Estándares farmacéuticos

<p>Applications 2,2'-Dinitrodibenzyl is an intermediate in the synthesis of Carbamazepine (C175840), an antiepileptic drug that is used to treat patients with trigeminal neuralgia and psychiatric disorders (such as depression and bipolar disorder).<br>References Greil, W.,et al.: J. Affect. Disord., 43, 151 (1997); Lerer, B., et al.: Spina, E., et al: Clin. Pharm., 31, 198 (1996)<br></p>

<p>Applications Tetrabromobisphenol A Allyl Ether is a brominated flame retardant.<br>References Riess, M., et al.: J. Chromat. A, 827, 65 (1998); Andersson, P., et al.: Environ. Toxicol. Chem., 25, 1275 (2006)<br></p>

<p>Applications Homogentisic Acid γ-Lactone (cas# 2688-48-4) is a compound useful in organic synthesis.<br></p>

<p>Applications 2-Bromo-4'-fluoroacetophenone-2',3',5',6'-d4 (CAS# 1219803-30-1) is a useful isotopically labeled research compound.<br></p>

<p>Applications Palmitoleic Acid is a polyunsaturated fatty acid which contributes to reduced protein oxidation in mammals.<br>References Mendez, L. et al.: Free Rad. Biol. Med., 55, 8 (2013);<br></p>

<p>Applications Labelled Dimethylaminopropyl chloride hydrochloride (D461800), used as a pharmaceutical intermediate for the synthesis of drugs, agricultural chemicals, photographic chemical and biochemical reagent. Displays mutagenic activity.<br>References Sanderson, D., et al.: Hum. Exp. Toxicol., 10, 261 (1991), Richard, A., et al.: Mutat. Res., 400, 493 (1998), McKinney, J., et al.: Toxicol. Sci., 56, 8 (2000),<br></p>

<p>Applications Benzyl-2,3,4,5,6-d5 trans-Cinnamate (CAS# 347840-02-2) is a useful isotopically labeled research compound.<br></p>

<p>Applications 2-[[[[1-(Methyl-d3)ethyl-1,2,2,2-d4]amino]sulfonyl]amino]-benzoic Acid Methyl Ester is an intermediate in the synthesis of Bentazon-d7 (B120583). Bentazon-d7 is deuterium labelled Bentazon (B120580), which is a herbicide.<br>References Ghirardello, D., et al.: Environ. Sci. Technol., 44, 9010 (2010); Frihauf, J., et al.: Weed Technol., 24, 262 (2010); Rotroff, D., et al.: Toxicol. Sci., 117, 348 (2010)<br></p>

<p>Applications 1-(4-Chlorophenyl)-3-[(2-nitrophenyl)methoxy]pyrazole is an intermediate for the synthesis of Pyraclostrobin-d6 (P840402). Isotope labelled Pyraclostrobin is a fungicide for use in seed grass and food crops.<br>References Gyldenkaerne, S., et al.: Pestic Sci., 55, 1210 (1999), Pennington, D., et al.: Environ. Sci. Technol., 39, 1119 (2005), Wang, S., et al.: Food Control., 18, 731 (2007),<br></p>

<p>Applications 2',3'-Di-O-(tert-butyldimethylsilyl)-2'-deoxycytidine is an intermediate for biosynthesis of cholyl-CoA and oligodeoxyribonucleotides.<br>References Takamura-Enya, T. et al.: Chem. Res. Toxicol., 18, 1715 (2005); Wada, T. et al.: J. Am. Chem. Soc., 119, 12710 (1997)<br></p>

<p>Applications 2-Bromo-4’-fluoroacetophenone is an intermediate in the synthetic preparation of competitive inhibitors of aromatase.<br>References Utsukihara, T., et al.: J. Molec. Cata. B: Enzymatics., 45, 68 (2007); Vinh, T.K., et al.: Bioorg. Med. Chem. Lett., 9, 2105 (1999);<br></p>

