Composés deutérés

<p>Applications Labelled N-nitrosopiperazine derivative; shows strong nasal carcinogenicity and genotoxicity after low dose inhalation.<br>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),<br></p>

<p>Applications Dodecylbenzene-d5 is an intermediate used in the synthesis of PHT-427-d4 (Major) (P399157), which is a deuterated version of PHT-427 (P399158), a pleckstrin homology domain inhibitor to Akt and PKB Kinase (PDPK1).<br>References Lucero-Acuna, A., et al.: Int J Pharm, 494, 249 (2015)<br></p>

<p>Stability Volatile<br>Applications 2,​2,​3,​3,​3-​Pentafluoropropanoic Acid-13C is the labeled analogue of 2,​2,​3,​3,​3-​Pentafluoropropanoic Acid (P227235), which is used in the analysis of gentamicin with Gemini column by liquid chromatographic (LC) methods. It was also used to prepare [(R)-(amino)(oxo)(fluorophenyl)butyl]tetrahydro(fluoroethyl)-1,2,4-triazolo[4,3-a]pyrazine using (fluoro)propanoic acid.<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 Manyanga, V., et al.: J. Pharm. Biomed. Analysis, 45, 257 (2007); Kim, D., et al.: J. Med. Chem., 48, 141 (2005)<br></p>

<p>Applications Chlorpromazine-d6 Oxalate (N,N-dimethyl-d6) (CAS# 1276197-23-9) is a useful isotopically labeled research compound.<br></p>

<p>Stability Volatile<br>Applications The labelled version of Bromobenzene (B680145), used as a general reagent in palladium-catalyzed reactions and in the synthesis of Grignard reagents.<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 Miyaura, N. et al.: Synth. Commun., 11, 513 (1981); Nahm, S. et al.: Tetra. Lett., 22, 3815 (1981);<br></p>

<p>Applications Bentazon-d7 is deuterium labelled Bentazon (B120580), which is a herbicide.<br>References Ghirardello, D., et al.: Environ. Sci. Technol., 44, 9010 (2010), Frihauf, J., et al.: Weed Technol., 24, 262 (2010), Rotroff, D., et al.: Toxicol. Sci., 117, 348 (2010),<br></p>

<p>Applications Sodium DL-Lactate-2,3,3,3-d4 (60% w/w in H2O) (CAS# 344299-52-1) is a useful isotopically labeled research compound.<br></p>

<p>Stability Hygroscopic<br>Applications Lauroyl-L-carnitine-d3 Hydrochloride is labelled Lauroyl-L-carnitine (L178680) which is a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Lauroyl-L-carnitine can be diagnostic for a number of ß-oxidation defects.<br>References Ventura, F., et al.: Clinica Chimica Acta, 281, 1 (1999); Pourfarzam, M., et al.: Clinical Chem,, 40, 2267 (1994); Schaefer, J., et al.: Pediatric Res., 37, 354 (1995)<br></p>

<p>Applications Morpholine-d8 Hydrochloride is used as a reactant in the synthesis of Moclobemide-d8 (M481002), the labeled analogue of Moclobemide (M481000), a reversible monoamine oxidase inhibitor.<br>References Wiesel, F.A., et al.: Eur. J. Clin. Pharmacol., 28, 89 (1985), Burkard, W.P., et al.: J. Pharmacol. Exp. Ther., 248, 391 (1989)<br></p>

<p>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).<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 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),<br></p>

<p>Applications Diethanolamine similar to triethanolamine (T775580) is used as a surfactant. It also has the potential to be a corrosion inhibitor by means of chemisorption. This is the labelled analog.<br>References Bhajiwala, H.M et al.: Bull. Electrochem., 17, 441 (2001); Yu, J. et al.: Thin. Solid. Films., 379, 7 (2000);<br></p>

<p>Applications Butyric-3,3,4,4,4-d5 Acid (CAS# 156779-02-1) is a useful isotopically labeled research compound.<br></p>

<p>Applications n-Nonane-d20 (CAS# 121578-11-8) is a useful isotopically labeled research compound.<br></p>

