Lípidos

Impurity Lovastatin EP Impurity E; Lovastatin USP Related Compound A
Applications 4a,5-Dihydro Lovastatin (Lovastatin EP Impurity E; Lovastatin USP Related Compound A) is an impurity in Lovastatin (L472225) bulk drug.
References Bone, E.A., et al.: Bioorg. Med. Chem. Lett., 2, 223 (1992), Houck, A., et al.: Talanta, 40, 491 (1993),

Applications An oxygenated derivative of Cholesterol (C432501); an oxysterol. An inhibitor of human immunodeficiency virus replication in vitro. It induces apoptosis in human monocytic cell lines as well as inducing apoptosis in CEM cells associated with negative regulation of c-Myc.
References Aupeix, K. et al.: Immunobiology, 194, 415 (1995); Moog, C. et al.: Antivir. Chem, Chemother., 9, 491 (1998); Ayala-Torres, S. et al.: Exp. Cell Res., 246, 193 (1999);

Applications 1,2-Distearoyl-3-oleoyl-rac-glycerol is used in the study of leptin resistance at the blood-brain barrier.
References Banks, W., et al.: Diabetes, 53, 1253 (2004);

Impurity Estradiol 17?-Hydroxy Impurity; Estradiol EP Impurity B; Ethinylestradiol EP Impurity L
Applications Estradiol (known as α-Estradiol or 17 α-Estradiol) is a biologically active estrogen in human breast cancer cells in tissue culture. 17-Εstradiol and its selective receptor, ER-X, are not part of a classical hormone/receptor endocrine system but of a system with important autocrine/paracrine functions in the developing and adult brain(1,2). 17-Estradiol may have enormous implications for hormone replacement strategies at the menopause and in the treatment of such neurodegenerative disorders as Alzheimer’s disease and ischemic stroke(3).This compound is a contaminant of emerging concern (CECs). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA). Environmental contaminants; Food contaminants.
References 1. Lievertz, R. et al.: J. Obstet. Gynecol. 1987 May;156(5):1289-932. Kuhnz, W. et al.: Arzneimittelforschung. 1993 Sep;43(9):966-73.3. Toran-Allerand, C. et al.: Endocrinology. 2005 Sep;146(9):3843-50.

Stability Hygroscopic
Applications 20(S)-Ginsenoside Rg2 is used as an aldose reductase inhibitor and my exert anti-inflammatory and immunomodulatory activity. It exists as a bioactive metabolite of the ginsenoside component of Panax ginseng.
References Cho, K. et al.: Biomol. Ther., 22, 55 (2014); Fatmawati, S. et al.: Bioorg. Med. Chem. Lett., 24, 4407 (2014);

Applications 20-HETE is a cytochrome P450 (CYP450) metabolite that may play an autacoid role in cerebral and renal vasculature.
References McGiff, J.C., et al.: Am J Physiol, 277, R607-R623 (1999);

Applications 1,2-Dimyristoyl-sn-glycero-3-phosphocholine is used in the generation of micelles and liposomes.
References Høyrup, P., et al.: Biochim. Biophys. Acta, 1515, 133 (2001); Heberle, F., et al.: Cold Spring Harb Perspect Biol., 3, 1 (2011)

Applications Dihydrolanosterol, is a derivative of Lanosterol (L174580). It is also one of cytochrome P 450 lanosterol 14α-demethylase (CYP51), which is shown to have an important role in regulating meiosis and reproduction.
References Smiljanic, K., et. al.: Lipids, 48, 1069 (2013); Ma, L., et. al.: Food Chem., 139, 503 (2013);

Applications Polyunsaturaded fatty acid.

Applications 7-Keto Cholesterol is a metabolite of Cholesterol.
References Wang, J., et al.: Biochemistry, 43, 1010 (2004), Lemaire-Ewing, S., et al.: Cell Biol. Toxicol., 21, 97 (2005), Fuda, H., et al.: J. Lipid Res., 48, 1343 ( 2007), Sasaki, H., et al.: Metabolism, 56, 357 (2007),

Applications β-Sitosterol and β-sitosteryl-β-D-glucoside were isolated as analgesic constituents from the leaves of Mentha cordifolia Opiz.
References Tanaka, et al.: J. Biochem., 17, 483 (1933), Nigro, N.D., et al.: J. Natl. Cancer Inst., 69, 103 (1982),

Applications Campestanol can be used as analyte in biological and analytical studies for the determination of 22 natural brassinosteroids in a minute sample of plant tissue by UHPLC-ESI-MS/MS.
References Tarkowska, D., et al.: Anal. Bioanal. Chem., 408, 6799-6812 (2016)

Applications α-Muricholic Acid is an bile acid found in urine. Studies have linked α-Muricholic in the understanding of the complex signaling pathways of hepatic lipid abnormalities with type 2 diabetes and a treatment target for this condition.
References Haeusier, R.A., et al.: Cell. Metabolism., 15, 65 (2012); Chen, K.H., et al.: Am. J. Physiol., 301, E853 (2011);

Applications Cholesterol 5alpha,6alpha-epoxide is used in the generation of oxysterols and in the studies of the biological significance of oxysterols.
References Lizard, G., et al.: Eur. J. Lipid Sci. Technol., 118, 135 (2016); Sabolova, M., et al.: J. Sci. Food Agric., 97, 5092 (2017); Bezine, M., et al.: Biochimie (2018)

Applications 1,2-Dimyristoyl-sn-glycero-3-phospho-rac-(1-glycerol) (Sodium Salt), is used in the production of micelles, liposomes, and other type of artificial membranes.
References Rodrigues, C., et al.: Biophys. Chem, 94, 97 (2001); Van Dijck, P.W., et al.: Biochim. Biophys. Acta., 406, 465 (1975)

Stability Air Sensitive
Applications (E)-3-(4-Hydroxy-3,5-dimethoxyphenyl)acrylaldehyde (cas# 4206-58-0) is a useful research chemical.