<p>Stability Hygroscopic<br>Applications 3,3',5-triiodo-β-hydroxy-D/L-thyronine is an impurity or analog of 3,3’,5-Triiodo-D-thyronine (T795375), which is a structural analogue of the thyroid hormone Thyroxine (T425600). 3,3’,5-Triiodo-D-thyronine has been shown to reduce cholesterol in blood serum.<br>References Mintz, D.O., et. al.: New Engl. J. Med., 266, 808 (1962)<br></p>

<p>Applications N-(1-Ethylpropyl)-N-methyl-β-alanine is a compound useful in organic synthesis.<br></p>

<p>Applications Fmoc-3-(2-naphthyl)-D-alanine is an intermediate used in the preparation of phosphoserine-containing tetrapeptides with hydrophobic N-terminal acyl groups as inhibitors of the BRCA1 protein.<br>References Yuan, Z., et al.: Med. Chem. Lett., 2, 767 (2011); Liu, T., et al.: ACS. Comb. Sci., 13, 537 (2011);<br></p>

<p>Applications (S)-2-(tert-Butoxycarbonylamino)-4-(3-methyl-3H-diazirin-3-yl)butanoic acid is a novel photo-cross linker for live-cell imaging.<br>References Pan, S., et al.: Angewandte Chemie Int. Ed., 56, 11816(2017)<br></p>

<p>Please enquire for more information about 3,4'-Dihexyl-2,2'-bithiophene 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'-Chloro-biphenyl-4-carboxylic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2-Oxovaleric acid is a monocarboxylic acid that is produced by the oxidation of 2-oxopentanoic acid. It was first discovered as an inhibitory compound for glutamate dehydrogenase, which catalyzes the conversion of glutamate to alpha-ketoglutarate. This inhibition leads to a buildup of glutamate in the cell, which can cause metabolic disorders. The importance of 2-oxovaleric acid was demonstrated using a chromatographic method on type strain cells. The electron microscopic images showed that 2-oxovaleric acid inhibited the growth of bacteria by binding to extracellular Ca2+, carbon source, and animals.</p>

<p>Please enquire for more information about Delta9,11-Dehydro-17b-estradiol 17-valerate 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 N-(1,2,3,4-Tetrahydro-7-methoxy-1-oxo-2-naphthalenyl)propanamide including the price, delivery time and more detailed product information at the technical inquiry form on this page</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>Please enquire for more information about 2-(Benzylmethylamino)-3',4'-dihydroxyacetophenone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3-Chloro-2-nitropyridine is a chemical compound that has been shown to have anticancer activity. It is a structural analog of the nucleophilic piperazine, which can react with hydrogen fluoride in an electrophilic substitution reaction to form 3-chloro-2-nitropyridine oxide. The anticancer activity of this compound may be due to its ability to inhibit the growth of tumor cells by binding to the d4 receptor, inhibiting the production of inflammatory cytokines and growth factors. 3-Chloro-2-nitropyridine has also been shown to have antiinflammatory activities, which may be due to its inhibition of nitric oxide synthesis and 5'-lipoxygenase.</p>

<p>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.</p>

<p>Please enquire for more information about (R)-3-Amino-butyric acid methyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3-Cyanopropionic acid methyl ester is a compound that belongs to the class of aliphatic carboxylic acids. It is an intermediate in the production of adiponitrile and acrylonitrile. This compound is used as a feedstock for the manufacture of vinylene, which can be used to produce c1-6 alkyl. 3-Cyanopropionic acid methyl ester can be produced from propylene and hydrogen cyanide in a high salt, activated reaction system. It has been shown that this compound may have metabolic disorders due to its ability to inhibit fatty acid oxidation and increase viscosity. 3-Cyanopropionic acid methyl ester is a colorless liquid at room temperature with a boiling point of 154°C and a molecular weight of 98.14 g/mol.</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>Cholesterol Isopropyl Carbonate is an inorganic, high melting coating that is used to enhance the properties of microcapsules. This material is a solid at room temperature and can be applied to particles such as liposomes, polymers, and nanoparticles. Cholesterol Isopropyl Carbonate has a particle size range of 500-2,000 nm and contains functional groups such as carboxylic acids. Treatment methods for this product include heating with thermal energy or irradiation with optical energy.</p>