<p>Applications cis-1,2,3,6-Tetrahydrophthalimide-3,3,4,5,6,6-d6 (CAS# 203578-24-9) is a useful isotopically labeled research compound.<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>Stability Hygroscopic<br>Applications (±)-Albuterol-d3 (3-hydroxymethyl-d2; alpha-d1) (CAS# 1219798-60-3) is a useful isotopically labeled research compound.<br></p>

<p>Applications 2-Methylnaphthalene-D10 is a labelled analogue of 2-Methylnaphthalene (M323130). 2-​Methylnaphthalene is a polycyclic aromatic hydrocarbon (PAH) that has been used as an indicator of smoke exposure in food and packaging materials.<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 Johnston, J.J., et. al.: J. Agr. Food Chem., 42, 1954 (1994)<br></p>

<p>Applications N-Acetylglycine-d5 is an isotopic analog of N-Acetyl-glycine (A178260), a derivative of Glycine (G615990). It is an intermediate used to synthesize rac 3-O-Methyl DOPA (M303805) which is an impurity of Levodopa.<br>References Tabar, et al.: Pharmacol. Biochem. Behav., 33, 139 (1989), De Souza Silva, et al.: J. Neurochem., 68, 233 (1997), Feigin, A., et al.: Neurology, 57, 2083 (2001), Perera, A., et al.: J. Labelled Comp. Radiopharm., 46, 389 (2003),<br></p>

<p>Stability Hygroscopic<br>Applications Decanoyl-L-carnitine-d3 Chloride is the isotope labelled analog of Decanoyl-L-carnitine Chloride (D212580); a metabolite of L-Carnitine (C184110) which is an essential cofactor of fatty acid metabolism. Also required for the transport of fatty acids through the inner mitochondrial membrane.<br>References Mitchell, M.E., et al.: Am. J. Clin. Nutr., 31, 293 (1978); Lango, R., et al.: Cardiovasc. Res., 51, 21 (2001); Vaz, F.M., et al.: Biochem. J., et al.: 361, 417 (2002); Karlic, H., et al.: Nutrition, 20, 709 (2004)<br></p>

<p>Stability No Data Avaialble<br>Applications 2-Chlorophenol (Ring-D4, 99%) was an analyte in a study looking to optimize ultrasonic extraction for efficient detection of polycyclic aromatic hydrocarbons (PAHs) in soil.<br>References Stankov Jovanovic, V., et al.: Anal. Lett., 50, 2491 (2017)<br></p>

<p>Applications Methyl-d3-triphenylphosphonium Bromide (CAS# 1787-44-6) is a useful isotopically labeled research compound.<br></p>

<p>Applications The active labelled component of the antifertility agent nicarbazin, in chicken, duck, and goose plasma.<br>References Polin, D., et al.: Poultry Sci., 35, 1367 (1956), Primus, T.M., et al.: J. Agric. Food Chem., 49, 3589 (2001),<br></p>

<p>Applications Labelled Resorcinol. A benzene derivative used as keratolytic and antiseborrheic. Also used in veterinary medicine as a topical antipruritic and antiseptic (has been used as intestinal antiseptic).<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 Labelled Bromoacetic Acid. Bromoacetic Acid is a relatively strong alkylating agent as well as a versatile building block used very commonly in organic synthesis. Bromoacetic acid has been shown to reversibly inhibit human erythrocyte carbonic anhydrase B.<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 Song, C. et al.: J. Org. Synth., 74, 8980 (2009); Kramer, S.P. et al.: J. Nat. Cancer Inst., 31, 297 (1963); Whitney, P.L. et al.: Eur. J. Biochem., 16, 126 (1970);<br></p>

<p>Applications A labelled thioxanthone derivative useful as photoinitiators.<br>References le Fur, Y., et al.: J. Agric. Food Chem., 47, 2860 (1999), Sanz, M., et al.: Food Chem., 84, 133 (2004), Herent, M., et al.: J. Pharm. Biomed. Anal., 43, 886 (2007),<br></p>

<p>Applications Labelled analogue of Hydrocinnamic Acid, a cinnamic acid derivative used in the compositions for the treatment of blood disorders using α-methylhydrocinnamic acid.<br>References Migliaccio, A., et al.: Blood, 76, 1150 (1990); McDonagh, K., et al.: J. Biol. Chem., 266, 11965 (1991);<br></p>

