Pharmaceutical Standards

<p>N-Methyl-O-methyl-L-tyrosine hydrochloride (NMT) is an organic compound that is synthesized from D-alanine. It has been shown to inhibit the production of didemnin, a protein that regulates the cell cycle, in mcf-7 cells. NMT has also been shown to stop the growth of human breast cancer cells and increase the lifespan of mice with cancerous tumors. NMT is a macrocyclic molecule, which means it has a ring structure made up of at least six atoms. The conformation of this molecule may be cyclic or linear.</p>

<p>Please enquire for more information about (3a,5a,17a)-19-Norpregnane-3,17-diol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Diphenylsulfone-3,3'-disulfonic Acid Disodium Salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about 4-Aminobicyclo[2.2.2]octane-1-carboxylic acid methyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Rotigotine is a substance that belongs to the class of active compounds. It has been shown to have optical activity, but this property is not well understood. Rotigotine is a racemic mixture with two enantiomers, which are mirror images of each other. The optical rotation of rac-5,6,7,8-tetrahydro-6-(propylamino)-1-naphthalenol is given as +28°. This property can be determined by measuring the angle of rotation when light passes through the substance in solution in contact with a polarizer and analyzer.</p>

<p>2,4,6-Trichloro-5-nitropyrimidine is a purine derivative that inhibits the cell proliferation of cancer cells. It has been shown to inhibit the activity of kinases and to induce apoptosis in human cancer cells in vitro. This drug also has antiproliferative potential against erythrocytes and is being investigated as a treatment for renal disease. 2,4,6-Trichloro-5-nitropyrimidine shows inhibitory effects on the phosphorylation of roscovitine by ATP and may be used to treat patients with glomerulonephritis. 2,4,6-Trichloro-5-nitropyrimidine can be synthesized from 2,4,6-trichloropyrimidinethiol and nitric acid according to the following equation: CClNO + HNO → CClNOH + NO 2 Cl + 3 HNO</p>

<p>Isomethadone hydrochloride is the drug substance in a solid oral dosage form. It is an active substance that can be used to treat inflammatory diseases and target tissue. Isomethadone hydrochloride is a type of natural polymer with a metal ion as its active ingredient. The absorption mechanism for this drug is not known, but it appears to work by causing dysfunction in the membranes of cells. Isomethadone hydrochloride has been shown to cause addiction in animals and humans, and may have potential toxic effects on liver function. Symptoms of Isomethadone hydrochloride overdose include: <br>-Nausea and vomiting<br>-Constipation<br>-Loss of appetite<br>-Headache<br>-Drowsiness <br>-Confusion <br>-Muscle spasms <br>-Tremors and seizures</p>

<p>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>

<p>Oxymorphone is a potent synthetic opioid analgesic with a short duration of action. It is a prodrug that has to be metabolized in the liver by cytochrome P450 enzymes for activation. The 6-hydroxy metabolite is more potent than oxymorphone itself and has been shown to have antinociceptive properties in mice. Oxymorphone is used in cancer patients as an oral dosage form, which may be administered with or without food. It has been shown that the albumin concentration influences the pharmacokinetics of oxymorphone and its metabolites. This drug also has immunomodulatory effects and can cause adverse events such as hypersensitivity reactions, nausea, vomiting, or constipation.</p>

<p>S-Ethylisothio urea, hydrobromide is a nitric oxide (NO) synthase inhibitor that prevents the conversion of arginine to NO. It has been shown to inhibit protein synthesis in cells, which may be due to its ability to inhibit guanylate cyclase and intracellular calcium concentrations. S-Ethylisothio urea, hydrobromide has been used in experimental models as an anti-inflammatory drug for the treatment of autoimmune diseases like rheumatoid arthritis. This compound also blocks the production of NO by inhibiting the oxygen transport system in the lungs, which is required for redox potential. S-Ethylisothio urea, hydrobromide is a cyclase inhibitor that prevents the conversion of dehydroascorbic acid to ascorbic acid. It can be used as an antioxidant by scavenging reactive oxygen species and preventing oxidative damage.</p>

<p>2,2'-Methylenebis(6-tert-butyl-p-cresol) is a phenolic compound that is used as a chemical stabilizer in the production of polyvinyl chloride and polystyrene. It has also been shown to be an effective antioxidant for polypropylene. 2,2'-Methylenebis(6-tert-butyl-p-cresol) has been shown to inhibit skin cancer, bladder cancer, and hemolytic activity in vitro. This product can cause mild skin irritation, but it does not appear to be toxic when ingested orally or applied topically.</p>

<p>(-)-B-Chlorodiisopinocampheylborane is a carbonyl group that can be used for asymmetric synthesis. It was synthesized from the reaction of chlorodiisopinocampheylborane with butyllithium and allyl bromide, followed by aqueous workup. The enantiomers were separated through thin layer chromatography on silica gel plates with hexane as the eluent. The resolution of racemic latanoprost lactol was achieved in the same manner. (-)-B-Chlorodiisopinocampheylborane is also a diketone that can be prepared from para-chloroacetophenone and sodium hydroxide in ethanol. This diketone undergoes an intramolecular cyclization to produce noradrenaline (norepinephrine) and hydrochloric acid, which can then be converted into dioxolanes or other products.</p>

<p>N-Nitrososarcosine is a nonsteroidal anti-inflammatory drug (NSAID) that belongs to the group of ester hydrochloride. It inhibits the synthesis of prostaglandins, which are chemical mediators of inflammation and pain. N-Nitrososarcosine has been shown to be effective for the treatment of arthritis in animal models. In vitro studies have shown that this drug inhibits polymerase chain reaction and can be used for genotyping bacterial DNA. N-Nitrososarcosine has been found in urine samples from patients with autoimmune diseases, as well as in pharmaceutical preparations. The use of this drug as a model system for studying enzyme hydrolysis has also been studied.</p>

<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>

<p>Please enquire for more information about 7-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ylamine hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about (2-Chloro-4-nitrophenyl)methanol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about (-)-3-Methoxy butorphanol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>a,O-Dimethyl serotonin is a monoamine compound that is synthesized by the enzymatic decarboxylation of 5-hydroxytryptophan. It has been shown to increase dopamine levels and inhibit the enzyme activity of serotonin in mice. This drug also binds to 5-ht2 receptors and induces the release of serotonin from nerve cells. A linear calibration curve was obtained using bufotenin as a standard. This drug has been used in analytical toxicology for determining the uptake of serotonin into human lung tissue and its effect on 5-ht1a receptors. In addition, a study was conducted with perennial ryegrass to determine whether this drug inhibits plant toxin synthesis. The results showed that it did not have an inhibitory effect on plant toxins and may even promote their synthesis.</p>

<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>

<p>Please enquire for more information about 3',5'-Dibromo-2'-hydroxyacetophenone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>