Standard farmaceutici

Impurity Clobetasol Propionate EP Impurity K / Betamethasone Dipropionate EP Impurity C
Applications Betamethasone 21-Propionate (Clobetasol Propionate EP Impurity K) is a degradation product of Betamethasone. Glucocorticoid.
References Andersson, P., et al.: J. Pharm. Pharmacol., 36, 763 (1984), Wurthwein, G., et al.: Biopharm. Drug Dispos., 11, 381 (1990), Samtani, M., et al.: J. Pharm. Sci., 93, 726 (2004), Samtani, M., et al.: Drug Metab. Dispos., 33, 1124 (2005),

Applications An odorant found in strawberries, grapes and olive oil. Vanillylmethanol has high scavenging activities and inhibits homocysteine-induced endothelial cell adhesion.
References Ubeda, C. et al.: J. Agr. Food. Chem., 60, 6095 (2012); Barata, A. et al.: J. Agr. Food Chem., 59, 2543 (2011); Manna, C. et al.: J. Agr. Food Chem., 57, 3478 (2009)

Applications 1,5-dibromoanthracene (cas# 3278-82-8) is a useful research chemical.

Applications α-Propyl-α-(1-demethylethyl)-Verapamil is an impurity of Verapamil (V125000, HCl salt) which is a calcium channel blocker.
References Atlas, D, and Adler, M.: Proc. Natl. Acad. Sci. USA, 78, 1237 (1981), Janis, R., et al.: Adv. Drug. Res., 16, 309 (1987)

Applications Droxicam is a non-steroidal anti-inflammatory drug.
References Lapeyre-Mestre, M., et. al.: Fundam. Clin. Pharm., 20, 391 (2006)

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 Intermediate in the preparation of Guanfacine

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.
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 Wibowo, Arif, et al.: ACS Chem. Bio., 12(7), 1737-1742 (2017)

Applications Glycyl-L-tyrosine

Applications (-)-Citronellal is the s-isomer of (R)-Citronellal (C525025), a natural insect repellant. (-)-Citronellal (a monoterpene) was found to activate human olfactory receptor OR1A2 at the mRNA and protein levels resulting in reduced cell proliferation and reduced hepatocellular carcinoma progression.
References Massberg, D., et al.: Arch. Biochem. Biophys., 566, 100 (2015);

Applications Terazosin (piperazine D8) is labelled Terazosin (T105000, HCl salt; T105005, HCl Dihydrate) which is an α-1-adrenergic blocker related to prazosin.
References Patterson, S.E., et al.: J. Chromatog., 311, 206 (1984); Fort, F.L., et al.: Drug Chem. Toxicol., 7, 435 (1984); Lepor, H., et al.: J. Urol., 148, 1467 (1992)

Stability Hygroscopic
Applications Thiamine (T344185) impurity.
References Warnock, L., et al.: Anal. Biochem., 126, 394 (1982), Royer-Morrot, J., et al.: Eur. J. Clin. Pharmacol., 42, 219 (1992),

Applications 2-Naphthylacetonitrile (cas# 7498-57-9) is a useful research chemical.

Applications 2,6-Dimethyl-4-nitrophenol is a useful compound for the production and characterization of bio-​oil from hardwood and softwood lignin.
References Zadeh, Z. E., et al.: Energies (Basel, Switzerland), 13, 887 (2020)

Applications Menthyl Acetate is a component of essential oils extracted from natural sources.
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 Adaszynska, Michalina, et al.: Zywnosc, 20(2), 116-125 (2013);Hashimoto, Gabriela S., et al.: Aquaculture, 450, 182-186 (2016);Mazzucotelli, Maria, et al.: J. of Chrom. A, 1583, 124-135 (2019)

Applications Magnesium Carbonate is a chemical reagent used in the production of magnesium oxide in the synthesis of ceramics.
References Seabra, M. et al.: Mat. Res. Bull., 37, 255 (2002); Kumar, T. et al.: Biomat., 21, 1623 (2000);

Applications 1-​(6-​Amino-​9H-​purin-​2-​yl)​-1H-​pyrazole-​4-​carboxylic Acid Ethyl Ester is an intermediate in synthesizing 1-(6-Amino-9H-purin-2-yl)-N-methyl-1H-pyrazole-4-carboxamide (A629440), it is used in the synthetic preparation of regadenoson and intermediates by using cyclocondensation, amidation and condensation as the key steps.
References Chai, J.; et al.: Faming Zhuanli Shenqing. 14pp.Patent 2015 CODEN:CNXXEV

Applications 3-(4'-Bromo[1,1'-biphenyl]-4-yl)-1,2,3,4-tetrahydro-1-naphthalenol is used to prepare 4-hydroxycoumarin derivatives with antitumor activities. It is also used to synthesize diphenacoum and brodifacoum (B677900) as the rodenticides.
References Jung, J., et al.: Bioorg. Med. Chem. Lett., 14, 5527 (2004); Van Heerden, P., et al.: J. Chem. Soc. Perkin Transactions 1: Organic and Bio-Organic Chemistry, 8, 1141 (1997)