<p>Applications Labelled Creatinine. The end product of creatine catabolism. Normal constituent of urine. Also found together with creatine in muscle tissues and blood. Occurs in all soils and in grain seeds and other vegetable matter. Has been found in certain fish and in crab meat extract.<br>References Folin, et al.: J. Biol. Chem., 17, 463 (1914),<br></p>

<p>Applications The primary aroma compound of red raspberries, used in perfume compositions, shampoos, cosmetics and as a food additive.<br>References Aggarwal, S., et al.: Mol. Pharmacol., 69, 195 (2006), Beekwilder, J., et al.: Biotechnol. J., 2, 1270 (2007), Akiyama, M., et al.: J. Food Sci., 72, C388 (2007),<br></p>

<p>Applications Labelled O,O-Diethyl Dithiophosphate (D444265). Used in the synthesis of novel phosphorothioates and phosphorodithioates as cholinesterase inhibitor.<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 Millard, C., et al.: J. Neurochem., 64, 1909 (1995), Nicolet, Y., et al.: J. Biol. Chem., 278, 41141 (2003), Casida, J., et al.: Chem. Res. Toxicol., 17, 983 (2004),<br></p>

<p>Applications Tetraphenylstannane-d20 is an isotope labelled organometallic compound and an intermediate in the synthesis of isotope labelled Chlorotriphenylstannane (C4222525), a compound used in the synthesis of nano particles that bears triamide ligands.<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 Intermediate in the preparation of labelled Modafinil (M482500).<br>References Kumar, C., et al.: Eur. J. Med. Chem., 44, 1223 (2009),<br></p>

<p>Applications Regorafenib-d3 is the isotope labelled analog of Regorafenib (R143000); a compound that inhibits PDGFR tyrosine kinase with IC50=83nM and is useful for the treatment of inflammation. Also an anti-proliferative agent.<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 Leuner, C., et al.: Eur. J. Pharm. Biopharm., 50, 47 (2000)<br></p>

<p>Stability Light Sensitive<br>Applications Labelled Styrene (S687790). Used in the manufacturing plastics; synthetic rubber; resins; insulator.<br>References Meyer. H.J., et al.: Arzneim.-Forsch., 19, 617 (1969), Pahwa, R., et al.: Vet. Hum. Toxicol., 35, 516 (1993),<br></p>

<p>Stability Hygroscopic<br>Applications Ethanolamine-13C2 Hydrochloride is the labeled analogue of Ethanolamine (E676500), which is used in the preparation of various pharmaceutical compounds and inhibitors. Ethanolamine-13C2, is also a 13C-labeled lipid precursor, used for the detection of phospholipid metabolism and the synthesis of phosphatidylethanolamine in T47D human breast cancer cells.<br>References Ronen, S. M., et al.: Magnetic Resonance Med., 25, 384 (1992); Lombardo, L. et al.: J. Med. Chem., 47, 6658 (2004); Egan, T.: J. Med. Chem., 43, 283 (2000);<br></p>

<p>Stability Moisture Sensitive<br>Applications Isotope labelled Potassium Thiocyanate has been used as a catalyst in a one-pot reaction of dialkyl acetylenedicarboxylates with indane-1,3-dione. Potassium Thiocyanate has been used as a selective bacterial inhibitor to create ESS-3 broth to allow co-​enrichment of the target pathogens and suppress growth of some non-​target pathogens<br>References Hassanabadi, A., Zhiani, R., et. al.: J. Chem. Res., 37, 458 (2013); Zhang, Q., et. al.: Plant. Biotech., 29, 103 (2012)<br></p>

<p>Applications A labelled form of Pirimicarb (P508768) which is a pesticide which is useful in cannabis testing kits as a component of pesticide mixes (P698240).<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 Tsuchiyama, T.; et al.: Journal of Chromatography A, 1524, 233 (2017).<br></p>

<p>Applications Thiourea-13C is an isotope labelled version of Thiourea (T375450). Hyperpolarized Thiourea-13C is used as an analyte in the real-time in vivo detection of hydrogen peroxide.<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 Wibowo, Arif, et al.: ACS Chem. Bio., 12(7), 1737-1742 (2017)<br></p>

