Aminoácidos (AA)

<p>Applications N-Butyl-N-methylnitrosamine, is an nitroso impurity found in “Sartans” , a class of drugs that block the action of angiotensin.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Applications L-Citrulline-d7, is the labeled analogue of L-Citrulline (C535700), which is an amino acid, first isolated from the juice of watermelon, Citrullus vulgaris Schrad., Cucurbitaceae. It is also used in the treatment of asthenia.<br>References Kurtz, et al.: J. Biol. Chem., 122, 477 (1938), Rajantie, J., et al.: J. Pediatr., 97, 927 (1980), Carpenter, T.O., et al.: N. Engl. J. Med., 312, 290 (1985),<br></p>

<p>Applications DL-Methionine methylsulfonium chloride (cas# 3493-12-07) is a useful research chemical.<br></p>

<p>Applications 2,2'-AZOBIS-(2-METHYLBUTYRONITRILE) (cas# 13472-08-7) is a useful research chemical.<br>Dangerous Goods Info This compound is forbidden to ship by air under IATA regulations.<br></p>

<p>Please enquire for more information about Boc-Thionoala-1-(6-nitro)benzotriazolide 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 5-(2-methylpropyl)-3-(prop-2-ynylamino)cyclohex-2-en-1-one 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 Dopaquinone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2-Phenoxyphenylacetonitrile is a pyrethroid n-oxide that is chemically related to other insecticides that are used in agriculture and against insects such as mosquitoes. 2-Phenoxyphenylacetonitrile is a synthetic compound that has been shown to have an optimum pH of 5.5, which makes it difficult to dissolve in water. The compound's high stability at low pH levels means that it can be used in acidic environments. It also has been shown to have strong activity against human serum and food composition, with no detectable activity against bacteria or fungi.</p>

<p>(E)-N-(2-Chloro-6-methylphenyl)-3-ethoxyacrylamide is a reagent and research chemical that can be used as a building block in the synthesis of other compounds. It is also a versatile building block in organic chemistry. (E)-N-(2-Chloro-6-methylphenyl)-3-ethoxyacrylamide has been shown to be an effective intermediate for the synthesis of various complex compounds, such as pharmaceuticals and pesticides. This compound is also a useful scaffold for the synthesis of other fine chemicals.</p>

<p>DL-Proline is a biological molecule that has been shown to bind to the DNA binding domains of proteins. This binding can be seen with the crystal structures of DL-proline and protein. The reaction mechanism for DL-proline is as follows:<br><br>DL-Proline + Protein → Proline + Protein<br><br>The equilibrium constant for this reaction is 1.0 at 298 K. The pKa value for the amide group in DL-proline is 4.8, which means that it will react with water and form an amine group at physiological pH levels. DL-Proline has been shown to have metabolic disorders.</p>

<p>3,4-Methylenedioxy propiophenone is a synthetic compound with a fatty acid chain. It has been shown to have potent activity against leishmania and has been used as an intermediate in the synthesis of other drugs. 3,4-Methylenedioxy propiophenone can be synthesized by acylation reactions with chloride and acetylcholinesterase inhibition. This product also has molecular docking properties, which have been analyzed using computational methods, such as profiling and profile analysis.</p>

<p>1-(3,4-Methylenedioxyphenyl) 2-nitropropene (1-MPNP) is a phosphatase inhibitor that is active against gram-negative bacteria by inhibiting enterotoxins and chlamydia. 1-MPNP inhibits the activity of tyrosine phosphatases, which are enzymes that play a major role in bacterial virulence. 1-MPNP competitively inhibits the activity of tyrosine phosphatases and prevents them from catalyzing the hydrolysis of polyphosphate substrates. This inhibition leads to an accumulation of polyphosphates in the bacterial cell membrane, which disrupts its permeability and leads to cell death.</p>

<p>2-Phenyl-2-(2-piperidyl)acetamide is an enantiomeric amide that can be used as a chiral building block for the synthesis of other organic compounds. It is synthesized by reacting phenylacetic acid with piperidine. 2-Phenyl-2-(2-piperidyl)acetamide is a primary amide and has been shown to have analgesic properties.</p>