<p>Please enquire for more information about 2'-[(1H-Tetrazol-5-yl)biphenyl-4-yl]methanol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>b-Zeacarotene is a carotenoid molecule that is found in plants and animals. It has been shown to have an inhibitory effect on protein synthesis. b-Zeacarotene is a reactive compound that can react with other compounds to form new compounds, such as reaction products of the polyene type. In bacteria, transcriptional regulation of genes involved in carotenoid biosynthesis has been shown to be inhibited by b-zeacarotene.</p>

<p>Please enquire for more information about 17,21Dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>All-trans-retinol is a form of vitamin A that is found in many animal tissues and some plant oils. It acts as a hormone, binding to the retinoic acid receptors (RARs) in the nucleus and activating gene transcription. All-trans-retinol has been shown to be effective against hyperproliferative diseases such as cancer, both by inducing apoptosis and by inhibiting cell growth. All-trans-retinol may also have therapeutic potential for other diseases, such as intestinal cancers and prostatic hypertrophy. This compound has been shown to induce messenger RNA (mRNA) production in cells that express RARs.</p>

<p>4-Nitrophenylhydrazine hydrochloride is an organic compound that belongs to the class of hydrazines. It is a colorless solid that has a melting point of 202-204 °C. 4-Nitrophenylhydrazine hydrochloride is used in the synthesis of other compounds, such as trifluoroacetic acid and nucleophilic compounds. The chemical structure can be analyzed using nuclear magnetic resonance (NMR) spectroscopy, which shows that this compound contains amines and nitro groups. 4-Nitrophenylhydrazine hydrochloride is also soluble in water due to its acidic nature. This compound reacts with bases and alcohols to form salts, such as monosodium salt.</p>

<p>3-Methylglutaric acid is an organic compound that belongs to the group of alkanocarboxylic acids. It has been shown to reduce the formation of malonic acid, which can be toxic to the heart and cause congestive heart failure. 3-Methylglutaric acid also inhibits oxidation catalysts and increases the production of energy in cells by providing electrons. The kinetic data for 3-methylglutaric acid have been determined using a gas chromatography technique on a high-temperature conversion reactor at a pH of 7.0 with a concentration of 0.1 M potassium phosphate buffer (pH 7) and a temperature of 70°C. 3-Methylglutaric acid has been shown to inhibit monoclonal antibody cationic polymerization, which may be due to its reactive nature and its ability to donate hydrogen ions or electrons.</p>

<p>Please enquire for more information about 1-Hexyl-3-(1-naphthoyl)pyrrole including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Nonafluorovaleric acid is a glycol ether that is used as a solvent and in the manufacture of fluoropolymers. Nonafluorovaleric acid is considered to be a potential biomarker for perfluoroalkyl substances, which are toxic chemicals found in many household products. It has been shown to inhibit matrix metalloproteinase activity and can be used to study autoimmune diseases. Nonafluorovaleric acid can also be used as a synchronous fluorescent probe for enzyme-linked immunosorbent assays. The toxicity of this chemical has been studied extensively and it is well known that nonafluorovaleric acid can induce enzyme induction, leading to increased production of enzymes such as cytochrome P450.</p>

<p>(R)-(+)-(2,2-Bis(Diphenylphosphino)-1,1-binaphthyl)palladium(II)chloride is a colorless solid that can be made into a crystalline form. It has a molecular weight of 518.8 g/mol and the chemical formula C12H14P4Cl2. The compound has four asymmetric carbon atoms and two stereocenters in the molecule. This compound is used as a catalyst for organic reactions and in the synthesis of other compounds. (R)-(+)-(2,2-Bis(Diphenylphosphino)-1,1-binaphthyl)palladium(II)chloride is soluble in ethanol and ether but insoluble in water. It reacts with oxygen to produce phosphorous acid and hydrogen chloride gas. This compound has been shown to have nuclear magnetic resonance spectra at room temperature with chemical shifts (</p>

<p>22a-Hydroxycholesterol is a naturally occurring, oxygenated cholesterol metabolite. It binds to the transcriptional coactivator retinoid X receptor (RXR) and inhibits the activity of certain liver enzymes. 22a-Hydroxycholesterol has been shown to have toxic effects on mouse tumors and to inhibit the production of ATP in vitro. 22a-Hydoxycholesterol also inhibits the function of ATP binding cassette (ABC) transporter proteins, which are involved in cholesterol transport from cells. The long-term toxicity of 22a-hydroxycholesterol is not well understood, although it has been shown that this metabolite can induce autoimmune diseases in rats.</p>