<p>Applications Metabolite of Salicylic Acid (S088125).<br>References Jurkowski, W., et al.: Current Drug Metab., 10, 448 (2009), Appeldoorn, M., et al.: J. Agric. Food Chem., 57, 7693 (2009), van Oijen, M., et al.: Pharmacol., 83, 237 (2009),<br></p>

<p>Applications Picolinafen-d4 is deuterium labelled Picolinafen (P436800), a pesticide. It is a molecule for selective post emergence weed control in wheat and barley.<br>References Wang, J., et al.: Anal. Bioanal. Chem., 396, 1513 (2010); Sinclair, C., et al.: Environ. Sci. Technol., 40, 7283 (2006); Magnani, D., et al.: Atti, Giornate fitopatologiche, Perugia, 2, 405 (2000)<br></p>

<p>Stability Volatile<br>Applications 2-Pentylfuran-d11 is the labeled analogue of 2-Pentylfuran (P284953), a volatile compound that is detected in meat smoke aerosol, rice aroma and tomato paste volatiles.<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 Rogge, W., et al.: Environ. Sci. Technol., 25, 1112 (1991); Buttery, R., et al.: J. Agric. Food Chem., 36, 1006 (1988); Buttery, R., et al.: J. Agric. Food Chem., 38, 336 (1990);<br></p>

<p>Applications Advantame-D3 is a labelled analogue of Advantame (A307000(M)), which is a combination of Aspartame (A790015) and Vanillin (V097500). Advantame was developed as a high-intensity, low calorie sweetener that is 20,000 times sweeter than sucrose.<br>References Bloomgarden, Z.: Diabetes Care, 34, e46 (2011); Otabe, A., et al.: Food Chem. Toxicol., 49, S49 (2011); Renwick, A.: Food Chem. Toxicol., 49, S1 (2011)<br></p>

<p>Applications Bezafibrate-d4 (cas# 1189452-53-6) is a compound useful in organic synthesis.<br></p>

<p>Applications Labelled Norflurazon (N684500). Pesticide.<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 El-Nahhal, Y., et al.: J. Agric. Food Chem., 46, 3305 (1998),<br></p>

<p>Applications Biochemical tool for selective reduction of disulfide bridges at low pH; reductant for redox assay.<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 Neuburger, M., et al.: Eur. J. Biochem., 267, 2882 (2000), Krijt, J., et al.: Clin. Chem., 47, 1821 (2001), Yen, T.-Y., et al.: J. Mass Spectrom., 37, 15 (2002),<br></p>

<p>Applications D-Tyrosine-d2 is deuterium labelled D-Tyrosine (T899970). D-Tyrosine, the stereoisomer to L-Tyrosine (T899975), is an amino acid used in various organic syntheses for antibiotics. It is used in the synthesis of (-)-anisomycin, as well as BATSI (boronic acid transition state inhibitors) which act on β-lactamases. It has also been studied as an inhibitor of microbial growth on surfaces, reducing microbial attachment to hydrophillic glass and hydrophobic polypropylene surfaces.<br>References Li, Ji. et al.: Chin. Chem. Lett., 23, 647 (2012); Xu, H. et al.: Water Res., 45, 5796 (2011); Ke, W. et al.: Antimicrob. Agents Chemother., 55, 174 (2011)<br></p>

<p>Applications Labelled Sulfamonomethoxine. Protein binding. Inhibitor of enzyme. Sulfamonomethoxine and Trimethoprim are used for treating porcine unknown hyperpyrexia.<br>References Bridges, et al.: Biochem. J., et al.: 96, 829 (1965), Hong, Y.-L., et al.: Antimicrob. Agents Chemother., 39, 1756 (1995)<br></p>

<p>Applications Decanoyl-10,10,10,d3-L-carnitine Chloride is the isotope labelled analog of Decanoyl-L-carnitine Chloride (D212580); a metabolite of L-Carnitine (C184110) which is an essential cofactor of fatty acid metabolism. Also required for the transport of fatty acids through the inner mitochondrial membrane.<br>References Mitchell, M.E., et al.: Am. J. Clin. Nutr., 31, 293 (1978); Lango, R., et al.: Cardiovasc. Res., 51, 21 (2001); Vaz, F.M., et al.: Biochem. J., et al.: 361, 417 (2002); Karlic, H., et al.: Nutrition, 20, 709 (2004)<br></p>

