Bioquímicos e reagentes

<p>Applications The urinary 1- and 3-methylhistidine (1- and 3-MH) metabolites as potential biomarkers of skeletal muscle toxicity. These metabolites were highly correlated to sex-, dose-, and time-dependent development of cerivastatin-induced myotoxicity. Natural but non-proteinogenic amino acid; employed as index of muscle protein breakdown.<br>References Berna, M., et al.: Anal. Chem., 79, 4199 (2007), Pritt, M., et al.: Toxicol. Sci., 103, 382 (2008), Tonomura, Y., et al.: Toxicology, 266, 48 (2009),<br></p>

<p>Applications D-Gluconic Acid is used as a reagent in the synthesis of Pangamic Acid (P179500, Ca Salt); a mineral supplement that is sometimes referred to as Vitamin B15 although it is not a true vitamin.<br>References Mansurova, I.D. et al.: Eks. Patol. Pech., 1, 58 (1973); Apanasenko, A.A.: Cor Vasa, 15, 20 (1973); Alkhanova, N.A.: Nauch. Tru. Kaz. Gosud. Med. Inst., 41, 83 (1974)<br></p>

<p>Stability Hygroscopic<br>Applications Used for the determination of galactose-6-sulphate sulphatase activity. Used in the diagnosis of Mucopolysaccharidosis IV A.<br>References van Diggelen, O.P., et al.: Clinica Chimica Acta, 187, 131 (1987)<br></p>

<p>Applications 2,5,5-trimethyl-1,3-dioxane (cas# 766-33-6) is a useful research chemical.<br></p>

<p>Stability Moisture Sensitive<br>Applications L-Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. L-Cysteine is commonly used as a precursor in the food and pharmaceutical industries. L-Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours.<br>References Hui, N. et al.: Meat Sci. Appl., 74 (2001); Kiviharju, K. et al.: J. Biotechnol., 117, 299 (2005); Pecivova, P. et al.: J. Sci. Food Agric., 90, 1681 (2010);<br></p>

<p>Stability Hygroscopic<br>Applications Disodium UDP-glucose is a phosphorylated uridine derivative used in nucleotide sugars metabolism as an activated form of glucose as a substrate for the enzyme glucosyltransferases. It is used in the treatment of chronic alcoholism. It is used in characterization of limonoid glucosyltransferase.<br>References Spaggiari, G. et al.: Clin. Terap., 51, 137 (1969); Karim, M.R. et al.: Food Chem., 76, 431 (2002); Spaggiari, G. et al.: Clin. Terap., 51, 137 (1969); Karim, M.R. et al.: Food Chem., 76, 431 (2002);<br></p>

<p>Applications Demethyldihydrolanosterol, is a derivative of Lanosterol (L174580). It is also a sterol that activate oocyte meiosis.<br>References Byskov, A., et al.: Nature (London), 374, 559 (1995); Ma, L., et. al.: Food Chem., 139, 503 (2013);<br></p>

<p>Stability Hygroscopic<br>Applications A metabolite of the potent and selective inhibitor of HIV-1 replication, AZT.<br></p>

<p>Applications L-Alanine-d3 is the labeled analogue of L-Alanine (A481500), which is used to make in-vivo measurement of glucose and alanine metabolism in studies of patients with diabetes. L-Alanine is a non-essential amino acid for human development. L-Alanine is one of the 20 amino acids encoded by the genetic code.<br>References Bier, D.M. et al.: Diabetes, 26, 1005 (1977); Capaldo, B. et al.: J. Clin. Endocrinol. Metab., 71, 1220 (1990); Giacca, A. et al.: Diabetes, 47, 1763 (1998)<br></p>

<p>Applications L-3-Benzothienylalanine<br></p>

<p>Applications The Fluorescein Arsenical Hairpin Binder (FlAsH) method is presented for fluorescence labeling of proteins in living cells. Labeling proteins with the membrane-permeant fluorogenic biarsenical dye fluorescein arsenical hairpin binder-ethanedithiol (FlAsH-EDT2). The membrane-permeant fluorogenic biarsenicals FlAsH-EDT2 and ReAsH-EDT2 can be prepared in good yields by a straightforward two-step procedure from the inexpensive precursor dyes fluorescein and resorufin.<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 Gaietta, G., et al.: Science, 296, 503 (2002), Hoffmann, C., et al.: Nature Methods, 2, 171 (2005), Dyachok, O., et al.: Nature, 439, 349 (2006), Gautier, A., et al.: Chem. Biol., 15, 128 (2008),<br></p>

<p>Applications Novel acridinium esters are disclosed that are useful, either alone or when incorporated into liposomes, as chemiluminescent agents in binding assays.<br>References Bolt, H., et al.: Toxicol. Lett., 151, 251 (2004), Malhotra, S., et al.: Bioorg. Med. Chem. Lett., 20, 581 (2010), Natrajan, A., et al.: Anal. Biochem., 406, 204 (2010),<br></p>

<p>Applications Nisin Z Hydrochloride is a peptide antibiotic synthesized by Lactococcus lactis. Nisin Z interacts with lipid II, a lipid component of cell wall, to form pores in the plasma membrane.<br>References Kuipers, O. P., et al.: J. Biol. Chem. 270, 27299 (1995); Breukink, E., et al.: Science 286, 2361 (1999); Breukink, E., et al.: Biochemistry 36, 6968 (1997)<br></p>

<p>Applications 6-Carboxyfluorescein is a useful reagent for the preparation of hydrolytically stable fluorescent conjugates and is a useful starting material for the synthesis of other fluorescein-derived reagents. Dyes and metabolites.<br>References Theisen, P., et al.: Tetrahedron Lett., 33, 5033 (1992); Mattingly, P.: Bioconjgate Chem., 3, 430 (1992); Bertrand, R., et al.: Biochemistry, 34, 9500 (1995);<br></p>

<p>Impurity Ursodeoxycholic Acid EP Impurity D<br>Applications Ursocholic Acid (Ursodeoxycholic Acid EP Impurity D) is an Ursodeoxycholic Acid (U850000) impurity.<br>References Ward, A., et al.: Drugs, 1984, 27, 95 (1984), Sama, C., et al.: Clin. Drug Invest., 13, 192 (1997), Nobilis, M., et al.: J. Pharm. Biomed. Anal., 24, 937 (2001),<br></p>

<p>Applications Disperse Orange 3 is an azo disperse dye which is water insoluble. Disperse Orange 3 can be used to dye polyester and acetate fibers. Dyes and metabolites, Environmental Testing.<br>References Nishida, K., et al.: J. Soc. Dyers Colour., 105, 112 (1989); De Wael, K.: Sci. Justice, 52, 81 (2012)<br></p>