Aminoácidos (AA)

<p>2-Amino-3-methylpyridine is a colorless crystalline compound. It has the molecular formula of CHN and a molecular weight of 115.2 g/mol. 2-Amino-3-methylpyridine has an asymmetric carbon atom, so it is chiral and can be found in two different forms, enantiomers. The intermolecular hydrogen bond between nitrogen atoms is responsible for the high melting point of -40°C. The coordination geometry of group P2 is pyramidal with the nitrogen atom at the apex and two hydrogen atoms bonded to each other on either side of the nitrogen atom at 120° angles. X ray crystal structures have shown that 2-amino-3-methylpyridine exists as a molecule with an acylation reaction mechanism and intramolecular hydrogen bonding. Methanol solvent was used in this study to dissolve 2 amino 3 methyl pyridine because it does not react with copper chloride</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>L-Methionine is a non-essential amino acid that belongs to the group of essential amino acids. It is a major constituent of proteins and is used in the metabolism of lipids, carbohydrates, and nucleic acids. Methionine is also involved in the synthesis of cysteine, which is an important antioxidant. L-Methionine can be found in many foods such as eggs, dairy products, fish, poultry, soybean products, peanuts, beans and seeds. Studies have shown that L-methionine has effects on liver function and may be useful for prevention or treatment of liver disorders such as primary sclerosing cholangitis (PSC). This compound also plays a role in the formation of body tissues and cells. L-Methionine has been shown to increase glutathione levels which are important for detoxification reactions and protection against oxidative stress. It also helps regulate calcium metabolism by reducing calcium absorption from food and increasing excretion via</p>

<p>Poly epsilon L-lysine HCl is a water soluble, biodegradable, cationic peptide that can be produced via fermentation by Streptomyces albulus. It shows a wide range of antimicrobial activity against microorganisms such as bacteria, yeasts and molds and is stable at high temperatures and under both acidic and alkaline conditions. This non-toxic poly-L-lysine is commonly used as a supplement or preservative in various food, beverage and cosmetics products. It can also be 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>Antimicrobial cationic peptide; used for microscopy glass slides coating</p>

<p>(1R,2S,3S,5S)-3-(4-Iodophenyl)-8-methyl-8-azabicyclo[3.2.1]octane-2-carboxylicacid methyl ester is a molecule that has been shown to be effective in lowering the symptoms of Parkinson's disease. It also prevents the uptake of dopamine and serotonin in the brain by binding to dopamine and serotonin transporters on the cell membrane. This drug has been shown to be safe at doses up to 100 mg/kg/day in rats, but has not been tested in humans. The drug is stable in neutral pH environments and does not degrade upon exposure to light or oxygen.</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>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>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>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 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 3-Acetylthio-2-methylpropanoic Acid-d5 (cas# 1189969-31-0) is a compound useful in organic synthesis.<br></p>

<p>4-Chloro-2-methylbenzoic acid is a high quality chemical that is used as an intermediate in the preparation of other compounds. It belongs to the group of complex compounds and has CAS No. 7499-07-2. This reagent can be used to synthesize speciality chemicals, research chemicals, and versatile building blocks. 4-Chloro-2-methylbenzoic acid is also useful as a reaction component for the synthesis of fine chemicals, pharmaceuticals, and agrochemicals.</p>

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<p>2-Chloro-N-(4-methoxyphenyl)propanamide (2CMPP) is an acetanilide with a chloro substituent. It is used in research and yields better results than 2-chlorobenzoyl chloride. Acetanilides are prepared by the catalytic reduction of nitrobenzenes or chlorobenzenes with sodium or potassium borohydride in the presence of water. The reaction is exothermic and produces a white solid, which can be purified by recrystallization or column chromatography. Preparative methods for acetanilides include reaction of phenols with acetic anhydride and formaldehyde, followed by hydrolysis of the resulting ester to yield the corresponding amide.</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 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>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 N,N-[Iminobis(trimethylene)]bis-D-gluconamide (cas# 86303-20-0) is a compound useful in organic synthesis.<br></p>