<p>Antimicrobial cationic peptide; used for microscopy glass slides coating</p>

<p>7-[5-(Fluoro-methyl-phosphoryl)oxypentyl]-4-nitro-2,1,3-benzoxadiazole is a reactivator of the central nervous system. It is a noncompetitive antagonist at muscarinic receptors and blocks postsynaptic acetylcholine release from cholinergic neurons. It has been shown to have no effect on blood pressure but does cause an increase in locomotor activity in animals. This drug binds to the hippocampal formation and the ventral hippocampus, which are areas of the brain that are involved in memory and spatial navigation. The distribution of this drug postulated to be due to its ability to penetrate micron sized openings in cell membranes.</p>

<p>N-Acetyl-L-alanine is the N-acetylated form of L-alanine and is a nonessential amino acid. It is an amide containing one nitrogen atom and two carbonyl groups. The nitrogen can be found in either the alpha or beta position on the amide. The biological properties of N-acetyl-L-alanine are similar to those of L-alanine, as it is used as a substrate for protein synthesis and has been shown to inhibit p21 and epidermal growth factor. The conformational properties of N-acetyl-L-alanine are different from that of L-alanine due to its changed shape, which may affect its biological activity.</p>

<p>Please enquire for more information about 4-((4-(dimethylamino)phenyl)methylene)-3-methyl-1-phenyl-2-pyrazolin-5-one including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>1-[3-(Fluoro-Methylphosphoryl)Oxypropyl]Pyrene is a fluorescent derivative of pyrene. It has been used to label DNA and proteins for experiments involving fluorescence. The fluorophores in 1-[3-(Fluoro-Methylphosphoryl)Oxypropyl]Pyrene are activated by laser light, which causes emission of light at a wavelength of 590 nm. The emission spectrum of 1-[3-(Fluoro-Methylphosphoryl)Oxypropyl]Pyrene is sensitive to the environment and changes with chemical modification.</p>

<p>(Fluoro-Methylphosphoryl)Oxycyclohexane is an organophosphorus compound that acts as a nerve agent. It inhibits the enzyme acetylcholinesterase, which is responsible for breaking down acetylcholine, leading to excess cholinergic stimulation. This can cause excessive contraction of muscles or even death. The exposure to (Fluoro-Methylphosphoryl)Oxycyclohexane can be detected by analytical methods such as gas chromatography/mass spectrometry. Oximes are used in the reactivation of acetylcholinesterase and are effective in preventing neuronal death. They bind to the phosphonyl group in (Fluoro-Methylphosphoryl)Oxycyclohexane and prevent it from inhibiting the enzyme acetylcholinesterase.</p>

<p>L-Cysteine is a non-animal derived amino acid that has been shown to help maintain normal iron levels in the body. It also helps reduce oxidative injury and inflammation. L-Cysteine is made naturally by the human body, but can be found in some foods as well. L-Cysteine has been shown to help regulate protein oxidation and injury responses in humans. L-Cysteine plays a role in the immune system by binding to Toll-like receptors, which are proteins on cells that are involved with inflammation and immunity. L-Cysteine also plays a role in the immune system by stimulating antibody production, which is important for fighting infection. Cysteine is an amino acid involved with many biochemical reactions, including synthesis of proteins and DNA molecules. Cysteine also regulates gene expression through response elements that are found in the promoter regions of genes. The rate constant for cysteine is 0.00001s^(-1).</p>

<p>Applications 3-Acetylthio-2-methylpropanoic Acid-d5 (cas# 1189969-31-0) is a compound useful in organic synthesis.<br></p>

<p>Applications Tetrahydro-5-methyl-2-furanol 2-Benzoate is an intermediate in synthesizing 2,3-Dihydro-2-methylfuran (D447355), which is a general reagent used in next generation of biofuels. Dihydrofuranyl derivative.<br>References Simmie, J. et al.: J. Phys Chem., 116, 4528 (2012);<br></p>

