Aminoacidi e Derivati

<p>Stability Hygroscopic<br>Applications L-Saccharopine is a product of breakdown of essential amino acid Lysine (L468895). Saccharopine is also part of the α-aminoadipate pathway of fungal lysine biosynthesis.<br>References Higashino, K., et al.: Biochem. Biophys. Res. Commun., 20, 285 (1965); Johansson, E., et al.: Structure, 8, 1037 (2000)<br></p>

<p>Applications (R)-Baclofen is the R-Enantiomer of Baclofen, a specific GABA-B receptor agonist and a muscle relaxant (1,2).<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>References (1) Brogden, R.N., et al.: Drugs, 8,1 (1974) (2) Song, Y., et al.: Endocrinology. en.2016-1776 (2017)<br></p>

<p>Applications Cyclopropyl-d5-amine is labelled Cyclopopylamine (C989140) which can inactivate major human drug-metabolizing cytochromes P450 enzymes.<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>References Shaffer C., et al.: J. Am. Chem. Soc., 123, 8502 (2001); Polasek, T., et al.: Brit. J. Clin. Pharmaco., 61, 570 (2006)<br></p>

<p>Applications An essential amino acid found in naturally produced peptides. Unlike its stereoisomer, L-tryptophan, it is not used in structural or enzyme proteins.<br>References Karunakaran, S.et al.: Bochem. J., 414, 343 (2008); Pallaghy, P.K. et al.: Biochem., 38, 11553 (1999);<br></p>

<p>Applications 3-O-Methylcarbidopa is an impurity of Carbidopa (C175915) with potential use as therapeutic agents to treat hypertension and Parkinson's disease.<br>References Gelber, L. et al.: J. Chrom., 257, 317 (1983); Kallwass, H. et al.: Bioorg. Med. Chem., 2, 557 (1994);<br></p>

<p>Stability Hygroscopic<br>Applications A metabolite of Melatonin (M215000).<br>References Reiter, R.J., et al.: J. Biomed. Sci., 7, 444 (2000), Chen, Z., et al.: Am. J. Physiol, 284, 1618 (2003), Barrenetxe, J., et al.: J. Physiol. Biochem., 60, 61 (2004),<br></p>

<p>Impurity L-5-Hydroxytryptophan(Tryptophan EP Impurity D)<br>Applications 5-Hydroxy-L-Tryptophan (L-5-Hydroxytryptophan(Tryptophan EP Impurity D)) is a hydroxylated metabolite of L-Tryptophan (T947210).<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>References Gartside, S., et al.: Eur. J. Pharmacol., 179, 103 (1990); Gijsman, H., et al.: J. Clin. Psychopharmacol., 22, 183 (2002),; Schruers, K., et al.: Psychiatry Res., 113, 237 (2002);<br></p>

<p>Applications 4-amino-3-phenylbutanoic acid (cas# 1078-21-3) is a GABAA receptor agonist, used for treatment of disorders influenced by dysfunction of pancreatic β cells and also used in combination with other agents.<br>References Birnir, B., et al.: PCT Int. Appl. 56pp. (2019)<br></p>

<p>Applications Glycyl-glycyl-glycine is used as a model peptide for studies of physicochemical parameters and molecular associations of small peptides. It is also used as a copper chelator.<br></p>

<p>Applications Lauroylamide Propylbetaine is used cosmetic and hair compositions of enhanced viscosity and clarity.<br>References Anon., et al.: Bull. Chem. Soc. Japan, 41, 1175 (1968),<br></p>

<p>Applications Labelled Lacosamide (L098500). Lacosamide is a medication used for the adjunctive treatment of partial-onset seizures and diabetic neuropathic pain. Lacosamide is a potent anticonvulsant.<br>References Lees, G., et al.: Brain Res., 612, 190 (1993), Kuo, C., et al.: Mol. Pharmacol., 51, 1077 (1997), Barton, M., et al.: Epilepsy Res., 47, 217 (2001), Beyreuther, B., et al.: Eur. J. Pharmacol., 539, 64 (2006), Beyreuther, B., et al.: CNS Drug Rev., 13, 21 (2007)<br></p>

<p>Applications Specific GABA-B receptor agonist. Muscle relaxant (skeletal).<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>References Ahuja, S., et al.: Anal. Profiles Drug Subs., 14, 527 (1985), Brogden, R.N., et al.: Drugs, 8,1 (1974)<br></p>

<p>Applications A labelled synthetic amino acid precursor of Norepinephrine (N674500). Antiparkinsonian.<br>References Bartholini, J., et al.: J. Pharmacol. Exp. Ther ., 193, 523 (1975), Kato, T., et al.: Biochem. Pharmacol., 36, 3051 (1987), Kawabata, A., et al.: Br J. Pharmacol., 111, 503 (1994),<br></p>