<p>Applications Isotope Labelled 1-Nitrosopyrrolidine (N545950), which is one of the N-nitroso compounds (NOCs) implicated in human colon carcinogenesis, but the toxicological mechanisms involved have not been elucidated. Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.<br>References 1. Singer, S. et al.: J. Med. Chem. 1985 Aug;28(8):1088-93.2. Tomatis, L. et al.: Carcinogenesis. 1997 Jan;18(1):97-105.3. Helguera, A. et al.: Toxicol Appl Pharmacol. 2007 Jun 1;221(2):189-202.<br></p>

<p>Applications Isosilybin A+B mixture - d3 is the isotope labelled mixture of Isosilybin A and Isosilybin B. Isosilybin (I901000) is useful in the treatment of liver disease.<br>References Parthasarathy, M.R., et al.: Phytochemistry, 18, 506 (1979),<br></p>

<p>Applications Labelled Isopropylparaben. An antimicrobial agent used in cosmetic products.<br>References Gilliland, D., et al.: J. Appl. Bacteriol., 72, 258 (1992), Routledge, E., et al.: Toxicol. Appl. Pharmacol., 153, 12 (1998), Miller, C., et al.: J. Biol. Chem., 272, 32824 (1997), Nakagawa, Y., et al.: Biochem. Pharmacol., 55, 1907 (1998),<br></p>

<p>Applications iso-Propyl 4-Hydroxybenzoate-2,3,5,6-d4 (CAS# 1219798-72-7) is a useful isotopically labeled research compound.<br></p>

<p>Stability Hygroscopic<br>Applications Isovaleryl L-Carnitine-d9 Chloride is labelled Isovaleryl L-Carnitine Chloride (I917580) which is used to prepare carnitine benzyl esters as neuroprotectant prodrugs.<br>References Gong, X., et al.: J. Chem. Res., 6, 327 (2008)<br></p>

<p>Applications Labelled Tetraglyme. It is used as a solvent.<br></p>

<p>Applications Labelled Ethylparaben. An antimicrobial agent used in cosmetic products.<br>References Gilliland, D., et al.: J. Appl. Bacteriol., 72, 258 (1992), Routledge, E., et al.: Toxicol. Appl. Pharmacol., 153, 12 (1998), Miller, C., et al.: J. Biol. Chem., 272, 32824 (1997), Nakagawa, Y., et al.: Biochem. Pharmacol., 55, 1907 (1998),<br></p>

<p>Applications 2,5-Furandicarboxylic Acid-13C6 is isotopically labelled analogue of 2,5-Furandicarboxylic Acid (F863750), which is Furan (F863650) derivative that can be produced from biomass derived sugars using catalytic processes.<br>References Tong, X., et al.: Appl. Catal., A, 385, 1 (2010);<br></p>

<p>Applications iso-Butyl 4-Hydroxybenzoate-2,3,5,6-d4 (CAS# 1219805-33-0) is a useful isotopically labeled research compound.<br></p>

<p>Stability Hygroscopic<br>Applications Ethylamine Hydrochloride-d3 is the isotope labelled analog of Ethylamine Hydrochloride (E898290); a chemical used in various chemical organic syntheses and biological studies.<br>References Miller, M.M. et al.: Bioorg. Med. Chem. Lett., 22, 6503 (2012); Yasui, K. et al.: Prot. Sci., 19, 486 (2010)<br></p>

<p>Applications 4-Dimethylaminosulfotoluidide-d7 is an isotope labelled intermediate in the synthesis of Tolylfluanide (T536730), a polyvalent sulfamide fungicide that is closely related to dichlofluanide.<br>References Wainwright, A. et al.: Bright. Crop Prot. Conf. Pests Dis., 1, 275 (1996)<br></p>

<p>Applications N-Methyl-N-nitroso Urea-d6 is the labelled form of N-Methyl-N-nitroso Urea (M325815), which is a precursor of Diazomethane. It has a cytotoxicity effect.<br>References Huggins, C., et al.: J. Exp. Med., 131, 321 (1970); Gullino, P.M., et al.: J. Natl. Cancer Inst., 54, 401 (1975)<br></p>

