Miscellaneous Organic Molecules with Isotopical Substitutions

Applications Post-emergence sulfonylurea herbicide. Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Gubbiga, N.G., et al.: Weed Technol., 9, 574 (1995), Ukrainczyk, L., et al.: J. Agric. Food Chem., 43, 855 (1995)

Applications 2'-Deoxyuridine-1',2',3',4',5'-13C5 is the isotope labelled analogue 2’-Deoxyuridine (D288010), an uridine (U829910) derivative as therapeutic agent for treating allergy, cancer, infection and autoimmune disease. References Fu, M., et al.: J. Biol. Chem., 271, 9982 (1996), Thornalley, P., et al.: Biochem. J., et al.: 344, 109 (1999), Munter, T., et al.: Chem. Res. Toxicol., 15, 1549 (2002)

Applications Labelled N-nitrosopiperazine derivative; shows strong nasal carcinogenicity and genotoxicity after low dose inhalation. References Sabadie, N., et al.: Cancer Res., 40, 119 (1980), Kuchenmeister, F., et al.: Toxicol. Lett., 88, 29 (1996), Mathison, B., et al.: Mutat. Res., 380, 77 (1997),

Applications A phthalate labelled metabolite with genotoxic effect. References Reyes, F., et al.: J. Clin. Endocrinol. Metab., 37, 74 (1973), Engel, S., et al.: Neurotoxicology, 30, 522 (2009),

Applications L-Glutamic-2,4,4-d3 Acid (CAS# 203805-84-9) can be used for rapid and sensitive quantitation of amino acids in malaria biological samples using LC-EI/MS. It can also be used to determine thyroxine levels in blood samples using mass spectrometry. References Armenta, J.et.al., Anal.Chem., 82,548-5548,(2010); Chace, D., et.al., U.S. Pat. Appl Publ., 10,(2008);

Applications Deuterium labelled form of acetophenone, a reagent used in the production of fragrances and resin polymers. Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Perez, D., et al.; Bioorg. Med. Chem., 17, 6914 (2009), Giet, J., et al.: J. Agric. Food Chem., 57, 6787 (2009), Dimoula, K., et al.: Biotechnol. J., 4, 712 (2009),

Applications Isotope labelled Diethylene Glycol (D444285), is an starting material in the manufacture of unsaturated polyester resins and plasticizers. References Hyun, S.H., et al.: J. MIcrobiol. Biotechnol., 23, 47 (2013);

Applications Labelled analogue of Chlorocholine Chloride, a plant growth regulator that is primarily used on ornamental plants. References Pinto, A.C.R. et al.: Acta Horticult., 683, 399 (2005); Gu, Z. et al.: Hun. Nong. Dax. Xueb., 35, 383 (2009); Xing, S. et al.: J. Med. pLant Res., 5, 1962 (2011);

Applications Trenbolone Enanthate is an analog of Trenbolone (T719000), a controlled substance (anabolic steroid). This is the labeled analog. References Schanzer, W., et al.: Clin. Chem., 42, 1001 (1996), Kicman, A., et al.: Br. J. Pharmacol., 154, 502 (2008), Fragkaki, A., et al.: Steroids, 74, 172 (2009),

Applications N-Acetyl-L-glutamic-2,3,3,4,4-d5 Acid is the deuterium labelled form of N-Acetyl-L-glutamic Acid (A178255), which is the N-Acetyl analogue of the non-essential amino acid L-glutamic acid (G596960). N-Acetyl-L-glutamic Acid activates carbamoyl phosphate synthetase in the urea cycle. References Saheki, T. et al.: J. Biochem., 77, 659 (1975); Rivas, J. et al.: Acta Biol. Med. Ger., 36, 1673 (1977); Zollner, H.: Biochim. Biophys. Acta, 676, 170 (1981);

Applications 4-Ethylphenyl-d4 Sulfate Potassium Salt is the isotope labelled analog of 4-Ethylphenyl Sulfate Potassium Salt (E925865); a newly identified uremic substance. References Kaori, K., et al.: J. Chromatogr. B, 878, 2997 (2010)

Applications Sugammadex Sodium-deuterated, is the labaled analogue of Sugammadex Sodium (S698100), which is the first in a class of drugs called selective relaxant binding agents that offers improved termination of the paralytic effects of neuromuscular blocking agents and may have many potential peri-operative benefits. References Welliver, M., et al.: Drug Des. Devel. Ther., 2, 49 (2008);

Applications n-Pentylbenzene-2,3,4,5,6-d5 (CAS# 68639-73-6) is a useful isotopically labeled research compound.

