Aminoácidos (AA)

<p>Antimicrobial cationic peptide; used for microscopy glass slides coating</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>2-Methoxy 17b-estradiol is a synthetic estrogen that binds to DNA and alters the transcriptional process. It has been shown to induce apoptosis by activating the pro-apoptotic protein Bax and inhibiting the anti-apoptotic protein Bcl-2. This drug inhibits the metabolic response of cancer cells to chemotherapy, leading to a decrease in tumor size, and can be used as an implantable device for treating cancer. 2-Methoxy 17b-estradiol also has minimal toxicity in comparison to other estrogens, with no significant cytotoxicity observed in cells of reproductive tissues or endocrine organs, nor any significant toxic effects on liver function tests or serum lipids.</p>

<p>Gly-Asp-OH is a medicine that has proliferative activity. It is also an immunoregulatory and biologically active substance, which suppresses the production of cytokines IL-10 in mononuclear cells. Gly-Asp-OH is a synthetic compound with medicinal properties. The structure of this compound was elucidated by chemical analysis and spectroscopic methods. It can be used as an anti-inflammatory agent or to prevent cell death induced by necrosis or apoptosis.</p>

<p>N,N'-Di-boc-(L)-cystine-dimethyl ester is a fine chemical that can be used as a versatile building block. It is a complex compound with CAS No. 77826-55-2 and can be used as a reagent or speciality chemical in research. This chemical is also useful for the synthesis of various compounds and has been proven to be an excellent scaffold for chemical reactions.</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>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>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>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 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>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>