<p>Clovamide is a bioactive compound, which is a naturally occurring phenolic amide found primarily in certain plant species. This compound is derived from sources such as the leaves of Trifolium pratense (red clover) and certain leguminous plants. With its molecular structure comprising both phenolic acid and amino acid moieties, clovamide exhibits significant antioxidant properties.</p>

<p>7-Dehydro Desmosterol is a hydroxylated sterol found in the liver. It is an intermediate in cholesterol synthesis and participates in the regulation of glucose metabolism. The enzyme responsible for its synthesis (7-dehydrocholesterol reductase) is inhibited by radiation, which leads to its accumulation in the liver. 7-Dehydro desmosterol has been shown to have beneficial effects on experimental models of diabetes and metabolic disorders. In these studies, it was found that 7-dehydro desmosterol can inhibit glucose absorption from the intestine and stimulate insulin secretion from pancreatic beta cells.</p>

<p>Roxithromycin EP Impurity C is a byproduct of the synthesis of erythromycin. It has been shown to have anti-inflammatory activity in liver cells, and has been used as a model for studying the mechanism of action of erythromycin. The reaction solution contains inorganic acid and nitrogen atoms. Roxithromycin EP Impurity C reacts with erythromycin to form an intermediate that then undergoes a series of reactions, including hydroxylation, oxidation, and decarboxylation. The purified product is made up of carbonyl groups and transcriptional regulation. This impurity can also be found in cell nuclei.</p>

<p>Cholesterol Propionate is a monolayer film-forming polymer that forms a polymeric matrix when combined with water. The thermal expansion of this material is dependent on the concentration of cholesterol propionate and can be used as a target tissue for multi-walled carbon nanotubes (MWCNTs). In addition, Cholesterol Propionate has been shown to have light emission properties due to its hydroxyl group and fatty acid content. The phase transition temperature of the material is dependent on the concentration of benzoate in the formulation. When it reaches the phase transition temperature, cholesteryl benzoate undergoes a phase change from crystalline to liquid at room temperature. This property can be used to activate MWCNTs within Cholesterol Propionate films, which then emit light.</p>

<p>Hydrocortisone is a corticosteroid that is used to treat inflammation, allergies and skin diseases. It is also used to treat adrenal gland disorders. Hydrocortisone Acetate Impurity G (HA) is a drug that has anti-inflammatory properties, which may be due to its inhibition of prostaglandin synthesis. HA was the first hydrocortisone impurity found in prednisolone tablets. This discovery led to the development of corticosteroids and their use in medicine for the treatment of inflammation and allergies.</p>

<p>Cefradine impurity F is a hydrolysis product of cefradine, which is an antibiotic. It is catalysed by β-lactamase enzymes and undergoes nucleophilic attack on the carbon atom adjacent to the carbonyl group. Cefradine impurity F has been shown to be effective against enterobacter, which is a type of bacteria that can cause urinary tract infections. The uptake of cefradine impurity F into bacteria can occur through passive diffusion or active transport mechanisms. This drug was also found to be hydrolyzed by buffers such as phosphate and acetate in vitro, but not by other substances such as EDTA and citrate. Cefradine impurity F has been shown to be hydrolyzed in vivo, with the most likely mechanism being spontaneous hydrolysis.</p>

<p>Cholesterol 2,4-Dichlorobenzoate (CDCB) is a crystalline solid that forms the polymorphs of monoclinic, orthorhombic, and hexagonal. This compound has been traditionally used as a food additive in many commercial products to improve flavor and stability. The membranes of bacteria are composed of cholesterol 2,4-dichlorobenzoate. The nature of the compound is such that it can exist as two different conformers: the trans conformer with the chloro group on one side and the benzoate on the other or the cis conformer with both chloro groups on one side. The monoclinic form has two conformational isomers: propionate and acetate. These isomers are not distinguishable by X-ray diffraction but can be distinguished by infrared spectroscopy.</p>

