Deuterated Compounds

<p>Applications Labelled Hydrochlorothiazide (H714560). Hydrochlorothiazide is a carbonic anhydrase inhibitor as a diuretic.<br>References Piala, J.J., et al.: J. Pharmacol. Exp. Ther., 134, 273 (1961), Deppeler, H.P., et al.: Anal. Profiles Drug Subs., 10, 405 (1981),<br></p>

<p>Applications A labelled active ingredient formulation to prepare agrochemicals and drugs in amorphous form.<br>References Blair, A.M., et al.: J. Agr. Sci., 139, 385 (2002),<br></p>

<p>Applications Labelled Hydrazine Hydrate, used as a reactant in the cyclizations of pyridinones. It is also used in the study of nanocrystal semiconductors, participating in the functionalization and passivation of surface states.<br> E0<br>References Smolyar, N. et al.: Rus. J. Org. Chem., 44, 1205 (2008); Traub, M. et al.: J. Am. Chem. Soc., 130, 955 (2008);<br></p>

<p>Applications Butyric-2,2-d2 Acid (CAS# 19136-92-6) is a useful isotopically labeled research compound.<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 Octopamine (O239750). A biogenic amine that is the phenol analog of Noradrenaline. It is a neurosecretory product found in several vertebrates and invertebrates. Adrenergic.<br>References Pisano, et al.: Biochim. Biophys. Acta., 43, 566 (1960), Breen, C.A., et al.: Nature, 303, 716 (1983)<br></p>

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

<p>Applications Labelled Trimethylsulfoxonium Iodide (T797500). Used to synthesize methylene-transfer reagents that are used in the preparation of epoxides.<br>References Bravo, P. et al.: Gaz. Chim. Ital., 11, 501 (1986); Okuma, K. et al.: Fuk. Daig. Rig. Shuho, 20, 83 (1990)<br></p>

<p>Applications Indole-3-Acetic-d2 Acid (cas# 24420-86-8) is a useful research chemical.<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 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 Isotope labelled Phosphoric Acid Tributyl Ester is used as a solvent in the solvent-detergent method for production of immunoglobulin for inactivation of viruses with lipid envelope on the model of duck hepatitis B virus. It is also used as a ligand in the extraction of lanthanide ions from solid and liquid materials by supercritical CO2.<br>References Zubkova, N., et al.: Bull. Exp. Biol. Med., 155, 821 (2013); Lin, Y., et al.: Anal. Chem., 66, 1971(1994)<br></p>

<p>Applications Isotope labelled Triglycidyl isocyanurate is a reagent used in the synthesis of N-Benzyl Metaxalone (B285000), which is a muscle relaxant used to relax muscles and relieve pain.<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 Toth, P.E., et al.: Clin. Ther., 26, 1355 (2004)<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 Labelled Triglyme. It is used as a solvent.<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>Applications Suberyl glycine-d4 is deuterium labelled Suberylglycine (S688755), which is one of the acylglycines, an important class of metabolites that have been used in the diagnosis of several inborn errors of metabolism (IEM).<br>References Costa, C., et al.: J. Pharmaceut. Biomed. Anal., 21, 1215 (2000); Garcia-Villoria, J., et al.: Clin. Biochem., 42, 2 (2009); Scalbert, A., et al.: Metabolomics, 5, 435 (2009)<br></p>

<p>Applications 5-Chloro-2-pyridinamine-3,4,6-d3 is labelled 5-Chloro-2-pyridinamine which is an intermediate used to synthesize zopiclone (Z700500), a cyclopyrrolone member of a family of non-benzodiazepine GABAA receptor agonists.<br>References Noble, S., et al.: Drugs, 55, 277 (1998), Musch, B., et al.: Int. J. Clin. Psychopharmacol., 5, 147 (1990)<br></p>

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

<p>Applications 4-Hydroxybenzophenone-d4 is an isotopic analog of 4-Hydroxybenzophenone (H829305), a metabolite of benzophenone (B204980).<br>References Stocklinski, A. et al. Life Sciences 26, 365(1980)<br></p>

<p>Applications (±)-1-Amino-2-propanol-1,1,2,3,3,3-d6 (CAS# 1219795-13-7) is a useful isotopically labeled research compound.<br></p>