<p>Applications Tranexamic-d2 acid is deuterium labelled tranexamic acid (T714505), which is an antifibrinolytic agent that blocks lysine binding sites of plasminogen. Hemostatic.<br>References Andersson, et al.: Scand. J. Haematol. 2, 230 (1965), Melander, B., et al.: Acta Pharmacol. Toxicol., 22, 340 (1965), Bonnar, J., et al.: Br. Med. J., 313, 579 (1996), Dunn, C.J., et al.: Drugs, 57, 1005 (1999),<br></p>

<p>Applications A labelled metabolite of carboxylic acid.<br>References Bardsley, W., et al.: Biochem. J., 122, 557 (1971), Kim, J., et al.: Biosci. Biotechnol. Biochem., 69, 1331 (2005), Kopka, J., et al.: J. Biotechnol., 124, 312 (2006),<br></p>

<p>Applications N,N-Dimethylaminoethanol Phosphate is a metabolite of Dimethylaminoethanol, a precursor to the neurotransmitter acetylcholine.<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>References Ansell, G.B. et al.: Zhur. Evol. Biochim, Fiziol., 15, 249 (1979): Miyazaki, H. et al.: Chem. Pharm. Bull., 24, 763 (1976); Haidar, N.E. et al.: Neurochem. Res., 19, 457 (1994);<br></p>

<p>Applications N-Acetyl-cysteine is a reagent that is used in the synthesis of phenylalkyl isoselenocyanates which has anticancer activity.<br>References Sharma, A. K., et al.: J. Med. Chem., 24, 7820 (2008);<br></p>

<p>Applications Labelled analogue of Glycine (G615990), a non-essential amino acid for human development. Glycine (G615990) is an inhibitory neurotransmitter in spinal cord, allosteric regulator of NMDA receptors.<br>References Scott, D., et al.: J. Neurosci., 21, 3063 (2001), Laube, B., et al.: Neuropharmacology, 47, 994 (2004), Papadakis, M., et al.: J. Biol. Chem., 279, 14703 (2004), Chen, P., et al.: Mol. Pharmacol., 67, 1470 (2005), Wolosker, H., et al.: Mol. Neurobiol., 36, 152 (2007),<br></p>

<p>Applications N-Descarboxymethyl-N-carboxyethyl Lacosamide is an impurity of Lacosamide (L098500), an anticonvulsant drug that enhances sodium channel slow inactivation, and is used to treat patients with epilepsy.<br>References Doty, P., et al.: Neurotherapeutics, 4, 145 (2007); Perucca, E., et al.: Nat. Rev. Drug Discov., 7, 973 (2008); Sake, J., et al.: CNS Drugs, 24, 1055 (2010)<br></p>

<p>Impurity Tranexamic EP Impurity D<br>Applications 4-(Aminomethyl)benzoic Acid (Tranexamic EP Impurity D) is a type 2 antifibrinolytic agent.<br>References Markwardt, F., et al.: Prog. Fibrinolysis. 5, 178 (1981); Markswardt, F.. et al.: Thrombosis. Res., 9, 143 (1976);<br></p>

<p>Applications Isotope labelled L-Serine is used in the synthesis of purines and pyrimidines as antibacterial/antifungal agents, as well as acting as a proteinogenic compound.<br>References Olivella, M. et al.: Bioorg. Med. Chem., 20, 6109 (2012);<br></p>

<p>Applications L-Kynurenine is a tryptophan metabolite which is a precursor of kynurenic acid (K660500) and an antagonist of N-methyl-aspartate receptor.<br>References Swartz, K., et al.: J. Neurosci., 10, 2965 (1990);, Hasegawa, H., et al.: Anal. Bioanal. Chem., 377, 886 (2003); Tsai, Y., et al.: Anal. Biochem., 319, 34 (2003); Mitsuhashi, S., et al.: Anal. Chim. Acta, 584, 315 (2007)<br></p>

<p>Stability Hygroscopic<br>Applications CEL and CML are two stable, nonenzymatic chemical modifications of protein lysine residues resulting from glycation and oxidation reactions.<br>References Fu, M.X., et al.: J. Biol. Chem., 271, 9982 (1996), Ahmed M.U., et al.: Biochem.J., 324, 565 (1997), Schleicher, E.D., et al.: J. Clin. Invest., 99, 457 (1997), Shibayama, R., et al.: Diabetes, 48, 1842 (1999),<br></p>

<p>Applications N-Octanoylglycine is a derivative of Glycine (G615990) and is an amphiphilic lipoamino acid commonly used in cosmetics for its antibacterial properties. N-Octanoylglycine is the active ingredient in products designed to treat seborrheic dermatitis on the scalp and acne prone skin.<br>References Georgalas, A.: Cosmet. Toiletries, 127, 96 (2012); Nakamura, S.: Frag. J., 39, 36 (2011);<br></p>

<p>Stability Hygroscopic<br>Applications (R)-2-Amino-N-benzyl-3-methoxypropionamide is an impurity of Lacosamide which is a potent anticonvulsant.<br>References Letiran, A., et al.: J. Med. Chem., 45, 4762 (2002); Wadavrao, S., et al.: Synthesis, 45, 3383 (2013)<br></p>