Applications Lazbelled analogue of Acetone 2,4-Dinitrophenylhydrazone, a dinitrophenylhydrazone (DNPH) derivative of an aliphatic ketone found in mainstream cigarette smoke. Acetone 2,4-Dinitrophenylhydrazone showed inhibitory activity towards soybean lipoxygenase and renal prostaglandin synthetase. References Delgado, B. et al.: J. Liq. Chrom. Rel Technol., 31, 361 (2008); Miller, J.H. et al.: J. Chrom. Sci., 48, 12 (2010); Baumann, J. et al.: Agents Act., 12, 360 (1982);

Stability Temperature Sensitive Applications 2-Linoleoyl-rac-glycerol-d5 is labelled 2-Linoleoyl-rac-glycerol (L467960) which is a fatty acid monoglycerides in vegetable oils with medium unsaturation. References Compton, D., et al.: J. Pharmacol. Exp. Ther., 277, 586 (1996); Devane, W., et al.: Science, 258, 1946 (1992)

Applications Unlabeled Taurohyodeoxycholic Acid (T007900) is a bile acid which stimulates the flow of bile salts, for potential treatment of Irritable Bile Syndrome. References Gnewuch, C., et al.: World J. Gastroenterol., 15, 3134 (2009), Yu, B., et al.: J. Nat. Prod., 72, 24 (2009), Lim, S., et al.: Int. J. Cancer, 126, 1582 (2010),

Applications Labelled Nicotinic acid. It is a precursor of the coenzymes NAD and NADP. Widely distributed in nature; appreciable amounts are found in liver , fish, yeast and cereal grains. Dietary deficiency is associated with pellagra. The term “niacin” has also been applied to nicotinamide or to other derivatives exhibiting the biological activity of nicotinic acid. Vitamin (enzyme cofactor).A representative lot contains >20% d4. References Darby, W.J., et al.: Nutr. Rev., 33, 289 (1975), Black, A., et al.: Eur. J. Clin. Nutr., 54, 395 (2000), Cole, T., et al.: Br. Med. J., 320, 1240 (2000), Forshee, R., et al.: J. Nutr., 134, 2733 (2004),

Applications Labelled 6-OH-Monopropylheptylphthalate is a phthalate metabolite originating from a DPHP (B523500) used in plasticizers to improve chemical and physical properties. References Kasper-Sonnenberg, M. et al.: Int. J. Hyg. Env. Health, 215, 373 (2012); Koch, H. et al.: Int. J. Hyg. Env. Health, 214, 188 (2011);

Applications Labelled N-[4-(4-Fluorophenyl)-5-formyl-6-(1-methylethyl)-2-pyrimidinyl]-N-methyl-methanesulfonamide (F595365). Rosuvastatin intermediate.

Stability Hygroscopic Applications Labelled Atropine. Mydriatic; antispasmodic; used in preanesthetic medication. Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Brown, R.V., et al.: Br. J. Pharmacol., 15, 170 (1960), Shutt, L.E., et al.: Anaesthesia, 34, 476 (1979), Hinderling, P.H., et al.: J. Pharm. Sci., 74, 703 (1985),

Applications isotope labelled Dibenzyl Phthalate is an plasticizer used in toys that was found to exhibit potential estrogen agonist/ antagonist properties. References Zhang, Z.B., et al.: Toxicol. Lett., 207, 7 (2011); Mentlein, R., et al.: BIochem. Pharma., 38, 3126 (1989);

Stability Air Sensitive Applications o-Phthalaldehyde is the aldehyde analogue of pthalic acid and is commonly used as a reagent in amino caid analysis. Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Kand'ar, R. et al.: Clin. Chem. Lab. Med., 47, 365 (2009); Church, F.C. et al.: Anal. Biochem., 146, 343 (1985);

