Polycyclic Aromatic Hydrocarbons (PAHs)

Applications 3-Nitroacenaphthene is an impurity of Acenaphthene (D448330), which is a polycyclic aromatic hydrocarbon as carcinogenic agent. References Liu, Y., et al.: J. Med. Chem., 57, 5203 (2014);

Applications Naphtho[2,3-e]pyrene is a polycyclic aomatic hydrocarbon (PAH) with carcinogenicity. Naphtho[2,3-e]pyrene is one of the C24H14 PAH that displayed mutagenicity in human cells expressing CYP1A1. References Yan, L.S.: Carcinogenesis6, 1 (1985); Durant, J.L. et al.: Mutat. Res. Gen. Toxicol. Environ. Mutagen., 446, 1 (1999);

Applications 8-Hydroxybentazone, is a metabolite of Bentazon, a selective post-emergence herbicide. References Kim, J., et al.: ACS Symp. Series, 899, 92 (2005); Roper, J., et al.: Wat. Res., 29, 2720 (1995);

Applications trans-7,8-Dihydroxy-7,8-dihydrobenzo[a]pyrene is a metabolite of Benzopyrene (B205800). Benzo[a]pyrene (B205800), a prototypic PAH, is metabolized by cytochrome P 450 1A1/1B1. (-)-trans-7,8-Dihydroxy-7,8-dihydrobenzo[a]pyrene (D452280) undergoes further P 4501A1/1B1-mediated metabolism to a carcinogen, which forms DNA-adducts primarily with 2'-deoxyguanosine. A carcinogen. 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 Gelhaus, S. et al: Chem. Res. Toxicol., 24, 89 (2011); Belvedere, G. et al.: Biochem. Pharmacol., 29, 1693 (1980); Jennette, K. et al.: Biochem. Pharmacol., 28, 338 (1979); Yagi, H. et al.: J. Am. Chem. Soc., 99, 2358 (1977)

Applications Fluoren-3-ol-d9 is the labeled analogue of Fluoren-3-ol (F462460), a urinary monohydroxylated metabolite of polycyclic aromatic hydrocarbons (PAH) that is used for biomonitoring human exposure to PAH. References Li, Z., et. al.: Chem. Res. Toxicol., 25, 1452 (2012)

Applications 7-Aminobenzo[a]pyrene (cas# 72297-05-3) is a compound useful in organic synthesis.

Applications 1-ETHYLNAPHTHALENE (cas# 1127-76-0) is a useful research chemical.

Applications A metabolite of polycyclic aromatic hydrocarbons in humans. References Jacob, J., et al.: Xenobiotica, 12, 45 (1982), Becher, G., et al.: Cancer Lett., 17, 301 (1983), Hoffmann, D., et al.: Cancer Treat. Res., 72, 1 (1995), Einolf, H., et al.: Chem. Res. Toxicol., 10, 609 (1997),

Applications 6-Nitro-1-pyrenol and 8-Nitro-1-pyrenol are urinary hydroxylated metabolites used as a biomarkers of exposure to polycyclic aromatic hydrocarbons. References Toriba, A., et al.: J. Health. Sci., 53; 631 (2007); Chae, Y.H., et al.: Cancer Res., 59, 1473 (1999);

Applications Azulene is an isomer of napthalene visibly identifiable by its dark blue hue. As such it is used in the preparation of dyes. 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 Stirling, A. et al.: ChemPhysChem, 5, 1558 (2004); Zhang, X. et al.: J. Mat. Chem., 17, 642 (2007);

Applications Labelled analogue of Benzo[ghi]perylene, one of the polycyclic aromatic hydrocarbons (PAH’s), an environmental pollutant with potential carcinogenic activity. 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 Alves, C. et al.: Atmos. Environ., 35, 5485 (2001); Jaward, F. et al.: Environ. Sci. Technol., 38, 2523 (2004); Lee, R. et al.: Environ. Sci. Technol., 39, 1436 (2005); Augusto, S. et al.: Environ. Pollut., 158, 483 (2010);

Applications Benzo[a]fluoren-11-one is a polycyclic aromatic hydrocarbon that has potential carcinogenic properties. It is a common organic substance found in aerosols, atmospheric air and gasoline exhausts. References Bekki, K., et al.: J. Health Sci., 55, 601 (2009); Moeller, M., et al.: Mutat. Res. Gen. Toxicol. Test., 157, 149 (1985); Simoneit, B., et al.: Atmos. Env. A. Gen. Topic., 25A, 2111 (1991); Yu, M. & Hites, R.: Anal. Chem., 53, 951 (1981)

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),

Applications 9-Acetylanthracene is a polycyclic aromatic hydrocarbon (PAH) with photo-induced toxicity. Biological studies have shown that 9-Acetylanthracene has plasmid curing activity. References Sinks, G.D., et al.: B. Environ. Contam. Tox., 59, 1 (1997); Molnar, J., Biochem. Pharmacol., 28, 261 (1979)

Applications 7,12-Dimethylbenz[a]anthracene is a highly potent carcinogen that is activated by microsomal enzymes to a diol epoxide metabolite that binds covalently to DNA in mammalian cells, leading ultimately to tumor induction. 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 Huggins, C., et al.: Proc. Nat. Acad. Sci. U.S.A., 58, 2253 (1967); Dipple, A., et al.: N. Cancer Res., 43, 4123 (1983)

Applications Benz[a]anthracene-7,12-dione is a polycyclic aromatic hydrocarbon that is present in the emission soot of biomass fuels combustion. Benz[a]anthracene-7,12-dione is an urban air contaminant and also a potential mutagen & carcinogen. References Durant, J., et al.: Mutat. Res., Gen. Toxicol., 371, 123 (1996); Salamone, M., et al.: Env. Int., 2, 37 (1979); Wu, W., et al.: J. Env. Sci. Health A., A37, 579 (2002)

Applications 6-Bromobenzo{a}pyrene is the polycyclic aromatic hydrocarbons with significant contribution to inhalation cancer risk. 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 Wang, J., et al.: Environ. Sci. Technol., 46, 9745-9752 (2012)

Applications Labelled Coumarin (C755380). Pharmaceutic aid (flavor). Found in tonka beans, levender oil, woodruff, sweet clover. 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 Hazleton, L., et al.: J. Pharmacol. Exp. Ther., 118, 348 (1956), Lake, B., et al.: Food Chem. Toxicol., 37, 423 (1999), Frerot, E., et al.: Flavour Fragrance J., 17, 218 (2002), Yang, Z., et al.: Food Chem., 114, 289 (2009),