<p>Applications N-Nitrosodiethylamine-d10 is a labelled form of N-Nitrosodiethylamine (N525465) which is a widely occurring nitrosamine that is one of the most important environmental carcinogens primarily inducing tumors of liver.NDMA and NDEA were found as an impurity in generic versions of valsartan, losartan and irbesartan.<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 Oda, Y., et al.: Mutation Research, Genetic Toxicology and Environmental Mutagenesis, 584, 1 (2005); Yamazaki, H., et al.: Carcinogenesis, 13, 1789 (1992);Chem. and Eng. News, p.5, Feb. 25, 2019<br></p>

<p>Applications 4-Nitrobenzoic Acid-d4 is labelled 4-Nitrobenzoic Acid (N493550) which is used in the synthesis of anti-Trypanosoma cruzi agents in the treatment of chagas disease.<br>References Palace-Berl, F. et al.: Bioorg, Med. Chem. Lett., 21, 5395 (2013); Zhou, L. et al.: J. Med. Chem., 56, 796 (2013);<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 Spiroxamine-d4, is the labeled analogue of Spiroxamine (S683500), which is a spiroketalamine fungicide for use on cereal crops. Spiroxamine inhibits ergosterol synthesis. Spiroxamine is used as 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 Wang, J., et al.: J. Agric. Food Chem., 53, 1857 (2005), Abrahim, A., et al.: J. Pharm. Biomed. Anal., 51, 131 (2010), Wang, J., et al.: Anal. Bioanal. Chem., 396, 1513 (2010),<br></p>

<p>Applications A deuterated acyclic nucleotide.<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 Sodium Octanoate-8,8,8-d3 (CAS# 1219795-01-3) is a useful isotopically labeled research compound.<br></p>

<p>Stability Volatile<br>Applications Isopropyl-d7-amine may act as a potential protease inhibitor but also takes part in numerous organic chemical reactions such as amide synthesis.<br> E0<br>References Dam, J.H. et al.: Chem. A. Eur. J., 16, 6820 (2010); Latli, B. et al.: J Labelled. Compd. Radiopharm., 48, 447 (2005);<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 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 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 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 1-Naphthoic Acid-d7 (cas# 634179-80-9) is a compound useful in organic synthesis.<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>Applications N-Ethyl-2-hydroxysuccinimide-d5 is the isotope labelled analog of N-Ethyl-2-hydroxysuccinimide (E919180); a metabolite of N-ethyl-2-pyrollidone (NEP) which is a frequently used industrial solvent shown to be embryotoxic in animal experiments.<br>References Schindler, B.K., et al.: Anal. Chem., 84, 3787 (2012)<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>Stability Hygroscopic<br>Applications Benzyl Alcohol (D7, 98%) (cas# 71258-23-6) is a useful research chemical.<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 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 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 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 Pentachlorothioanisole-13C6, is the labeled analogue of Pentachlorothioanisole (P238170), which can be used in the preparation of arenethiols and arenethiolates as seen in agrochemicals or fungicides.<br>References Dulik, D. et al.: Xenobiotica, 22, 325 (1992); Rakitin, O. et al.: Sci. Synth., 31a, 949 (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 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 L-Allo-isoleucine-d10 is a derivative compound of L-allo-isoleucine (A548200), which has been suggested to induce epithelial β-defensin expression. In addition, L-allo-isoleucine is utilized in the biosynthesis pathway for coronamic acid.<br>References Fehlbaum, P., et al.: Proc. Natl. Acad. Sci. USA 97, 12723 (2000); Parry, R. J., et al.: J. Am. Chem. Soc. 113, 1849 (1991)<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>

<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 Labelled 4-Nonyl Phenol (N650430). Used in the process for the manufacture of 5-nonyl salicylaldoxime, which is used for the selective purification and concentration of copper ions.<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 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 iso-Butyl 4-Hydroxybenzoate-2,3,5,6-d4 (CAS# 1219805-33-0) is a useful isotopically labeled research compound.<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 4-Hydroxychlorpropham-d7 is an intermediate in the synthesis of 4-Hydroxychlorpropham-d7 Sulfate Sodium Salt (H825077). 4-Hydroxychlorpropham-d7 Sulfate Sodium Salt is derived from Isopropanol-d7 (I822752), which is a deuterated alcohol used in the study of lignite liquefaction. 4-Hydroxychlorpropham-d7 is also the labelled analogue of 4-Hydroxychlorpropham (H825078). 4-Hydroxychlorpropham is an intermediate in synthesizing 4-Hydroxychlorpropham Sulfate Sodium Salt (H825075), which is a chemical herbicide used in the protection of crops. It also maintains the ability to induce mitochondrial dysfunction in rat hepatocytes.<br>References Kuznetov, P.N. et al.: Fuel, 70, 559 (1991); EPA.: Fed. Reg., 72, 37646 (2007); Nakagawa, Y. et al.: Toxicol., 200, 123 (2004)<br></p>

