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 DL-Methionine methylsulfonium chloride (cas# 3493-12-07) is a useful research chemical.<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>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>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>5-Methylindole-3-acetic acid (5MI3A) is a molecule that has been shown to have antiproliferative properties in bladder cancer cells. 5MI3A binds to the receptor for GABA, which is an inhibitory neurotransmitter. It also inhibits the production of proinflammatory mediators and reactive oxygen species in cancer cells. 5MI3A has anticancer activity in prostate cancer cells and may act by inducing apoptosis and inhibiting cell proliferation. Consumption of 5MI3A may reduce the risk of cancer development by preventing DNA damage from carcinogens, suppressing inflammation, and regulating cell growth through its antagonistic properties.</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>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>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>Antimicrobial cationic peptide; used for microscopy glass slides coating</p>