<p>1-Naphthoyl chloride is a metabolite of 1-naphthol. It has been used in the synthesis of steroidal alkaloids, including the anti-inflammatory drug indomethacin and the anesthetic ketamine. 1-Naphthoyl chloride is also a precursor to synthetic cannabinoids, which are substances that have effects similar to those of cannabis but are not derived from marijuana. It binds to receptors on cells that are sensitive to cannaboids. The binding causes changes in cell function and can lead to psychological effects such as paranoia and hallucinations. The detection sensitivity of 1-naphthoyl chloride can be increased by using fluorescence detectors or gravimetric analysis.</p>

<p>Naphthalen-2-ethanol is a primary alcohol that has been synthesized and immobilized onto boron nitride. It can be used as a synthetic reaction rate indicator. Naphthalen-2-ethanol is soluble in organic solvents such as methanol, which can be used to determine the concentration of methanol in solution by observing the change in absorbance at 230 nm. This compound has functional groups such as carbinols, which are characterized by their high reactivity and ability to form esters, ethers, amides, or nitriles. Naphthalen-2-ethanol also reacts with lipases to produce polyamines and with chromatography to produce substitutive nomenclature.</p>

<p>Please enquire for more information about 2-Amino-3',4'-dimethoxypropiophenone hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2'-Chloro-2-bromoacetophenone is a compound that belongs to the class of methyl ketones. It is known to have a high transfer hydrogenation activity and has been used in the synthesis of phenacyl, which is an important biomolecular. It also has a low toxicity and does not irritate skin or mucous membranes. 2'-Chloro-2-bromoacetophenone can be used as an antiarrhythmic agent for respiratory disorders. This compound can be used for formylation reactions, such as those found in microbial metabolism, due to its ability to transfer hydrogen from organic compounds.</p>

<p>Please enquire for more information about S-(-)-Nicotine-delta1’-(5’)-iminium diperchlorate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Cholesterol heptyl carbonate is a cholesteric liquid crystal with a high melting point, which can be used as a coating for pharmaceutical tablets and other products. Cholesteric liquid crystals are composed of molecules that have different shapes in the solid phase and in the liquid phase, forming an ordered structure. The conformational state of the molecule determines the optical properties of cholesteric liquid crystals. This product has an average particle diameter of around 200 nm and is made from organic solvent. The treatment method for this product is not specified, but it may be treated by heating with thermal energy or using optical energy to create a cross-linked polymer network.</p>

<p>Please enquire for more information about 17a-Methyl-4-[(phenylthio)methyl]testosterone including the price, delivery time and more detailed product information at the technical inquiry form on this page</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>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>2,4,4’-Trichlorobiphenyl is a polychlorinated biphenyl congener. It has been shown to have an adverse effect on the central nervous system, causing neurotoxicity. 2,4,4’-Trichlorobiphenyl has been used as a model system for the study of the effects of environmental toxins on mitochondrial membrane potential and lipid peroxidation. 2,4,4’-Trichlorobiphenyl binds to fatty acids in mitochondria and inhibits fatty acid β-oxidation. The inhibition of fatty acid oxidation leads to increased levels of protocatechuic acid in the serum and liver tissue. 2,4,4’-Trichlorobiphenyl has also been found to be toxic to aquatic organisms such as fish and shrimp at low concentrations.</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 4-Amino-2,2'-bipyridine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>L-proline analogue</p>

<p>Please enquire for more information about 21-Hydroxy-pregna-1,4,16-triene-3,11,20-trione 21-acetate 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 4,17a-Dimethyltestosterone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>5a-Pregnane-3a,20a-diol is a gamma-aminobutyric acid (GABA) analogue that is used in the treatment of women with variegated hyperpigmentation. It has inhibitory properties on mutant enzymes such as disulfate reductase and other enzymes involved in the synthesis of prostaglandins. The drug binds to the enzyme GABA transaminase and this binding prevents the formation of GABA from glutamate. 5a-Pregnane-3a,20a-diol also inhibits the synthesis of prostaglandin E2 by binding to cyclooxygenase 2, leading to decreased inflammation and pain. 5a-Pregnane-3a,20a-diol is metabolized by glucuronidation or sulfation and excreted into bile or urine. This drug can also be hydrolyzed by dehydrogenases or other enzymes such as esterases.</p>

