Amino Acids (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 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>Applications DL-Methionine methylsulfonium chloride (cas# 3493-12-07) is a useful research chemical.<br></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>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>(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>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>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>Antimicrobial cationic peptide; used for microscopy glass slides coating</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>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 Dopaquinone including the price, delivery time and more detailed product information at the technical inquiry form on this page</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>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>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>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>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 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 (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>S-2-Benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyiminothioacetate is an experimental drug that has been studied in research, solvents and clinical data. It has a strong ability to disrupt the physiology of cells by inhibiting reactions that require S-adenosylmethionine. The reaction time is approximately 10 seconds, and human patients have been used for clinical development and translational research. This reducer is also able to produce high yield with a synthesis time of only 1 hour.</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>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 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>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>

<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>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>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>Perfluoro-N-(4-methylcyclohexyl)piperidine (4-FPP) is a fluorine compound that has been shown to inhibit the enzymatic activity of tyrosine kinases. It is a potent inhibitor of both human and murine tyrosine kinases, but it does not bind to bacterial tyrosine kinase domains. 4-FPP has been used in clinical studies as an anti-cancer drug, although it's clinical relevance remains unclear. It has also been shown to be effective against the influenza virus by inhibiting the synthesis of viral proteins that are involved in replication. The chemical structure of 4-FPP contains a carbonyl group that can react with other compounds through a photochemical process. This reaction is thought to result in the development of new drugs with similar biochemical properties to 4-FPP.</p>

<p>Please enquire for more information about Acetyl-(3,4-dehydro-Pro1,4-fluoro-D-Phe2,D-Trp3·6)-LHRH trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Ac-Phe-Lys-OH is a synthetic peptide that mimics the lysine side chain of L-lysine. It has been shown to be cytotoxic to cancer cells and cardiac cells, with the formation rate of Ac-Phe-Lys-OH being dependent on the concentration of glycolaldehyde. The reaction yield for Ac-Phe-Lys-OH is also dependent on creatine kinase activity. Acetylation of Ac-Phe-Lys-OH reduces its cytotoxicity and increases its solubility in water.</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>Endothelin-1 (ET-1) is a peptide that is produced by the endothelium. ET-1 is involved in numerous biological processes, including vasoconstriction, inflammation, and cell proliferation. Endothelin-1 (human ET-1) acetate salt H-Cys-Ser-Cys-Ser-Ser-Leu-Met-Asp-Lys-(Glu)-Cys-(Val)-Tyr-(Phe)-Cys-(His)-Leu -Asp(-Ile)-Ile(-Trp)) acetate salt is a recombinant protein that has been shown to significantly upregulate the production of endothelin in primary pulmonary hypertension. It also plays an important role in bowel disease, where it may be involved in the development of chronic inflammatory bowel disease.</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>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>

<p>Please enquire for more information about N-(2-Amino-ethyl)-2-(benzyl-phenyl-amino)-acetamide 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 Acetyl-(Cys(Acm)33·42)-EGF (33-42) amide (mouse) including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>H-Leu-Pro-Pro-OH is a synthetic tripeptide that has been shown to increase endothelial function in humans. The peptide is thought to work by increasing nitric oxide production and by inhibiting angiotensin II production. H-Leu-Pro-Pro-OH also reportedly increases uptake of glucose in the intestine and decreases blood pressure. In placebo-controlled, crossover studies, H-Leu-Pro-Pro-OH increased plasma concentrations of angiotensin I and II, suggesting that it may be a potent inhibitor of angiotensin converting enzyme (ACE).</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 3-Iodo-L-tyrosine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Z-Phe-Cit-AMC is a fluorescent substrate for the enzymes cysteine and peptide aminopeptidases. It has been synthesized by conjugating 7-amino-4-methylcoumarin with L-phenylalanine. The product is useful in assays to measure the activity of these enzymes, which are involved in protein digestion and wound healing. Z-Phe-Cit-AMC can be hydrolyzed by bromelain, ficin, or papain and it can be used as a substrate for enzyme reactions.</p>