Standard farmaceutici

Applications 6-Hydroxynaphthalene-2-sulfonic Acid Potassium Salt is used the in the synthesis of azo dyes and pigments.
References Gao, Pu. et al., Dyes Pigm. 179, 108376(2020);

Applications 25-Hydroxyvitamin D2 (6,19,19-D3,97%) 100 Ug/Ml In Ethanol (cas# 1217467-39-4) is a useful research chemical.

Impurity Beclomethasone Dipropionate EP Impurity E
Applications 6α-Chlorobeclomethasone Dipropionate (Beclomethasone Dipropionate EP Impurity E) is an analogue of Beclomethasone Dipropionate (B131030), an antiallergic, antiasthmatic (inhalate). Anti-inflammatory (topical).
References Laube, B., et al.: J. Allergy Clin. Immunol., 101, 475 (1998); Harrison, L., et al.: Eur. J. Clin. Pharmacol., 58, 191 (2002); Maneechotesuwan, K., et al.: J. Allergy Clin. Immunol., 121, 43 (2008)

Applications ��-Heptanolactone, �� 98.0% (cas# 105-21-5) is a useful research chemical.

Impurity Clobetasol Propionate EP Impurity J
Applications 9α-Fluoro-11β-hydroxy-16-β-methyl-3-oxoandrosta-1,4-diene-17(R)-spiro-2’-[4’-chloro-5’-ethylfuran-3’(2’H)-one (Clobetasol Propionate EP Impurity J) is an impurity in the synthesis of Clobetasol 17-Propionate (C583500), a topical corticosteroid. Glucocorticoid; anti-inflammatory.
References Olsen, E.A., et al.: J. Am. Acad. Dermatol., 15, 246 (1986),

Applications A labelled metabolite of Spironolactone.
References Gochman, N., et al.: J. Pharmacol. Exp. Ther., 135, 312 (1962), Tori, K., et al.: Steroids, 4, 713 (1964), Solymoss, B., et al.: Toxicol. Appli. Pharmacol., 18, 586 (1971),

Applications Citric acid-2,4-13C2 is an isotopic analog of citric acid (C521000), a component of the Krebs cycle.

Impurity Artemether USP Related Compound B
Applications Derivative of Artemisinin (A777500). Shows antimalarial and antifungal activity.
References Michael, O., et al.: Malaria J., 9, 335 (2010), Cesar, I., et al.: J. Pharm. Biomed. Anal., 54, 114 (2011), Galal, A. et al.: J. Nat. Prod. 68, 1274 (2005)

Applications Betamethasone 6α-Bromo 17-Valerate is an impurity of Betamethasone (B327000), which is a glucocorticoid used as an anti-inflammatory agent.
References Ferrante, M.G., et al.: Anal. Profiles Drug Subs., 6, 43 (1977), Li, A., et al.: Chem. Biol. Interact., 142, 7 (2002), Cruz-Monteagudo, M., et al.: Eur. J. Med. Chem., 40, 1030 (2005), Rothfuss, A., et al.: Chem. Res. Toxicol., 19, 1313 (2006),

Applications trans-2,cis-6-Nonadienal-D5 is a labelled analogue of trans-2,cis-6-Nonadienal (N649365). trans-2,cis-6-Nonadienal is an unsaturated aldehyde that is responsible for the cucumber smell of Synura petersenii, a freshwater colonial flagellate. trans-2,cis-6-Nonadienal is also a common natural and drinking water contaminant.
References Berra, T., et al.: Trans. Am. Fish. Soc., 111, 78 (1982); Kynclova, A., et al.: Nova Hedw. Bei., 136, 283 (2010); Ömür-Özbek, P. & Dietrich, A.: Environ. Sci. Tech., 39, 3957 (2005)

Applications Bromantane is an adamantane derivative used as an anxiolytic agent.
References Reznikov, A., et al.: Endokrinologie, 73, 11 (1979), Grekhova, T., et al.: Bull. Eksp. Biol. Med., 119, 302 (1995),

Applications A major metabolite of Phenytoin, an anticonvulsant.
References Bowmer, C., et al.: Biochem. Pharmacol., 27, 937 (1978), Kober, A., et al.: Mol. Pharmacol., 18, 237 (1980), Dasgupta, A., et al.: Ther. Drug Monit., 21, 625 (1999),

Applications Barbadin is a selective β-arrestin/β2-adaptin inhibitor. It selectively inhibits the interaction between b-arrestin and the b2-adaptin subunit of the clathrin adaptor protein AP2 without affecting the formation of receptor/b-arrestin complexes.
References Beautrait, A., et al.: Nat Commun. 8, 15054 (2017)

Applications A major metabolite of Zolpidem.
References Crestani, F., et al.: Br. J. Pharmacol., 131, 1251 (2000), Li, Q., et al.: Bioorg. Med. Chem. Lett., 12, 465 (2002), Goulle, J., et al.: Ther. Drug Monit., 26, 206 (2004), Ohkanda, J., et al.: J. Med. Chem., 47, 432 (2004), Blackaby, W., et al.: Bioorg. Med. Chem. Lett., 16, 1175 (2006),