<p>Applications Fenpropidin-d10 is the labeled analogue of Fenpropidin (F249470), a fungicide.<br>References Leroux, P. Walker, A.: Eur. J. Plant Path., 135, 683 (2013); Zhao, H., et. al.: Ecotox. Environ. Safe., 77, 52 (2012)<br></p>

<p>Applications A labelled chloropropanol which shows toxic effects.<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 Andersen, H., et al.: Toxicology, 136, 67 (1999), Fry, J., et al.: Food Chem. Toxicol., 37, 351 (1999), Garle, M., et al.: Xenobiotica, 29, 533 (1999),<br></p>

<p>Applications n-Pentyl 4-Hydroxybenzoate-2,3,5,6-d4 (CAS# 1219798-66-9) is a useful isotopically labeled research compound.<br></p>

<p>Applications 4,5-Dimethyl-3-hydroxy-2(5H)-furanone-13C2 is a labelled analogue of 4,5-Dimethyl-3-hydroxy-2(5H)-furanone (D473600). 4,5-Dimethyl-3-hydroxy-2(5H)-furanone is a fragrant compound that is a key indicator of maple syrup urine disease, a disorder affecting newborn children that is the result of its inability to properly metabolize Valine (V094205), Leucine (L330110) and Isoleucine (I820175). 4,5-Dimethyl-3-hydroxy-2(5H)-furanone is naturally found in fenugreek seeds, and is an odourant present in sherry wines.<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 Blank, I., et al.: Prog. Flav. Prec. Stud., No vol. given, 103 (1993); Guerra, P. &amp; Yaylayan, V.: J. Agr. Food Chem., 59, 4699 (2011); Mackenzie, D. &amp; Woolf, L.: Brit. Med. J., 1, 90 (1959); Podebrad, F., et al.: J. Inh. Metab. Dis., 22, 107 (1999)<br></p>

<p>Applications Choline-d13 Chloride (N,N,N-trimethyl-d9; 1,1,2,2-d4) (CAS# 352438-97-2) is a useful isotopically labeled research compound.<br></p>

<p>Applications N-Boc-piperazine-d8 is a useful synthetic intermediate for the preparation of labelled compounds.<br></p>

<p>Applications o-Anisidine is a highly toxic environmental pollutant and digestive system carcinogen. It is also a toxin that has been identified to be present in cigarettes.<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 Coggins, C.R.E. et al.: Inhal. Toxicol., 23, 41 (2011); Dracinska, H. et al.: Neuroendorinol. Lett., 27, 9 (2006); Naiman, K. et al.: Neuroendocrinol. Lett., 31, 36 (2010);<br></p>

<p>Applications A labelled form of Fenoxycarb (F248870), a carbamate insect growth regulator by preventing immature insects from reaching maturity by mimicking juvenile hormone. Used as a standard for Pesticide detection. Fenoxycarb is also used in cannabis testing kits as a component of pesticide mixes (P698235).<br>References El-Saeid, M.H., et al.: J. Chem., 10, (2013); Coors, A., et al.: Environ. Toxicol. Chem., 31, 1239 (2012);<br></p>

<p>Applications Isotope labelled Melamine (M208703), which forms synthetic resins with formaldehyde. It remains largely non-metabolized in male Wistar rats with 90% of the administered dose excreted in the urine (1,2) and thus acts as a non-protein nitrogen food additive found in milk (3). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.<br>References 1. Mast, R. et al.: Food Chem Toxicol. 1983 Dec;21(6):807-10.2. Smith, J. et al.: Toxicol Appl Pharmacol. 1994 Apr;125(2):296-308.3. Anirudhan, T. et al.: Food Chem. 2017 Jul 15;227:85-92.<br></p>

<p>Applications 4-Chlorophenylamine-13C6 (cas# 89059-39-2) is a compound useful in organic synthesis.<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-Methyl-d3-pyridine (CAS# 10259-19-5) is a useful isotopically labeled research compound.<br></p>

<p>Applications Labelled Folpet (F402000). Agricultural fungicide.<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 Cohen, S., et al.: Crit. Rev. Toxicol., 40, 531 (2010), Wong, J., et al.: J. Agric. Food Chem., 58, 5884 (2010),<br></p>

