Amino Acids (AA)

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

<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 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 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>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-(3,4-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>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>Antimicrobial cationic peptide; used for microscopy glass slides coating</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>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>