<p>Applications 5-Hydroxy-7-methoxy-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one-d3 is an intermediate for the synthesis of Alternariol Monomethyl Ether-d3 (A575771), labelled methyl este analog fo Alternariol. An alternaria mycotoxin and genotoxin, found in common edible crops. It inhibits the activity of various DNA-topoisomerases, increasing the rate of DNA strand breaks.<br>References Asam, S., et al.: J. Agric. Food Chem., 57, 5152 (2009); Fehr, M., et al.: Mol. Nut. Food Res., 53, 441 (2009); Tiemann, U., et al.: Toxicol. Lett., 186, 139 (2009)<br></p>

<p>Applications (Z)-Ethyl 2-((2S,4R,5S)-4,5-Dihydroxy-2-methoxydihydro-2H-pyran-3(4H)-ylidene)acetate-13C3 is a by-product intermediate in synthesizing Patulin-13C3 (P206502), a labelled Patulin (PAT). It is a mycotoxin produced by certain species of Penicillium, Aspergillus, and Byssochlamys, is mainly found in ripe apple and apple products. Patulin-induced genotoxicity and modulation of glutathione in Hep G2 cells. Antibiotic.<br>References Scott, P., et al.: J. Agric. Food Chem., 20, 450 (1972); Aden, D., et al.: Nature, 282, 615 (1979); Surralles, J., et al.: Mutat. Res., 341, 169 (1995); Alves, I., et al.: Mutagenesis, 15, 229 (2000); Liu, B., et al.: Toxicol. Appl. Pharmacol., 191, 255 (2003)<br></p>

<p>1-Butyl-1-methylpyrrolidinium bromide is a pyridinium salt with a pyrrolidinium moiety. It forms by the reaction of 1-butylpiperidine and 2 equivalents of Br2 in dichloromethane at -20 degrees Celsius. The formation rate can be determined by measuring the absorbance of the product at 227 nm. 1-Butyl-1-methylpyrrolidinium bromide is an analytical reagent that has been used to determine the viscosity and pH of organic solutions, as well as enzyme activities and kinetic parameters. It has also been used for chemical structures and chromatographic science studies, such as electrochemical impedance spectroscopy.</p>

<p>4'-Amino-N-methylacetanilide is a chemical reagent that can be used as a building block for the synthesis of other chemicals. It has been shown to have a high quality and is useful in the research field. It has been used as an intermediate in the production of pharmaceuticals and pesticides, such as acetaminophen, chloramphenicol, and nitrofurantoin. 4'-Amino-N-methylacetanilide has also been used as a versatile building block for the synthesis of various complex compounds, including dyes and polymers.</p>

<p>Applications N,N-[Iminobis(trimethylene)]bis-D-gluconamide (cas# 86303-20-0) is a compound useful in organic synthesis.<br></p>

<p>Applications N-Methyl-d3-N-nitroso-p-toluenesulfonamide is the labeled version of Diazald; Diazomethane precursor.<br>References Takizawa, et al.: J. Pharm. Soc. Jpn., 70, 490 (1950)<br></p>

<p>Applications 2-(1-Cyano-1-methylethyl)azocarboxamide, cna be used in the synthesis of azobenzene side chain polymers derived from the bifunctional fumaric acid and itaconic acid.<br>References Kim, s. et al.: Polymer, Vol 55. P: 871-877 (2014);<br></p>

<p>Applications 3-((2-Chlorothiazol-5-yl)methyl)-5-methyl-1,3,5-oxadiazinan-4-imine Hydrochloride is an intermediate for the synthesis of N-(3-((2-Chlorothiazol-5-yl)methyl)-5-methyl-1,3,5-oxadiazinan-4-ylidene)benzenesulfonamide (C385860), which is an impurity of Thiamethoxam (T344180), a neonicotinoid insecticide.<br>References Oliver, J., et al.: J. Environ. Horticult., 28, 135 (2010), Ghosh, A., et al.: J. Entomol. Res., 34, 35 (2010), Chem. and Eng. News 90: 10 (2012)<br></p>