Applications Acetamiprid-d3 is labelled Acetamiprid (A150800), a novel neonicotinid insecticide against Holotrichia consanguinea in sugarcane. Reports show that when exposed to neonicotinid pesticides honeybees have probelms returnign home after foraging and bumblebee colonies grow poorly and produce fewer queens. Also used in Cannabis testing.
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 Srivastava, A., et al.: Indian Sugar, 32, 673 (1983), Fleming, R., et al.: J. Econ. Entomol., 78, 1179 (1985), Rao, Ch.V., et al.: Pestology, 35, 47 (2011), Chem. and Eng. News 90: 10 (2012)

Applications High-ceiling loop diuretic; structurally related to Bumetanide (B689550). Diuretic.
References Merkel, W., et al.: Eur. J. Med. Chem., 11, 399 (1976), Pozet, N., et al.: Br. J. Clin. Pharmacol., 9, 577 (1980), Clissold, S.P., et al.: Drugs, 29, 489 (1985),

Applications 6-Methyl-1,4-naphthoquinone (cas# 605-93-6) is a compound useful in organic synthesis.

Applications A metabolite of Nitrotyrosine (N597000), which is excreted in the urine.
References van der Vliet, A., et al.: J. Biol. Chem., 272, 7617 (1997), Tabrizi-Fard, M., et al.: Drug Metab. Dispos., 27, 429 (1999), Souza, J., et al.: Arch. Biochem. Biophys., 380, 360 (2000),

Applications 1-Naphthoic Acid-d7 (cas# 634179-80-9) is a compound useful in organic synthesis.

Applications 7-Bromobenz[a]anthracene (cas# 32795-84-9) is a useful research chemical.

Applications Isotope labelled 1,2,4-Trioctyl Ester 1,2,4-Benzenetricarboxylic Acid is a widely used and often incorporated in plasticizer for PVC for a higher molecular weight.
References Jones, C., et al.: Int. J. Artificial. Organs., 12, 466 (1989); Khang, G., et al.: Bio-Med. Mater. Engineer., 12, 135 (2002);

Stability Light Sensitive
Applications 2,6-Diiodo-4-nitrophenol is useful for statistical methods for developing QSARs to predict toxicity of phenols to Tetrahymena pyriformis.
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 Cronin, M., et al.: Chemosphere, 49, 1201 (2002);

Stability Hygrscopic
Applications N1,N12-Diacetylspermine Dihydrochloride is a diacetylated derivative of Spermine (S680510) and is recognized as a novel tumor marker in patients with breast and colorectal cancers.
References Kato, M., et al.: Anticancer Res., 34, 3053 (2014); Umemori, Y., et al.: Clin. Chim. Acta, 411, 1894 (2010); Kawakita, M., et al.: J. Biochem., 139, 315 (2006); Hiramatsu, K., et al.: Clin. Cancer Res., 11, 2986 (2005)

Applications Azoniaspironortropanol-d8 Chloride is the labeled analogue of Azoniaspironortropanol Chloride (A965125), an intermediate used for the synthesis of Trospium Chloride (T892800), an Antispasmodic, used in treatment of urinary incontinence.
References Antweiler, H., et al.: Arzneim.-Forsch., 16, 1581 (1966); Lux, G., et al.: Fortschr. Med., 96, 2113 (1978); Madersbacher, H., et al.: Br. J. Urol., 75, 452 (1995); Zinner, N.R., et al.: Expert Opin. Pharmacother., 6, 1409 (2005)

Applications Used as an antihypertensive and antianginal.
References Gross, G.J., et al.: Gen. Pharmacol., 14, 677 (1983), Molyvdas, P.A. and Sperelakis, N.: J. Cardiovasc. Pharmacol., 8, 449 (1986), Mizuno, K., et al.: Res. Comm. Chem. Pathol. Pharmacol., 52, 3 (1986)

Impurity Ipratropium EP Impurity E
Applications N-Isopropyl Noratropine is a Noratropine derivative, an intermediate in the production of Ipratropium.
References Simms, P., et al.: J. Pharm. Biomed. Anal., 17, 841 (1998),

Applications A protected caffeine metabolite with high antioxidant activity. It is a very sensitive biomarker for the consumption of relatively small amount of coffee.
References Buchanan, C., et al.: J. Sci. Food Agric., 71, 459 (1996), Andreasen, M., et al.: J. Agric. Food Chem., 49, 5679 (2001), Poquet, L., et al.: Drug Metab. Dispos., 36, 190 (2008),

Applications (-)-β-Sesquiphellandrene are found in Tanacetum vulgare plants. It is also an essential leaf and flower oils in Heracleum species.
References Clancy, M. V., et al.: Sci. Rep., 6, 38087 (2016); Usjak, L., et al.: Food Funct., 8, 278-290 (2017);