<p>Applications Desacetyl Desmethyl Lacosamide is an impurity of Lacosamide (L098500) which is a potent anticonvulsant.<br>References Lees, G., et al.: Brain Res., 612, 190 (1993), Kuo, C., et al.: Mol. Pharmacol., 51, 1077 (1997), Barton, M., et al.: Epilepsy Res., 47, 217 (2001), Beyreuther, B., et al.: Eur. J. Pharmacol., 539, 64 (2006), Beyreuther, B., et al.: CNS Drug Rev., 13, 21 (2007),<br></p>

<p>Stability Air Sensitive, Light Sensitive<br>Applications 5-Hydroxyindole-3-acetic acid is an impurity of chlorpheniramine (C424300), an antihistaminic agent.<br>References Josko, J., et al.: Annal. Acad. Med. Siles., 66, 13, (2012); Carson, R.P., et al.: Human. Molec. Genetics., 22, 140 (2013);<br></p>

<p>Stability Moisture Sensitive<br>Applications 3-(4-Chlorophenyl)glutaric Anhydride (cas# 53911-68-5) is a compound useful in organic synthesis.<br></p>

<p>Applications A metabolite of Baclofen (c).<br>References Ault, B., et al.: Eur. J. Pharmacol., 71, 357 (1981),<br></p>

<p>Applications α-Methyldopa Methyl Ester is an impurity in the synthesis of L-α-Methyl DOPA Methyl Ester Hydrochloride which is a Methyldopa angiotensin II analog.<br>References Karle, I., et al.: Biochemistry, 29, 6747 (1990), Biron, E., et al.: Bioorg. Med. Chem., 12, 1279 (2004),<br></p>

<p>Applications Isotope labelled N-Isovalerylglycine is a useful diagnostic tool in the diagnosis of many organic acidemias and mitochondrial fatty acid β-oxidation defects. N-Isovalerylglycine is found in the urine of patients with isovaleric acidemia, an inborn error of leucine metabolism.<br>References Tanaka, K. et al.: J. Biol. Chem., 242, 2966 (1967); Bonafe, L. et al.: Mol. Gen. Metab., 69, 311 (2000);<br></p>

<p>Applications trans-4-Hydroxycyclohexylcarboxylic Acid acts as a reagent in the synthetic preparation of pyrazole-pyrimidine preparation as TTK inhibitors and potential antitumors, Preparation and Janus kinase 1 (JAK1)-selective inhibitory activity of benzimidazole derivatives.<br>References Liu, Y., et al.: ACS Med. Chem. Lett., 7, 671 (2016); Kim, H., et al.: Bioorg. Med. Chem. Lett., 26, 3213 (2016)<br></p>

<p>Applications Glycine 6-Ethylchenodeoxycholate-d5 is the labelled version of Glycine 6-Ethylchenodeoxycholate (G625250) which can be used as reactant/reagent in synthetic preparation of bile acid analogs as FXR/TGR5 agonists.<br>References Or, Y., et al.: PCT Int. Appl., WO 2016073767 A1 20160512 (2016)<br></p>

<p>Applications A metabolite of 5-Hydroxytryptamine, also known as Serotonin (S274990).<br>References Uutela, P. et al.: Anal. Chem., 81, 8417 (2009); Koehle, C. et al.: Biochem. Pharmacol., 69, 1397 (2005); Krishnaswamy, S. et al.: Xenobiotica, 33, 169 (2003);<br></p>

<p>Applications Lacosamide is a medication used for the adjunctive treatment of partial-onset seizures and diabetic neuropathic pain. Lacosamide is a potent anticonvulsant.<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>References Lees, G., et al.: Brain Res., 612, 190 (1993), Kuo, C., et al.: Mol. Pharmacol., 51, 1077 (1997), Barton, M., et al.: Epilepsy Res., 47, 217 (2001), Beyreuther, B., et al.: Eur. J. Pharmacol., 539, 64 (2006), Beyreuther, B., et al.: CNS Drug Rev., 13, 21 (2007),<br></p>

<p>Applications 3-(4-Chlorophenyl)glutaric Acid (cas# 35271-74-0) is a compound useful in organic synthesis. Baclofen Impurity 1<br></p>

<p>Stability Hygroscopic<br>Applications A metabolite of Serotonin (5-hydroxytryptamine, 5-HT).<br>References Breithaupt, T., et al.: J. Exp. Biol., 202, 837 (1999), Endo, T., et al.: Toxicology, 153, 189 (2000), Sneddon, L., et al.: J. Exp. Biol., 203, 537 (2000), Stuart, J., et al.: J. Neurochem., 84, 1358 (2003),<br></p>

<p>Stability Moisture Sensitive<br>Applications An inhibitor of alkaline phosphatase isoenzymes. An analog of Homoarginine (H585000).<br>References Muth, W., et al.: J. Biol. Chem., 249, 7463 (1974), Hanukoglu, I., et al.: Eur. J. Biochem., 180, 479 (1989), Khaw, L., et al.: J. Bacteriol. 180, 809 (1998), Gallagher, D., et al.: J. Mol. Biol., 342, 119 (2004),<br></p>