Flavonoids and Polyphenols

Applications Silybin B is the 2R, 3R, 7‘S, 8‘S isomer of Silybin (S465850); a natural occurring flavolignan that exerts anti-inflammatory and anti-fibrogenic effects on human hepatic stellate cells.
References Lee, D.Y.W, et al.: J. Nat. Prod., 66, 1171 (2003); Trappoliere, M., et al.: J. Hepatol., 50, 1102 (2009); Borsari, M., et al.: J. Inorg. Biochem., 85, 123 (2001)

Applications Labelled 2-tert-Butyl-4-hydroxyanisole (B699300). 2-tert-Butyl-4-hydroxyanisole shows insecticidal activity.
References Newberne, P., et al.: Food Technol., 54, 66 (2000), Passone, M., et al.: Food Control, 19, 364 (2008),

Applications 27-Deoxyactein has shown stimulation of osteoblast function and inhibits bone resorbing mediators in the treatment of osteoporosis. It is a derivative of Actein (A191800), a gamma secretase modulators derived from botanicals.
References Choi, E. et al. J. App. Toxicol., 33, 190 (2010); Findeis, M. et al.: ACS. Chem. Neurosci., 3, 941 (2012); Einbond, L. et al.: Fund. Clin. Pharm., 23, 311 (2009);

Applications trans-Piceatannol-d3 is an isotope labelled compound of trans-Piceatannol (P436300), which is human metabolite of Resveratrol (R150000).
References Athar, M., et al.: Toxicol. Appl. Pharmacol., 224, 274 (2007), Bernhardt, R., et al.: J. Biotechnol., 124, 128 (2006), Fairman, D.A., et al.: Drug Metab. Dispos., 35, 2159 (2007),

Applications Methyl trans-Cinnamate is one of the odour active compounds of Tahitian vanilla flavour and basil oil. Methyl trans-Cinnamate is naturally found in Magnolia liliflora oil, which is used to create a variety of nematicides. Methyl trans-Cinnamate also inhibits mushroom tyrosinase and has antimicrobial effects against Escherechia coli in food.
References Adams, A., et al.: J. Am. Oil Chem. Soc., 88, 201 (2011); Blank, A., et al.: Ind. Crop. Prod., 38, 93 (2012); Brunschwig, C., et al.: Food Res. Int., 46, 148 (2012); Huang, Q., et al.: J. Agr. Food Chem., 57, 2565 (2009)

Stability Light Sensitive
Applications 4'-O-Methylresveratrol is an impurity of resveratrol (R150000), an anticancer agent that has been shown to inhibit events associated with tumor initiation, promotion and progression.
References Powell, R.G., et al.: Phytochemistry, 35, 335 (1994), Jeandet, P., et al.: J. Phytopathol., 143, 135 (1995), Mattivi, F., et al.: J. Agric. Food Chem., 43, 1820 (1995),

Applications 2,4,5-Trichlorophenol-d2 is the labelled analogue of 2,4,5-Trichlorophenol (T774145), which is used as a broad range pesticide against insects, fungi, vegetation and bacteria. It has become a common environmental contaminant and probable human 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 Amer, S. et al.: Cytologia, 39, 633 (1974); Xu, X. wt l.: Occup. Environ. Med., 68, 557 (2011); Sinclair, C.J. et al.: Environ. Sci. Technol., 37, 4617 (2003);

Applications Triclosan (3',5',6'-d3) O-β-D-Glucuronide Sodium Salt is an isotope labelled compound of Triclosan O-β-D-Glucuronide Sodium Salt (T774260), a metabolite of Triclosan (T774250).
References Moss, T. et al.: Food Chem. Toxicol., 38, 361 (2000); Wu, J. et al.: Sepu, 27, 724 (2009);

Applications (S)-Hesperetin is the aglucon of Hesperidin (H281185), a flavanone found in citrus fruits.
References Tsujimoto, M., et al.: Biol. Pharm. Bull., 32, 671 (2009), Wang, H., et al.: J. Pharm. Biomed. Anal., 49, 1157 (2009), Lee, S,. et al.: Bioorg. Med. Chem. Lett., 19, 2116 (2009)