<p>Stability Hygroscopic<br>Applications Stearoyl-L-carnitine-d3 Hydrochloride is labelled Stearoyl Carnitine (S686515), A carnitine ester which was tested for its ability to inhibit protein kinase C (PKC).<br>References Sakata, K., et al.: Cardiovasc. Res., 23, 505 (1989), Fulceri, R., et al.: Biochem. J., 325, 423 (1997), Yu, L., et al.: J. Pharmacol. Exp. Ther., 286, (1998),<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 Myristic Acid (D27, 98%) (cas# 60658-41-5) is a useful research chemical.<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 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 Labeled D-Mannitol is widespread in plants and plant exudates; obtained from manna and seaweeds. D-Mannitol is used in the food industry as anticaking and free-flow agent, flavoring agent, lubricant and release agent, stabilizer and thickener and nutritive sweetener.<br>References Pigman, W., et al.: The Carbohydrates, 249 (1957), Makkee, M., et al.: Chem. Commun., 930 (1980),<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 Isoquinoline-d7 (CAS# 17157-12-9) is a useful isotopically labeled research compound.<br></p>

<p>Applications 5,5-(Diphenyl-d10) Hydantoin is deuterium labelled Diphenylhydantoin (D491650), which is an anticonvulsant agent that suppresses abnormal brain activity associated with seizure. Diphenylhydantoin is used to treat ulcers, epidermolysis bullosa, chorea, Parkinson’s syndrome, trigeminal neuralgia, acute alcoholism, and inflammatory conditions (1,2).<br>References (1) Kim, S. H., et al.: Birth Defects Res B Dev Reprod Toxicol. 95, 337 (2012)(2) Younes, N., et al.: Dermatol Online J. 12, 5 (2006)<br></p>

<p>Applications Isotope labelled 5-Bromopentanoic Acid used in the synthesis of inhibitors for aminoglycoside resistant bacteria. Also used in the preparation of sequence specific base pair mimics as topoisomerase IB inhibitors.<br>References Vong, K. et al.: ACS Chem. Biol., 7, 470 (2012); Vekhoff, P. et al.: Biochem., 52, 43 (2012);<br></p>

<p>Applications 1,3,5-Tribromobenzene-d3 (CAS# 52921-77-4) is a useful isotopically labeled research compound.<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 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 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 Labelled Chlorotoluron (C421600(P)), which is a herbicide.<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 Nelieu, S., et al.: Environ. Toxicol. Chem., 29, 2644 (2010), Aguilera-Luiz, M., et al.: Anal. Bioanal. Chem., 399, 2863 (2011),<br></p>

<p>Applications Labelled DL-Serine is used in the synthesis of novel tryptoline derivatives as IDO (indoleamine 2,3-Deoxygenase) inhibitors, for potential use in Alzheimer’s treatment.<br>References Tanaka, M. et al.: Bioorg. Med. Chem., 21, 1159 (2013);<br></p>

<p>Applications Labelled Glycolic Acid (G645600). Constituent of sugar cane juice.<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 Smyth, H.F., et al.: J. Ind. Hyg. Toxicol., 23, 259 (1941),<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>Stability Hygroscopic<br>Applications Labelled Phosphocholine Chloride, a specific promoter of heparin and serum β-lipoprotein interaction. Phosphocholine Chloride protected the membranes of platelets, erythrocytes, and lysosomes against the labilizing action of various known membrane labilizers.<br>References Mookerjea, S. et al.: Biochem. Res. Biophys. Res. Comm., 53, 580 (1973); Caputi, A.P. et al.: Boll. Chim. Farmac., 117, 553 (1978):<br></p>

<p>Applications N-(4-Aminobenzoyl-d4)-β-alanine is the labeled analogue of N-(4-Aminobenzoyl)-β-alanine (A593795), a metabolite of BX661A, a therapeutic agent used in the treatment of ulcerative colitis, chemotaxis and reactive oxygen species production in polymorphonuclear leukocyctes. Inhibits lipid peroxidation in large intestinal mucosa after mesenteric ischemia/reperfusion.<br>References Kimura, I. et al.: Arzneimittelforschung., 48, 1007 (1998); Kumamoto, T. et al.: Jpn. J. Pharmacol., 75, 187 (1997);<br></p>