<p>2-Hydroxy-1-naphthaldehyde is a redox potential chemical that has been shown to have anticancer activity in vitro and in vivo. It inhibits the growth of cells by binding to iron, which is important for many biological processes including DNA synthesis. 2-Hydroxy-1-naphthaldehyde has also been shown to have metal carbonyl reactivity and fluorescence properties that may be useful as a fluorescent probe. 2-Hydroxy-1-naphthaldehyde binds to iron ions through hydrogen bonding interactions, forming an octahedral complex with six ligands. The compound also has coordination geometry that can be described as either trigonal bipyramidal or square planar, depending on the solvent used. This data was obtained by x-ray diffraction studies of crystalline solids. The compound's Langmuir adsorption isotherm was found to be linear at low concentrations and shifted to nonlinear behavior at higher concentrations. The</p>

<p>Please enquire for more information about 4-Methoxy retinoic acid 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 Domperidone impurity E including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Nelfinavir is an antiviral agent that is used to treat HIV/AIDS. It is a protease inhibitor that inhibits the action of the virus in cells by binding to specific enzymes, thus preventing the destruction of human cells by the virus. Nelfinavir also prevents cancer cell growth and has shown anticancer activity in animal models and humans. This drug binds to fatty acids, making it more difficult for the body to eliminate this substance. The half-life of nelfinavir is prolonged in patients with hepatic failure or renal failure. Nelfinavir can be used as a chemotherapeutic agent in infants because it does not cross the blood-brain barrier.</p>

<p>1,3,5-Naphthalene trisulfonic acid is an organic compound that is the product of the sulfonation of naphthalene. It has been shown to inhibit the activity of 3β-hydroxysteroid dehydrogenase and 17β-hydroxysteroid dehydrogenase, enzymes involved in steroidogenesis. The maximal response was observed at a concentration of 500 μM with a detection time of 30 minutes. Xenopus oocytes were used for expression and chloride currents were recorded as an indicator for enzyme activity. Concentration-response curves were generated with organic solvents such as methanol and dimethyl sulfoxide (DMSO). 1,3,5-Naphthalene trisulfonic acid also inhibits the oxidative activities of some enzymes such as lipoxygenase and cyclooxygenase.</p>

<p>Please enquire for more information about 2-Valeryl-17'-estradiol 17-valerate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Tibolone is a synthetic hormone that is used in the treatment of menopausal symptoms and breast cancer. Tibolone has been shown to be an effective treatment for menopausal symptoms, such as hot flashes and vaginal dryness, by providing relief from these symptoms. Tibolone has also been shown to have anti-cancer effects. This drug may be useful for treating breast cancer because it can inhibit the growth of cancer cells by binding to estrogen receptors and blocking estrogen-induced cell proliferation. Tibolone also stimulates angiogenesis, which is the formation of new blood vessels in order to provide nutrients and oxygen to growing tissue. It has been shown that this drug inhibits the synthesis of hepg2 cells in vitro, which are involved in the production of angiogenic factors. Tibolone may also have clinical relevance as a chemopreventive agent against prostate cancer.BR&gt; Tibolone has also been shown to stimulate sulphatase activity in vitro, which may contribute to</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>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>Atorvastatin acetonide is a statin drug that inhibits the synthesis of cholesterol by the liver. It is used to lower high cholesterol and triglycerides, as well as to reduce the risk of cardiovascular disease. Atorvastatin acetonide is a prodrug that is hydrolyzed in vivo to atorvastatin. Atorvastatin acetonide can be analyzed by HPLC with UV detection or by reversed-phase HPLC with fluorescence detection. The flow rate for this analysis is 0.5 mL/min and it takes about 20 min for analysis time. In order to monitor reaction progress, a calibration curve should be used for calibration and reaction monitoring. This product has linearity with recoveries of greater than 75%.</p>