Applications Cinnamic Acid is rac-form of trans-Cinnamic Acid (P336185) which is used in the synthesis of amides and esters through coupling reactions involving carboxylic acids and amines and N-methylation of amides and O-methylation of carboxylic acids.
References Kunishima, M. et al.: Tetrahedron, 55, 13159 (1999); Xia, Q. et al.: Org. Lett., 15, 3326 (2013);

Applications 2-Naphthylamine Hydrochloride is listed as a known human carcinogen used in the manufacturing of dyes and as antioxidant in rubber.
References IARC Monographs, 4, 97 (1974),

Applications Used to stimulate root formation of plant clippings. Suitable for plant cell culture tested.
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 Handa, A., et al.: Plant Physiol., 69, 514 (1982), Polanco, C., et al.: Plant Sci., 162, 817 (2002), Rzepka-Plevnes, D., et al.: J. Food Agric. Environ., 5, 194 (2007),

Applications (4-Chloro-2-methylphenoxy)acetic Acid-d3 is the deuterated version of (4-Chloro-2-methylphenoxy)acetic Acid (C369470), which is a herbicide.
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 Elliott, B., et al.: Mutagenesis, 20, 3 (2005); Pfleeger, T., et al.: Environ. Toxicol. Chem., 30, 455 (2010);

Stability Hygroscopic
Applications Urolithin C is used in biological studies to evaluate the metabolite antioxidant activity.
References Ishimoto, H., et. al.: Bioorg. Med. Chem. Lett., 21, 5901 (2011);

Applications Hydrocinnamic Acid N-Hydroxysuccinimide Ester (cas# 109318-10-7) is a compound useful in organic synthesis.

Applications A normal mammalian metabolite of Cortisone (C696500).
References Schneider, et al.: J. Biol. Chem., 183, 365 (1950), Barkemeyer, et al.: Appl. Microbiol., 8, 237 (1960),

Applications Isovaleric anhydride
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 7-Methoxy-1-naphthaleneacetamide, can be used for the synthesis of the analogs of Melatonin (M215000), containing naphthalene moiety instead of indole nucleus, having high affinity for the melatonin receptor. Agomelatine Impurity 6
References Tang, J. D., et al.: Org. Prep. Proc. Int., 41, 164 (2009); Sndrieux Y. J., et al.: J. Med. Chem., 35, 1484 (1992);

Applications Isovaleric Acid Ethyl-d5 Ester is the labeled analogue of Isovaleric Acid Ethyl Ester (I917575), an odorant found in soy sauce.
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 Feng, Y., et. al.: Food Chem., 167, 220 (2015)

Applications Tranexamic-d2 acid is deuterium labelled tranexamic acid (T714505), which is an antifibrinolytic agent that blocks lysine binding sites of plasminogen. Hemostatic.
References Andersson, et al.: Scand. J. Haematol. 2, 230 (1965), Melander, B., et al.: Acta Pharmacol. Toxicol., 22, 340 (1965), Bonnar, J., et al.: Br. Med. J., 313, 579 (1996), Dunn, C.J., et al.: Drugs, 57, 1005 (1999),

Applications A metabolite of Metoprolol.
References Lennard, M.S., et al.: Br. J. Clin. Pharmacol., 14, 713 (1982), Gengo, F.M., et al.: Clin. Pharmacol. Ther., 36, 320 (1984),

Applications 1-​[3-​(Dimethylamino)​propyl]​-​3-​ethylurea is a reagent used in the preparation of water soluble, multifunctional antibody-porphyrin gold nanoparticles.
References Penon, O. et al.: J. Colloid. Inter. Sci., 496, 100 (2017);

Applications Nerolidol (cas# 40716-66-3) is a terpene standard found in cannabis.

Applications Alpha-Amylcinnamyl Alcohol (cas# 101-85-9) is a useful research chemical.

Applications methyl 1,2,3,4-tetrahydronaphthalene-1-carboxylate (cas# 17502-86-2) is a useful research chemical.

Applications Indole-2,4,5,6,7-d5-3-acetic Acid is an isotopic analog of Indoleacetic Acid (I577340) which is the most common and naturally occuring plant hormone in the auxin class of hormones. It effects cell elongation, cell division as well as plant growth and development.

Applications A metabolite of Baclofen (c).
References Ault, B., et al.: Eur. J. Pharmacol., 71, 357 (1981),

Applications 6α-Methyl-9α-fluoro-11β,17α-dihydroxyprogesterone is an impurity of Fluorometholone (F593145), a glucocorticoid; anti-inflammatory.
References Kupferman, A., et al.: Arch. Ophthlmol., 640, 100 (1982), Tokunaga H., et al.: Chem. Pharm. Bull., 32, 4012 (1984),

Applications Potassium bromide is an ionic compound that is commonly used in chemistry to form a pellet that can be used to analyze a number of compounds by means of infrared spectroscopy. Potassium bromide is also used as an anticonvulsant to treat refractory seizures in humans and dogs.
References Kirkland, J.: Anal. Chem., 27, 1537 (1955); Korinthenberg, R., et al.: J. Child Neuro., 22, 414 (2007); Wilberley, S., et al.: Anal. Chem., 29, 210 (1957); Yohn, S., et al.: J. Am. Vet. Med. Ass., 201, 468 (1992)