Applications Silychristin is a new natural product has been isolated from silymarin, the hepatoprotective extract of milk thistle (Silybum marianum) fruits. Silychristin has been shown to be an antihepatotoxic flavonolignan.
References Smith, W.A., et al.: Planta. Med., 71, 877 (2005); Hong, L., et al.: Process. Biochem., 45, 799 (2010); Hitoshi, T., et al.: J. Chem. Soc., 11, 749 (1988);

Applications A metabolite of trans Resveratrol.
References Banerjee, S., et al.: Cancer Res., 62, 4945 (2002), Wang, L., et al.: J. Pharm. Sci., 93, 2448 (2004), Provinciali, M., et al.: Int. J. Cancer, 115, 36 (2005), Lancon, A., et al.: Drug Metab. Dispos., 35, 699 (2007),

Applications Hesperetin 3тАЩ-O-b-D-Glucuronide is one of the most abundant metabolite of Hesperetin (H289500) in vivo.
References van Zanden, J., et al.: Biochem. Pharmacol., 74, 345 (2007), Yanez, J., et al.: Biopharm. Drug Dispos., 29, 63 (2008), Brand, W., et al.: Drug Metab. Dispos., 38, 617 (2010),

Impurity Diosmin EP Impurity A
Applications Isoacetovanillone (Diosmin EP Impurity A) is a volatile compound isolated from oak wood. Also a byproduct in the production of Acetovanillone.
References Smith, C., et al.: Toxicol. Sci., 69, 265 (2002), Sun, L., et al.: Anticancer Res., 24, 179 (2004), Fernandez de Simon, B., et al.: J. Agric. Food Chem., 57, 3217 (2009),

Applications trans-Caffeic Acid is a useful synthetic intermediate. It was used as a reactant to synthesize N-caffeoylphenalkylamide derivatives as bacterial efflux pump inhibitors. It is also used to prepare caffeic acid phenethyl ester analogs with antitumor structures.
References Michalet, S., et al.: Bioorg. Med. Chem. Lett., 17, 1755 (2007); Nagaoka, T., et al.: Bioorg. Med. Chem., 10, 3351 (2002)

Applications A major Lidocaine metabolite.
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 Falany, C., et al.: Drug Metab. Disposition, 27, 1057 (1999), Gan, J., et al.: Chem. Res. Toxicol., 14, 672 (2001), Lienert, J., et al.: Envir. Sci. Technol., 41, 4471 (2007),

Applications 2-Chloro-3,5-dimethylphenol is an impurity in the synthesis of Chloroxylenol (C427950) an antiseptic and germicide. Chloroxylenol is used for mildew prevention. Chloroxylenol is also an antibacterial; antiseptic (topical and urinary).
References Heberer, T., et al.: Toxicol. Lett., 131, 5 (2002), Nikolaou, A., et al.: Anal. Bioanal. Chem., 387, 1225 (2007), Focazio, M., et al.: Sci. Total Environ., 402, 201 (2008), Miege, C., et al.: Environ. Pollut., 157, 1721 (2009),

Applications (+)-[6]-Gingerol is a bioactive compound found in ginger (Zingiber officinale) with antioxidant activity, which functions as an anti-inflammatory and antitumor agent. (+)-[6]-Gingerol down regulates proinflammatory cytokine release by macrophages. (+)-[6]-Gingerol has been shown to inhibit COX-2 expression by blocking the activation of p38 MAP kinase and NF-κB in phorbol ester-stimulated mouse skin.
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 Aeschbach, R. et al.: Food Chem. Toxicol., 32, 31 (1994); Tripathi, S. et al.: J. Surg. Res., 130, 318 (2006); Kim, S.O., et al.: Oncogene 24, 2558 (2005);

Applications Urolithin M6 is an intestinal microbial metabolite of ellagitannins.
References Garcia-Villalba, R., et al.: J. Agr. Food Chem., 61, 8797 (2013);

Stability Hygroscopic, Moisture Sensitive
Applications Triclosan O-Sulfate is a metabolite of the bacteriostat, Triclosan (T774250).
References Wu, J. et al.: Sepu, 27, 724 (2009);

Hispidulin-7-O-glucoside analytical standard provided with w/w absolute assay, to be used for quantitative titration.

Hispidulin analytical standard provided with w/w absolute assay, to be used for quantitative titration.

Dalbergin analytical standard provided with chromatographic purity, to be used as reference material for qualitative determination.

Nepetin-7-O-glucoside analytical standard provided with w/w absolute assay, to be used for quantitative titration.