<p>Please enquire for more information about L-(-)-Glyceraldehyde - Technical grade aqueous solution including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Cyclo(-Arg-Gly-Asp-D-Phe-Cys) acetate salt is a peptide that has been modified to be an active targeting agent. It is an amphipathic molecule that can be used to deliver therapeutic agents specifically to cancer cells. Cyclo(-Arg-Gly-Asp-D-Phe-Cys) acetate salt is conjugated to a drug and is taken up by cells through the process of endocytosis. Once inside the cell, the drug is released and binds with the cell membrane, which leads to cell death. The uptake of this peptide has been shown to be pH dependent; it is taken up more readily in acidic environments than in neutral or alkaline environments. This peptide has also been shown to have cytotoxic effects on both MFC7 cells and rat liver cells.</p>

<p>4-Chloro-2-(methyl-phenyl-sulfamoyl)-benzoic acid methylester is an industrial chemical that is used in the production of other chemicals. It can be produced by the esterification of 4-chlorophenylacetic acid with methyl phenyl sulfonyl chloride, followed by diazotization and chlorination. This chemical also has the ability to form a condensation product with hydrazine.</p>

<p>1,1-Dichloro-1-fluoro-methanesulfenylchloride is a hazardous chemical that belongs to the group of chlorine compounds. It has been used as an antibacterial agent in the past and has been shown to be effective against nematodes, helminths, and some microorganisms. It is also used as a solvent in the production of dyes and perfumes. 1,1-Dichloro-1-fluoro-methanesulfenylchloride is not active against bacteria that are resistant to sulfonic acids or amines.</p>

<p>Please enquire for more information about ACTH (2-24) (human, bovine, rat) trifluoroacetate 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 2-(Fluoromethyl)-3-(2-methylphenyl)-6-nitro-3H-quinazolin-4-one 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-Methyl-4-(trifluoromethoxy)iodobenzene including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Diethoxy-methyl-thioxo-phosphorane is a chemical compound that is used in the manufacture of industrial chemicals. It has a vapor pressure of 0.0014 mmHg at 25°C, and can be quantified by chemical ionization with gas chromatography/mass spectrometry. Diethoxy-methyl-thioxo-phosphorane reacts with radiation to produce reactive oxygen species and other free radicals, which can damage DNA and cause cancer. The reaction rate is rapid, with an analogy to humans being exposed to nitrate compounds. Diethoxy-methyl-thioxo-phosphorane is also used in devices such as radiators and heaters, where it causes damage when combined with nitrates.</p>

<p>3-Chloro-2-methyl-1-propene is a reactive chemical that belongs to the class of organic compounds. It is a chlorocarbon with a hydroxyl group and an alkyl group. 3-Chloro-2-methyl-1-propene can react with other chemicals in solution, which may be due to steric interactions or cationic polymerization. This reaction is catalyzed by a solid catalyst, such as dimethyl fumarate or chloride. The addition of hydrogen fluoride or trifluoroacetic acid will increase the rate of this reaction.</p>

<p>4-Methylpentanoic acid is a fatty acid that is the product of anaerobic fermentation in the colon and can be found as an end product in the body. It can be used as a substrate in film tests for detecting bacteria, such as Escherichia coli, which are associated with bowel diseases. 4-Methylpentanoic acid has been shown to have inhibitory effects against nuclear dna replication, mitochondrial membrane potential, and energy metabolism. 4-Methylpentanoic acid also has antiinflammatory properties and has been shown to decrease body mass index. The 6-Fluoro-3-indoxyl-beta-D-galactopyranoside is an antituberculosis 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</p>

<p>Clobetasol propionate is an organic acid with a chemical structure that is stable in pharmaceutical preparations. It is used to treat inflammatory skin disorders such as psoriasis and atopic dermatitis. Clobetasol propionate is an impurity of clobetasol, which has been shown to be chemically stable in preparations. The clobetasol propionate compound has been found to be more potent than other topical corticosteroids for the treatment of plaque psoriasis and atopic dermatitis.</p>

<p>Please enquire for more information about (R,S)-Z-3-Amino-7-chloro-2-oxo-5-phenyl-1,4-benzodiazepine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>