<p>4-Methoxy-N-methylbenzylamine is a synthesized compound that is structurally similar to piperazine. It has been synthesized using the Chloramine T method and has been shown to be active as an amine receptor ligand. This molecule binds to the amine receptor site of the GABAA receptor with high affinity, inhibiting chloride ion flow. The functional groups on this molecule are likely responsible for its binding activity. 4-Methoxy-N-methylbenzylamine may be useful in the treatment of scopolamine-induced amnesia, due to its ability to bind to specific receptors in the brain.</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>Please enquire for more information about 6-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ylamine including the price, delivery time and more detailed product information at the technical inquiry form on this page</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>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>2-Bromo-6-methoxypyridin-3-amine is a perovskite that has been shown to have a high photoluminescence quantum yield and can be used in solar cells. This compound interacts with both the ligands and the acceptors, boosting the efficiency of these compounds. The 2-bromo-6 methoxypyridin-3 amine is a semiconductor with an electron affinity of 1.9 eV and a band gap of 1.6 eV. It has been shown to be efficient as a photoluminescent material in nanocrystals.</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>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>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>Please enquire for more information about Methyl 5-chloro-1-methyl-1H-indole-2-carboxylate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3,4-Methylenedioxyphenyl butyl ketone (MBK) is a synthetic drug that is structurally related to the amphetamines. MBK has been shown to induce locomotor hyperactivity in mice and exhibits pharmacokinetic properties similar to other amphetamine-type stimulants. MBK has a high affinity for the glutamate transporter, leading to an increase in extracellular concentrations of this neurotransmitter. This may lead to neurotoxicity with repeated use. MBK also interacts with the glutamate receptor and affects glutamate homeostasis. The administration of ceftriaxone, a cephalosporin antibiotic, has been found to attenuate the effects of MBK on dopamine levels and motor activity in rats.</p>

<p>Please enquire for more information about 4-[(4-Methyl-1H-pyrazol-1-yl)methyl]piperidine dihydrochloride 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 (Met186)-Melanocyte Protein PMEL 17 (185-193) (human, bovine, mouse) 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 Fmoc-alpha-Me-L-Leucine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Angiotensin I/II (3-8) H-Val-Tyr-Ile-His-Pro-Phe-OH is a peptide that has physiological effects and is used as a drug. It is an active analogue of the peptide hormone angiotensin II, which regulates blood pressure and fluid volume. Angiotensin I/II (3-8) H-Val-Tyr-Ile-His-Pro-Phe-OH binds to angiotensin receptors and stimulates the release of calcium ions from cytosolic stores in cells, leading to increased muscle contractions and vasoconstriction. This drug may also have effects on dopamine levels in the brain, locomotor activity, and biochemical properties such as enzyme activity or protein binding.br&gt;<br>Angiotensin I/II (3-8) H-Val-Tyr-Ile-His Pro Phe OH has been shown to reduce the level of dopamine</p>

<p>Z-Ala-Arg-OH is a low molecular weight carboxylate that has an acidic, hydrophobic side chain. The chemical formula for Z-Ala-Arg-OH is C11H18N4O6. The chemical structure of Z-Ala-Arg-OH can be found in the figure below:<br>Z-Ala-Arg-OH is an ionizable, acidic compound with a pKa of 3.5. The functional groups on Z-Ala-Arg-OH are shown in the figure below:<br>The carboxylate group and the amine group are present in this molecule.<br>Z-Ala-Arg-OH is a transpeptidase, which catalyses the posttranslational modification of proteins by transferring amino acids from one protein to another during translation or after translation. Transpeptidases are important enzymes in bacterial cell wall synthesis because they catalyze peptide bond formation between two amino acid</p>

<p>Boc-Ala-Ala-Pro-Ala-pNA is a synthetic peptide analog of the amino acid sequence Pro-Gly-Arg. It has been shown to inhibit the proliferation of prostate cancer cells, as well as to inhibit tumor growth in animals. This peptide also inhibits protease activity in subtilisin and has been used to study the inhibition of angiogenesis by endothelial cell proliferation. The peptide is an inhibitor of ion exchange and has been used to study the effects of fatty acids on carcinoma cell lines. Boc-Ala-Ala-Pro-Ala-pNA has also been shown to be active against other animal cells and could be used for research purposes.</p>

<p>Please enquire for more information about H-Gly-Trp-Gly-Gly-OH including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>H-His-Arg-OH is a synthetic peptide that has been shown to have cytotoxic effects on mammalian cells. The H-His-Arg-OH peptide can be used for the treatment of heart disease and autoimmune diseases, such as rheumatoid arthritis. This peptide has been found to be resistant to congestive heart failure, which is caused by a number of factors, including hypertension and valvular stenosis. It has also been shown to have an immunoglobulin G1 (IgG1) genotype.</p>

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<p>Please enquire for more information about (Ala31, Aib 32)-Neuropeptide Y (porcine) trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>L-phenylalanine is an amino acid that has a sweet taste. It is one of the 20 amino acids encoded by the universal genetic code, and is classified as a polar amino acid because it has a hydroxyl group on its side chain. L-Phenylalanine is used in the food industry as a sweetener and to enhance salty or acidic flavors. Phenylalanine has been shown to be an important precursor for several important neurotransmitters in the brain. This includes serotonin, dopamine, and norepinephrine. Phenylalanine also plays a role in protein metabolism and enzyme activity, including aminopeptidases and racemases, which are enzymes that catalyze reactions involving racemic mixtures.</p>