<p>Stability Air Sensitive<br>Applications 2,4-Xylidine-d6 is labelled 2,4-Xylidine (X749690) which is an aniline derived chemical reagent used in the synthesis of antiarrhythmic compounds. It is also used as a reactant in the synthesis of anticonvulsants.<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 Kalinin, D. et al.: Eur. J. Med. Chem., 63, 144 (2013); Ragavendran, J. et al.: Eur. J. Med. Chem., 42, 146 (2007);<br></p>

<p>Applications Cyclohexanone-d10 is the isotope labelled analog of Cyclohexanone (C987980). Cyclohexanone, is an intermediate in the synthesis of CCNU, an effective antitumor agent.<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 Farmer, P.B., et al.: J. Med. Chem., 21, 514 (1978);<br></p>

<p>Applications Labelled Disulfiram. It is used as rubber accelerator; vulcanizer; seed disinfectant; fungicide; alcohol deterrent.<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 Child, C., et al.: Acta Pharmacol. Toxicol., 8, 305 (1952), Nash, N.G., et al.: Anal. Profiles Drug Subs., 4, 168 (1975),<br></p>

<p>Applications 1,3,5-Tribromobenzene-d3 (CAS# 52921-77-4) is a useful isotopically labeled research compound.<br></p>

<p>Applications Labelled Hydroxyurea. An anti-neoplastic - inhibits ribonucleoside reductase and DNA replication. A potential therapy for sickle cell anemia which involves the nitrosylation of sickle cell hemoglobin. Horseradish peroxidase catalyzes nitric oxide formation from hydroxyurea in the presence of hydrogen peroxide.<br>References Ratcliffe, W., et al.: Lancet, 339, 164 (1992), Roodman, G., et al.: Cancer, 80, 1557 (1997), Horwitz, M., et al.: J. Clin. Endocrinol. Metab., 2003, 88, 1603 (2003),<br></p>

<p>Stability Hygroscopic, Moisture Sensitive<br>Applications Labelled Sodium Borohydride used as a reagent used to prepare α,α-dideutero-β-amino acids. Sodium Borohydride-d4 is also used to prepare amine-stabilized, deuterated borane-THF.<br> E0<br>References Todd, R.C. et al.: Tetrahedron Lett., 48, 2335 (2007); Synthesis, 4013, (2006);<br></p>

<p>Applications Catechol-d4 (cas# 103963-58-2) is a compound useful in organic synthesis.<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 Isotope labelled Nitrobenzene (N493000), used mainly in the production of the chemical precursor aniline as well as in azobenzene synthesis (1). Also may be reduced through magnetic iron oxide nanocrystals (2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.<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. Yadav, G. et al.: Chem. Eng. J. 2013 Aug:221(1) pp500-5112. Cantillo, D. et al.: J. Org. Chem. 2013 May 3;78(9):4530-42.<br></p>

<p>Applications Propanoic-13C3 Acid is labelled Propionic Acid (P786360) which is used in the synthesis of novel inhibitors of signal transducer and activator of transcription 3 signaling pathway in the potential treatment of human cancers. In addition it is used in the synthesis of morphans.<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 Zhang, M. et al.: Eur. J. Med. Chem., 62, 301 (2013); Bradshaw, B. et al.: Org. Lett., 15, 2458 (2013)<br></p>

<p>Applications Has a mutagenic potency<br>References Cash, G., et al.: Mutat. Res., 491, 31 (2001), Cash, G., et al.: Environ. Toxicol. Chem., 21, 2095 (2002), Glende, C., et al.: Mutat. Res., 515, 15 (2002),<br></p>

<p>Applications Labelled Propafenone (P757500) impurity.<br>References Kitagawa, S., et al.: Biol. Pharm. Bull., 29, 1 (2006), Boccard, J., et al.: Eur. J. Pharm. Sci., 36, 254 (2009)<br></p>

<p>Applications Ethyl Paraben-d4 is the labeled analogue of Ethyl Paraben (E925475), an antimicrobial agent used in cosmetic products.<br>References Gilliland, D., et al.: J. Appl. Bacteriol., 72, 258 (1992), Routledge, E., et al.: Toxicol. Appl. Pharmacol., 153, 12 (1998), Miller, C., et al.: J. Biol. Chem., 272, 32824 (1997), Nakagawa, Y., et al.: Biochem. Pharmacol., 55, 1907 (1998),<br></p>

