. This reaction is dependent on pH level and optimum ph is around 7-9.</p>

<p>Please enquire for more information about 5,6,7,8-Tetrahydronaphthalene-1-carbaldehyde including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid, sodium salt (AITC-S) is a stilbene derivative with inhibitory properties. It has been shown to inhibit the uptake of camp in rat ventricular myocytes and caco-2 cells as well as the release of camp from rat renal proximal tubules. AITC-S also inhibits the transport of camp into the cells. The mechanism by which AITC-S inhibits uptake is not yet known, but it may be due to competition for a common carrier or an effect on intracellular metabolism. This compound has also been shown to have an acute ischemic protective effect on rats when administered before reperfusion following coronary artery occlusion.

2,2'-Dichlorodiethyl ether (2,2-DDE) is a cationic surfactant that is used in the production of fluorocarbons and other chemicals. It is also used in wastewater treatment as an oxidizing agent. 2,2'-DDE is toxic to humans, with a blood group toxicity profile similar to that of ethylene glycol and diethylene glycol. 2,2'-DDE can be found in the environment due to its use as a component in products and its presence in wastewaters. 2,2'-DDE has been shown to be reactive with hydrogen fluoride and oxidation catalyst, which may cause interactive effects when it is present at high concentrations. This chemical has been shown to induce cell death through histological analysis on cell cultures. Reaction mechanism for this chemical is not known.