<p>6-O-Methyl codeine is a drug that belongs to the class of opioid analgesics. It is used to treat severe pain and coughing in patients with infectious diseases, such as pneumonia or bronchitis. 6-O-Methyl codeine may be administered by mouth, intravenously, or intramuscularly. The mechanism of action of this drug is not fully understood, but it has been shown to decrease respiratory rate in some animal studies. 6-O-Methyl codeine also has an effect on the central nervous system and may cause dizziness, drowsiness, nausea, vomiting and constipation. This drug is metabolized through oxidative reactions with oxygenated molecules like fluorine or hydrogenated aromatic hydrocarbons. 6-O-Methyl codeine is a prodrug that can be converted into morphine following cleavage by liver enzymes.</p>

<p>4'-Hydroxyatomoxetine is a metabolite of atomoxetine, which is a drug that is used to treat attention deficit hyperactivity disorder and narcolepsy. 4'-Hydroxyatomoxetine has been shown to have pharmacological properties similar to those of atomoxetine. However, it does not bind to the κ-opioid receptors, unlike its parent drug. The analytical method for this metabolite has been developed using liquid chromatography with tandem mass spectrometry. The major limitation with the analytical method is that it can be affected by matrix effects and hepatic impairment. This metabolite is glucuronidated and then conjugated with trifluoroacetic acid (TFA) before excretion in urine or bile. It also binds to kappa-opioid receptors, but at a lower affinity than its parent compound.</p>

<p>Please enquire for more information about (17a)-3-Ethynyl-19-norpregna-3,5-dien-20-yn-17-ol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>S-[2-(Dimethylamino)ethyl]isothiourea Dihydrochloride is an inhibitor of tyrosinase, an enzyme that catalyzes the oxidation of tyrosine to dopa and dopaquinone. It binds to the active site of the enzyme and blocks its activity. S-[2-(Dimethylamino)ethyl]isothiourea Dihydrochloride has been shown to inhibit tyrosinase in animal experiments and in vitro studies, with a concentration-response curve that can be described by a Michaelis-Menten kinetic model. The inhibition of tyrosinase activity may be due to steric hindrance by the thiourea group or a covalent binding to amino acid residues on the protein surface. S-[2-(Dimethylamino)ethyl]isothiourea Dihydrochloride is also known as monomethyl auristatin E (MMAE</p>

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

<p>4-Nitrophenyl hexanoate is an acyl phosphate monoclonal antibody (aMAb) that binds to the enzyme hydroxylase, which converts 4-nitrophenol to p-nitrophenol. This aMAb has been shown to inhibit the activity of this enzyme and its conversion of 4-nitrophenol to p-nitrophenol, leading to its use in biochemical studies as a model for monooxygenase enzymes. The reaction mechanism for this aMAb is believed to be that it reacts with the acyl chain of hydroxylase and hinders the active site from binding 4-nitrophenol. 4-Nitrophenyl hexanoate also has a cationic surfactant that can bind or react with proteins or nucleic acids by electrostatic interactions or hydrogen bonding. It is also able to form polymers with other monoclonal antibodies and has been used in protein purification processes</p>

<p>Cholesterol Nonyl Carbonate is a fatty acid with a carbon chain of 12-18 carbons. It is a section, which enhances the microcapsules’ ability to adhere to surfaces and prevents them from being washed away by water. This compound can be used as a coating for inorganic materials, such as metals and polymers, and organic solvents, such as polypropylene. Cholesterol Nonyl Carbonate has functional groups that are polar, which allow it to dissolve in organic solvents and create coatings on objects. The molecule is comprised of an average particle diameter of 1 micrometer with a particle size distribution ranging from 0.5-10 micrometers. The treatment method for this compound involves thermal energy and conformational changes.END&gt;</p>

<p>Please enquire for more information about rec Human Growth Hormone (expressed in E.coli) including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Salbutamol sulphate impurity B is a substance that is an impurity in salbutamol sulfate. It is a white crystalline powder and is soluble in organic solvents. Salbutamol sulfate impurity B can be detected by liquid chromatography, which separates the substances based on their solubility in different phases. The substances are detected at a specific wavelength, and it is possible to identify peaks of the substances on the chromatogram synchronously. Salbutamol sulfate impurity B can be found as a part of other medicines or substances by using this detection method.</p>