Applications Indole-4,5,6,7-d4 is a labelled analogue of Indole (I577320), which can be used in perfumes and in the synthesis of tryptophan. It is also an intermediate in synthesizing Indoleacetic Acid-13C6 (I577343), which has the potential to be used in anti-cancer therapy in conjunction with horseradish peroxidase (HRP). Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Kawano, T. et al.: Gen. Hypo. 60, 664 (2003);

Applications Phthalic Acid-d4 Mono-tetrahydrogeranyl Ester is the isotope analog of Phthalic Acid Mono-tetrahydrogeranyl Ester. Phthalic Acid Mono-tetrahydrogeranyl Ester is used in biological studies for the determination of total phthalates in urine by isotope-dilution liquid chromatography tandem-mass spectrometry of phthalic acid in human urine after acid hydrolysis of metabolite mixture. References Kat0, K., et al.: J. Chromaogr., B: Anal. Technol. Biomed. Life Sci., 814, 355

Applications Labelled analogue trans-1,2-Dihydroxy-1,2-dihydronaphthalene, a metabolite of Naphthalene. References Sun, Y. et al.: Arch. Toxicol., 80, 280 (2006); Cho, T. et al.: Drug Metab. Drug Interact., 22, 235 (2007); Iwamoto, N. et al.: J. Biol. Chem., 282, 33396 (2007);

Applications L-Xylose is part of the chemical profile of a polysaccharide extracted in aquatic life that shows anti-viral activites against herpes simplex virus 1 & 2 as well as influenza A virus. This is the L-[13C5]Xylose labeled analog. References Lee, J.B. et al.: Biol. Pharm. Bullet., 29, 2135 (2006);

Applications A useful synthetic intermediate in the preparation of pharmaceuticals.

Applications Isotope labelled analog of Yangonin (Y100550), a lactone isolated from the Kava plant (Piper methysticum). The active constituents of Kava are a group of approx. 18 compounds collectively referred to as kavalactones or kava pyrones. Kawain, dihydrokawain, methysticin, dihydromethysticin, yangonin, and desmethoxyyangonin are the six major kavalactones. Kava beverages and other preparations are known to be anxiolytic and are used for anxiety disorders. Dietary supplements containing the root of the kava shrub have been implicated in several cases of liver toxicity in humans, including several who required liver transplants after using kava supplements. References Keledjian, J., et al.: J. Pharm. Sci., 77, 1003 (1988), Clouatre, D., et al.: Toxicol. Lett., 150, 85 (2004), Mathews, J., et al.: Drug Metab. Dispos., 33, 1555 (2005), Clayton, N., et al.: Exp. Toxicol. Pathol., 58, 223 (2007),

Applications D-(+)-Trehalose is a disaccharide composed of two α-glucose units. D-(+)-Trehalose is used in many processed foods as well as in biopharmaceutical monoclonal antibody formulations. D-(+)-Trehalose is also used as a protein stabilize. This is the labeled analog. References Bosquillon, C. et al.: J. Cont. Rel., 99, 357 (2004); Arakawa, T. et al.: Adv. Drug Deliv. Rev., 46, 307 (2001); Singh, S.K. et al.: Pharmac. Res., 28, 873 (2011);

Applications 1-Methyl Adenosine-d3 is the isotope labelled analog of 1-Methyl Adenosine (M285065); a modified adenosine molecule created through the processing of tRNA by methyltransferases. The presence seen to be elevated in the urinary excretion of cancer patients. Thus it may be an early diagnosis biomarker. References Wu, Q. et al.: Anal. Chem., 86, 10122 (2014); Puri, P. et al.: Mol. Microbiol., 93, 944 (2014)

Applications Labelled Chrysene (C428000). Chrysene occurs in coal tar. Is formed during distillation of coal, in very small amount during distillation or pyrolysis of many fats and oils. Chrysene is one of the basic polycyclic aromatic hydrocarbon (PAH) which is toxic environmental pollutant and consistently exposed to sunlight. However, little information is available on its photogenotoxicity.  The objective of the present study was to analyze the effects of Chrysene, under environmental intensity of UVB (0.6 mW/cm2) in human skin epidermal cell line (HaCaT). Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Anderson, D., et al.: Mutat. Res., 307, 261 (1994), Diamond, S., et al.: Environ. Toxicol. Chem., 25, 3015 (2006), Fotakis, G., et al.: Toxicol. Lett., 160, 171 (2006),