<p>Applications Labelled glycerol kinase substrate specificity.<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 Castro, C., et al.: Biochemistry, 7, 3213 (1968), Janssen, D., et al.: Eur. J. Biochem., 171, 67 (1988), Kurihara, T., et al.: J. Biochem., 117, 1317 (1995),<br></p>

<p>Applications Thiodiglycolic Acid-d4 acts as a reagent for the synthesis of metabolites of S-carboxymethyl-L-cysteine and S-methyl-L-Cysteine and of some isotoically labelled (2H, 13C) analogs.<br>References Meese, C. O., et al.: Archiv der Pharmazie, 323, 957 (1990)<br></p>

<p>Applications A labelled metabolite of a mixed disulfide S-(N,N-diethyldithiocarbamoyl)-N-acetyl-L-cysteine (AC-DDTC), an antimutagenic mixed disulfide from disulfiram.<br>References Madan, A., et al.: Drug Metab. Dispos., 23, 1153 (1995), Lambert, D., et al.: J. Med. Chem., 48, 5059 (2005), Tsuboi, K., et al.: J. Biol. Chem., 280, 11082 (2005),<br></p>

<p>Applications Isotope labelled 5,6-Dihydrothymine is a derivative of Thymine, a nucleobase in the nucleic acid of DNA. 5,6-Dihydrothymine is a radiolysis product of DNA.<br>References Hubbard, K. et al.: Biochemistry, 28, 4382 (1989); Cadet, J. et al.: Int. J. Rad. Biol. Rel. Stud. Phys. Chem. Med., 39, 119 (1981);<br></p>

<p>Applications Labelled Benzylparaben. An antimicrobial agent used in cosmetic products.<br>References Gilliland, D., et al.: J. Appl. Bacteriol., 72, 258 (1992), Routledge, E., et al.: Toxicol. Appl. Pharmacol., 153, 12 (1998), Miller, C., et al.: J. Biol. Chem., 272, 32824 (1997), Nakagawa, Y., et al.: Biochem. Pharmacol., 55, 1907 (1998),<br></p>

<p>Stability Volatile<br>Applications Ethyl Acetate-d8 is the labeled version of Ethyl Acetate and it can be used in technical or engineered material use in highly concentrated electrolyte as a low-​cost solvent for in situ neutron diffraction measurements of Li-​ion battery electrodes. It can also be used in biological study for volatile compounds from grape skin, juice and wine from five interspecific hybrid grape cultivars grown in Quebec (Canada) for wine production.Environmental contaminants; Food contaminants<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 Petibon, R., et al.: Electrochim Acta, 174, 417-423 (2015); Slegers, A., et al.: Molecules, 20, 10980-11016 (2015)<br></p>

<p>Applications Tris(2-butyloxyethyl)phosphate-d27 is the isotope analog of Tris(2-butyloxyethyl)phosphate. Tris(2-butyloxyethyl)phosphate,is an organophosphate, that can be used in the preparation of flame retardant, such as viscose fiber.<br>References Wang, Y., et al.: Fangzhi Xuebao, 33, 16 (2012); Xiaoshan, L. et al.: Aquatic Toxicology, 114, 173 (2012);<br></p>

<p>Applications Ethyl-d5 Butyrate is the labeled analogue of Ethyl Butyrate (E900690), which is used in the preparation of novel 2-cyanopyrimidines as cathespin K inhibitors. Also used in the synthesis of pyridobenzimidazole derivatives exhibiting antifungal activity by the inhibition of β-1,6-glucan.<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 By Rankovic, Z. et al.: Bioorg. Med. Chem. Lett.,, 20, 1524 (2010); Takeshita, H. et al.: Bioorg. Med. Chem. Lett., 20, 3893 (2010)<br></p>

<p>Applications Isotope labelled Maltol (M160130), a fragrance molecule used in flavor enhancers and fragrances.<br>References Gohil, V., et al.: Nat. Biotechnol., 28, 249 (2010), Huang, Y., et al.: J. Food Sci., 75, C121 (2010), Tsuji, H., et al.: J. Food Sci., 75, C79 (2010),<br></p>