Padrões Farmacêuticas

(aR)-a-[[[2-(4-Nitrophenyl)ethyl]amino]methyl]benzenemethanol is a chiral, carbonyl compound that has been used in the synthesis of mirabegron. It is synthesized by reacting an amide with a hydrochloric acid salt. The product yield of (aR)-a-[[[2-(4-Nitrophenyl)ethyl]amino]methyl]benzenemethanol is high and it does not react with aluminium or amide impurities. This compound can be used for the industrial synthesis of mirabegron, which is a drug for the treatment of urinary incontinence. The reduction reaction and hydrolysis reactions are both important to this process.

20a-Hydroxy cholesterol is a model system for studying the effects of hydroxylation on fatty acid metabolism. The addition of one hydroxyl group to the 20 carbon position in cholesterol leads to an analog, 20a-hydroxycholesterol. This compound has been shown to inhibit the enzyme activities of 3-hydroxyacyl coenzyme A dehydrogenase and acyl coenzyme A:cholesterol acyltransferase. The inhibition of these enzymes leads to decreased production of both prostaglandin E2 and leukotriene B4, which are pro-inflammatory mediators. 20a-Hydroxycholesterol has also been found to be effective in treating skin cancer and adrenocortical carcinoma by inhibiting lipid synthesis, thereby reducing cell proliferation rates.

Tyrosinase protein:
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.
Applications of Peptide Tyrosinase (Asp371) – HLA-A*0201 (YMDGTMSQV):
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).

4-Fluoro-3-nitrophenylacetonitrile is a monomer that can be synthesised from the reaction of carbamic acid and diphenyl ether. It is chiral, stereoselective and nucleophilic. 4-Fluoro-3-nitrophenylacetonitrile can also be synthesised by reacting fluoroacetamide with sodium cyanide in water, forming the corresponding amide, which reacts with acetonitrile to form the nitro compound. The anti-cancer properties of 4-fluoro-3 nitrophenylacetonitrile have been studied in vitro and in vivo. This substance has been shown to inhibit growth of cancer cells and induce apoptosis. In addition, this substance has been used as a synthetic strategy for dihydroisoquinolines, which are important for their anti-cancer properties.

1,2-Epoxy-3-(4-nitrophenoxy)propane is an epoxide that is a reactive intermediate that participates in a number of reactions, including the formation of disulfide bonds. It has been shown to have genotoxic effects and to be toxic to polymorphonuclear leucocytes. The compound can also inhibit detoxification enzymes, which may make it useful as a biomarker for environmental exposure to xenobiotics. 1,2-Epoxy-3-(4-nitrophenoxy)propane has also been shown to be a potential anti-cancer agent in gene therapy studies. This compound inhibits energy metabolism by inhibiting the enzyme glyceraldehyde 3 phosphate dehydrogenase (GAPDH).

Please enquire for more information about (3b,9b,10a)-3-Hydroxy-pregna-5,7-dien-20-one including the price, delivery time and more detailed product information at the technical inquiry form on this page

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.

Please enquire for more information about Haloperidol Impurity D including the price, delivery time and more detailed product information at the technical inquiry form on this page

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.

S-(+)-1-Aminotetrahydronaphthalene is an amido derivative that is the enantiomer of S-(-)-1-amino-N,N'-diphenylformamide. It has been shown to have anti-obesity effects in mice by increasing energy expenditure and reducing food intake. S-(+)-1-Aminotetrahydronaphthalene also inhibits the release of fatty acids from adipose tissue, which may be due to its ability to suppress lipolysis. The molecular mechanism for these effects is not yet known, but it is thought that the amide group on this compound interacts with certain protein surfaces and steric interactions are involved in its activity.

24,25-Dihydroxy vitamin D2 is a form of vitamin D that has been shown to be effective in the treatment of biliary cirrhosis and neonatal cirrhosis. It is synthesized from 25-hydroxyvitamin D3 by the enzyme 24-hydroxylase. The assay sensitivity for this compound is 10 ng/mL. This form of vitamin D has been shown to have an effect on serum bilirubin levels in patients with biliary cirrhosis. 24,25-Dihydroxy vitamin D2 can also be used to treat patients with chronic renal failure who are deficient in vitamin D3. The plasma concentration of 24,25-dihydroxyvitamin D2 is lower than that of 25-hydroxyvitamin D2 and 1,25-dihydroxyvitamin D2 because it is more rapidly metabolized by the liver.

2-(2-Sulfoethyl)pseudourea is a substance that is found in the body as an intermediate product of the urea cycle. It is also used as a protective agent for beet sugar and other food products. 2-(2-Sulfoethyl)pseudourea has been shown to be effective against malonic acid, tricine, and arginine. The reaction with malonic acid yields 2-sulfoethylmalonic acid, which can then be oxidized by tricine to yield 2-sulfoethylglyoxal. This substance also reacts with arginine to produce 2-sulfoethylaminoadipic semialdehyde.

b-Sitosterol is a sterol that is found in plants and animals. It has been shown to reduce the incidence of skin tumor formation when applied topically. b-Sitosterol also has hypoglycemic effects, which may be due to its ability to bind with p-hydroxybenzoic acid, an inhibitor of glucose absorption. This compound also has a matrix effect on the skin, which may be due to its ability to inhibit the production of collagenase, an enzyme involved in the breakdown of collagen. b-sitosterol also has antiinflammatory properties that have been shown using analytical methods such as metal chelate. Studies have shown that b-sitosterols are natural compounds that are found in high concentrations in beta-sitosterol.

Gabapentin related compound A is a gamma-aminobutyric acid analogue that has been shown to reduce diabetic neuropathy in vivo. It binds to the GABA-B receptor, which is a ligand-gated chloride channel. Gabapentin related compound A produces a rapid increase in chloride ion conductance and hyperpolarization of neurons, leading to its neuroprotective effect. The chemical stability of this drug has been investigated by hydrolysis with hydrochloric acid under various conditions. The reaction mechanism for gabapentin related compound A is similar to that of gabapentin, but it has an analog structure that confers additional stability.

5-Bromo-1H-indole-2-carboxylic acid methyl ester is a drug that belongs to the class of carboxylates. It has been shown to inhibit the growth of tumor cells in vitro and in vivo. The antitumor activity of this compound may be due to its ability to stabilize planar indole moieties, which are cytotoxic. 5-Bromo-1H-indole-2-carboxylic acid methyl ester interacts with other molecules through intermolecular interactions and can form an indole ring system that has a trifluoromethyl group and a carboxylate group in its structure.

Please enquire for more information about Pravastatin 1,1,3,3-tetramethylbutylamine including the price, delivery time and more detailed product information at the technical inquiry form on this page

3-Dehydro retinol is a carotenoid that is found in the skin. It is derived from retinol, and has been shown to have antioxidant properties. 3-Dehydro retinol can be isolated from the fungus Monascus purpureus by chromatographic methods. The enzyme activities of 3-dehydroretinol are not well understood, but it has been hypothesized that chronic exposure to this compound may lead to an increase in cell proliferation or an increase in cell differentiation. 3-Dehydro retinol has also been shown to inhibit the oxidation of other molecules such as hydrogen chloride.

Please enquire for more information about 4-(4-Nitrophenoxy)butanoic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page