<p>Applications Octanoic Acid-13C4 is an isotopic analog of Octanoic Acid (O237880), which is found naturally in the milk of various mammals. Its esters can be used in perfumery and also in the manufacture of dyes. It is also an antimicrobial pesticide used as a food contact surface sanitizer. Caprylic acid is also used in the treatment of some bacterial infections.<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 Lide, D. R., et al.: CRC Handbook chem. Phys., 70th Ed. (1990); Beare-Rogers, J., et al.: Pue Appl. Chem., 73 (4), 685 (2001);<br></p>

<p>Applications Labelled Indole (I577320). Can be used in perfumes and in the synthesis of tryptophan.<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 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 Pyruvic Acid-13C3 is labelled Pyruvic acid (P998900).Pyruvic acid is an Intermediate in sugar metabolism and in enzymatic carbohydrate degradation (alcoholic fermentation) where it is converted to acetaldehyde and CO2 by carboxylase. In muscle, Pyruvic acid (derived from glycogen) is reduced to lactic acid during exertion, which is reoxidized and partially retransformed to glycogen during rest. The liver can convert Pyruvic acid to alanine by amination.<br>References Wenzel, A., et al.: J. Neurosci., 21, 53 (2001); Martinez., et al.: Development, 6, 851 (2002); Nakayama, K., et al.: J. Biochem., 146, 757 (2009); Tanaka, T., et al.: J. Pharmacol. Sci., 109, 24 (2009)<br></p>

<p>Applications An important isooptically labelled metabolite of benzene.<br>References Muller, G., et al. : Anal. Hazard. Sust. Biol. Mater., 5, 143 (1997)<br></p>

<p>Applications Labelled analogue of Phthalic Acid Anhydride, an organic reagent used to synthesize phthalates.<br></p>

<p>Applications n-Dotriacontane-d66 (CAS# 62369-68-0) is a useful isotopically labelled research compound. It has been studied as a potential generator to supply charged particles to plastic nuclear track detectors for high-energy neutrons.<br>References Oda, K., et al.: Radiation Measurements, 36, 119 (2003)<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 Ethyl Acetate-13C2 can be used in the synthesis of carbon-13-labeled 5-(diethylphosphono)-2-pentanone ethylene ketal, a reagent for the synthesis of multi carbon-13-labeled steroids.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 Degraw, J., et al.: J. Lable Compd Radiopharma, 19, 945 (1982);<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 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 Strobilurin fungicide; inhibits mitochondrial respiration by blocking electron transfer between cytochromes b and c1. Agricultural fungicide. Used in Pesticide detection.<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 Smalling, K., et al.: Environ. Toxicol. Chem., 29, 2593 (2010), Lu, X., et al.: Phytopathol., 100, 1162 (2010), Schafer, R., et al.: Environ. Sci. Technol., 45, 1665 (2011),<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 Triacetin-d5 is the isotope labelled analog of Triacetin (T720850); a compound used as a food additive and flavoring. Triacetin can be used as an excipient in pharmaceutical products where it is used as a humectant, a plasticizer, and as a solvent. Triacetin can also be used as a fuel additive as an antiknock agent.<br>References Mouret, A., et al.: Green Chem., 16 (1), 269 (2014); Snejdrova, E., et al.: Inter. J. Pharma., 458, 282 (2013)<br></p>

<p>Applications A labelled metabolite of ethanol in humans and a potential biomarker of acute alcohol intake.<br>References Jones, A., et al.: Forensic Sci. Int., 45, 217 (1990), Schmitt, G., et al.: J. Anal. Toxicol., 19, 91 (1995), Dahl, H., et al.: J. Anal. Toxicol., 26, 201 (2002), Stephanson, N., et al.: Ther. Drug Monit., 24, 645 (2002), Helander, A., et al.: Clin. Chem., 50, 936 (2004),<br></p>

<p>Applications Uracil-d4 is the labelled compound form of Uracil (U801000) which is a nitrogenous base on RNA nucleosides.<br>References Seth, P., et al.: J. Med. Chem., 53, 8309 (2010); Cui, H., et al.: Eur. J. Med. Chem., 45, 5140 (2010)<br></p>