<p>Please enquire for more information about Ovalbumin (257-264) (chicken) 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 Tyr-(D-Dab 4,Arg5,D-Trp8)-cyclo-Somatostatin-14 (4-11) trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Z-Pro-Ala-OH is a carboxypeptidase enzyme that catalyzes the hydrolysis of the amide bond between the carboxyl group of glutamic acid and the amino group of proline. This enzyme can be found in wheat (Triticum aestivum), where it is present at high concentrations, and has a specificity for Z-Pro-Ala. The enzyme is active in muscle tissue, as well as in brain and cardiovascular tissues. It has been shown to have beneficial effects on cerebral cortex function and cardiovascular diseases. The enzyme is also specific to erythrocytes and plasma samples, with high activity levels observed in homogenates of both tissues.</p>

<p>H-Ala-Ala-Lys-OH hydrochloride salt is a tripeptide with a reactive side chain. The protonated form of the molecule can be analyzed by acid analysis, and the ligand can be synthesized in a laboratory. Amino acid analysis has shown that this tripeptide contains lysine residues, which are important for binding to the peptide transporter. This compound is taken up through the intestine and is found in porcine tissue. H-Ala-Ala-Lys-OH hydrochloride salt has been used as a model compound in structural studies of peptide transporters.</p>

<p>C3d Peptide P16 H-Lys-Asn-Arg-Trp-Glu-Asp-Pro-Gly-Lys-Gln-Leu-Tyr-Asn-Val-Glu-Ala is a molecule that can be used as a diagnostic tool for cancer and other diseases. It is a hydroxylated analog of the amino acid Lysine, and has been shown to bind to tumor vasculature. C3d Peptide P16 H Lys Asn Arg Trp Glu Asp Pro Gly Lys Gln Leu Tyr Asn Val Glu Ala OH is a β amino acid with a carboxy terminal hydroxyl group. The reactive hydroxyl group reacts with other molecules in order to form conjugates, which are then attached to polymer surfaces for diagnostic purposes. C3d Peptide P16 H Lys Asn Arg Trp Glu Asp Pro Gly Lys Gl</p>

<p>L-Lysine L-malate is a chemical compound that is used in wastewater treatment. It inhibits the activity of enzymes such as carbon disulphide oxidase, copper complexes, and cationic surfactants. L-Lysine L-malate can be synthesized from sodium citrate and malonic acid by reacting with hydrogen peroxide to form a bicyclic heterocycle. This compound has been shown to have biological effects on metabolic disorders in animal studies, which may be due to its ability to inhibit the synthesis of fatty acids and proteins. The adsorption mechanism for this product is unknown.</p>

<p>Please enquire for more information about Fmoc-α-Me-Ser(tBu)-OH including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Peptide YY (3-36) (human) trifluoroacetate salt H-Ile-Lys-Pro-Glu-Ala-Pro-Gly-Glu-Asp-Ala-Ser-Pro-Glu-Glu-Leu-Asn -Arg -Tyr -Tyr -Ala -Ser -Leu -Arg <br>Peptide YY (3.36) is a peptide hormone that is secreted by L cells in the small intestine and colon. It has been shown to be an effective treatment for obesity, type 2 diabetes, and other metabolic disorders. Peptide YY (3.36) has been shown to increase insulin sensitivity, reduce food intake and body weight, increase metabolic rate, and improve glucose homeostasis in animal studies. In humans, it has been found to have similar effects on postprandial plasma levels of peptide YY (3.</p>

<p>3-Methylbutanoic acid is an antimicrobial agent that belongs to the group of isovaleric acids. It is a product of β-oxidation and has been shown to inhibit the growth of bacteria by reacting with their surface. 3-Methylbutanoic acid inhibits bacterial growth by binding to the pyrazole ring in DNA and altering its conformation, preventing DNA replication. This reaction occurs at a rate comparable to that of other fluoroquinolones, such as ciprofloxacin, levofloxacin, and norfloxacin. 3-Methylbutanoic acid has been shown to have antibacterial activity against both Gram-positive and Gram-negative bacteria, particularly those that are resistant to erythromycin or lincomycin.</p>

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<p>4-Amino-3-methoxypyridine (4AMMP) is a naturally occurring amino acid that can be found in the nuclei of innervated tissues. It is an inhibitor of the enzyme tyrosine hydroxylase and inhibits the synthesis of catecholamines. The concentration of 4AMMP in blood was measured by radioactivity. This agent has been used for studies on the thalamic nucleus and cortex, as well as for measuring catecholamine levels in tissue homogenates.</p>

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