Applications (-)-Biotin Sulfoxide, is a metabolite of Biotin (B389040), which is a growth factor present in minute amounts in every living cell, and plays an indispensable role in numerous naturally occurring carboxylation reactions.
References du Vigneaud, et al.: J. Biol. Chem., 146, 475 (1942), Traub, et al.: Nature, 178, 649 (1956), Siegel, H., et al.: Experienta, 37, 789 (1981), Vesely, D.L., Science, 216, 1329 (1982), Hugues, M., et al.: Biochemistry, 31, 12 (1992),

Applications Tenivastatin Calcium is derived from Simvastatin (S485000), which is a synthetic derivative of a fermentation product of Aspergillus terreus. A competitive inhibitor of HMG-CoA reductase. A synthetic analog of Lovastatin. Antilipemic. Simvastatin, the drug, is sold under the trade name Zocor.
References Hoffman, W.F., et al.: J. Med. Chem., 29, 849 (1986), Mol, M.J., et al.: Lancet, 2, 936 (1986)

Applications 5-Hydroxycytosine, is been identified as an anomalous base of phage H-17 DNA. It is also a monosubstituted cytosine, as nucleotide-base antimetabolite-type potential anticarcinogen.
References Khromov, I. S. Doklady Akademii Nauk SSSR, 240, 1486 (1978); Ladik, J., et al.: Magyar Kemiai Folyoirat, 76, 589 (1970);

Applications m-Cresol is one of the components that make up liquid rice hull smoke, and may contribute to its anti-inflammatory effects in mice.
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 Kim, S., et al.: J. Agr. Food Chem., 59, 4570 (2011)

Applications A metabolite of Mifepristone (M343975).
References Ringler, I., et al.: Metabolism, 13, 37 (1964), Gagne, D., et al.: J. Steroid. Biochem., 25, 315 (1986), Jang, G., et al.: Biochem. Pharmacol., 52, 753 (1996), Hild, S., et al.: Hum. Reprod., 15, 822 (2000), Gainer, E., et al.: Steroids, 68, 1005 (2003),

Applications Testosterone ester. Testosterone 17-Valerate has been a useful compound in the development of immunochemical techniques for detection of anabolic androgenic steroids in food supplements.
References Ruelle, P., et al.: Int. J. Pharm., 157, 219 (1997), de la Torre, X., et al.: J. Pharm. Biomed. Anal., 24, 645 (2001), Adat, S., et al.: Lett. Drug Des. Discov., 1, 334 (2004), Holubova, B., et al.: Eur. Food Res. Technol., 245, 1011 (2019)

Stability Hygroscopic
Applications The main metabolite of Omeprazole.
References Renberg, L., et al.: Drug Metab. Dispos., 17, 69 (1989), Calabresi, L., et al.: Pharmacol. Res., 49, 493 (2004), Yin, O., et al.: J. Clin. Pharmacol., 44, 582 (2004),

Applications N-Desmethyl Ulipristal Acetate is the N-monodemethylated analogue and metabolite of the selective progesterone receptor modulator Ulipristal Acetate (U700810). N-Desmethyl Ulipristal Acetate contributes significantly to the antiprogestational activity of its parent compound.
References Attardi, B.J. et al.: J. Steroid Biochem. Mol. Biol., 88, 277 (2004);

Applications 7-Keto Dehydro Epiandrosterone is a metabolite of Dehydroepiandrosterone (DHEA) (D229585).
References Majewska, M., et al.: Brain Res., 526, 143 (1990), Charlton, M., et al.: J. Neurochem., 68, 121 (1997), Koob, G., et al.: Biochem. Pharmacol., 68, 1515 (2004);

Applications Palmitoleic Acid is a polyunsaturated fatty acid which contributes to reduced protein oxidation in mammals.
References Mendez, L. et al.: Free Rad. Biol. Med., 55, 8 (2013);

Applications 1,5-DIISOCYANATONAPHTHALENE (cas# 3173-72-6) is a useful research chemical.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications 8-Benzyloxy-2’-deoxyguanosine (cas# 96964-90-8) is a compound useful in organic synthesis.
References Wang, Y., et al.: Chem. Res. Toxicol., 19, 837 (2006),

Stability Hygroscopic
Applications 3-Sulfoglycolithocholic Acid Disodium Salt is a derivative of Lithocholic acid (L469180). Lithocholic acid (LCA) is a putative tumor promoter,that is shown to be able to inhibit mammalian DNA polymerase β.
References Ogawa, A., et al.: Jap. J. Canc. Res., 89, 1154 (1998)

Applications A metabolite of Quinidine.
References Small, D.L., et al.: J. Chem. Med., 22, 1014 (1979), Guentert, T.W., et al.: Eur. J. Drug Metab. Pharmacokinet., 7, 31 (1982), Rakhir, A., et al.: J. Pharmacokinet. Biopharm., 12, 1 (1984), Christie, D.J., et al.: J. Lab. Clin. Med., 112, 92 (1988),