Applications Boldenone Propionate is a metabolite of Boldenone (B675100), which is an anabolic steroid.
References Watanabe, K., et al.: J. Appl. Bacteriol., 62, 151 (1987) ; Liu, W., et al.: J. Ind. Microbiol., 13, 167 (1994) ; Barthakur, S., et al.: J. Basic Microbiol., 36, 383 (1996); Grinenko, G., et al.: Pharmaceut. Chem. J., 36, 510 (2002) ; de Brabander, H., et al.: Food Addit. Contam., 21, 515 (2004); Le Bizec, B., et al.: Steroids, 71, 1078 (2006);

Impurity Metoclopramide EP Impurity H
Applications N-Acetyl-4-aminosalicylic Acid (Metoclopramide EP Impurity H) is hydroxybenzoic acid that is a versatile reactant used in the preparation of salicylanilide derivatives as inhibitors of the protein tyrosine kinase epidermal growth factor receptor.
References Liechti, C., et al.: Eur. J. Med. Chem., 39, 11 (2004);

Applications Dimethachlor Ethane Sulfonic Acid Sodium Salt-d6 is the deuterium labelled form of Dimethachlor Ethane Sulfonic Acid Sodium Salt (D460283), which is a pesticide metabolite and pollutant found in groundwater, surface water, and wastewater.
References Huntscha, S., et al.: J. Chromatogr. A, 1268, 74 (2012); Reemtsma, T., et al.: J. Chromatogr. A, 1271, 95 (2013);

Applications DL-Lanthionine is a thioether-amino acid which when present in peptides results in antimicrobial activity. Peptides with this amino acid within it become part of a group named lantibiotics.
References Lohans, C, et al.: J. Am. Chem. Sic., 136, 13150 (2014);

Stability Hygroscopic
Applications Labelled dimethyl phosphorodithiolate derivatives used as insecticides.

Impurity Rosuvastatin EP Impurity F
Applications (4R,6S)-6-[(1E)-2-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester (Rosuvastatin EP Impurity F) is a Rosuvastatin (R700500) intermediate as HMG-CoA reductase inhibitor.
References Beck, et al.: J. Med. Chem., 33, 52 (1999),

Applications 3,3'-dithiobis(propionohydrazide) (cas# 50906-77-9) is a useful research chemical.

Applications γ-Butyrobetaine-d9 is the labelled analogue of γ-Butyrobetaine, a synthetic carnitine related compound used as a transporter substrate in the cloning and sequencing of human carnitine transporter 2 (CT2).
References Enomoto, A. et al.: J. Biol. Chem., 277, 36262 (2002)

Applications 5-Chloronaphthalene-2-sulfonyl Chloride (cas# 89108-45-2) is a compound useful in organic synthesis.

Applications It is a peroxisome proliferator-activated receptor (PPAR) α/γ dual agonist.
References Barlocco, D., et al.: Curr. Opin. Invest. Drugs, 6, 427 (2005), Devasthale, P.V., et al.: J. Med. Chem., 48, 2248 (2005), Kendall, D.M., et al.: Diabetes care, 29, 1016 (2006),

Applications 2'-Chloroacetophenone (cas# 2142-68-9) is a compound useful in organic synthesis.

Applications 2-Nitrophenol-3,4,5,6-d4 (CAS# 93951-78-1) is a useful isotopically labeled research compound.

Applications 3-[2-N-(Biotinyl)aminoethyldithio]propanoic Acid (cas# 104582-29-8) is a compound useful in organic synthesis.
References Kobayashi, N., et al.: Anal. Biochem., 357, 311 (2006),

Applications o-tert-Butyl-p-cresol, is a versatile buidling bloch used in the various chemical synthesis. It is used in the synthesis of 2-t-butyl-p-cresol amide derivatives, having the antibacterial and antifouling properties.
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 Zhang, Z. et al.: Tuliao Gongye, 42, 20 (2012);

Applications 4-tert-Butylacetophenone is an impurity arising in the synthesis of Ebastine (E320000). Ebastine impurity B.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Stability Temperature Sensitive
Applications Precursor of Diazomethane. It has a cytotoxicity effect.This product contains an undetermined amount of water.
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.: J. Exp. Med., 131, 321 (1970), Gullino, P.M., et al.: J. Natl. Cancer Inst., 54, 401 (1975),

Applications Labelled nitro substituted piperazine.

Applications Dimefline is a new respiratory stimulant drug.
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 Edwards, J.M., et al.: J. Nat. Prod., 42, 85 (1979), Setnikar, I., et al.: Arzneim.-Forsch., 11 1109 (1961),

Applications O,O-Dimethyl-d6 Dithiophosphate is the isotope labelled analog of O,O-Dimethyl Dithiophosphate (3, an dimethyl phosphorodithiolate derivatives used as insecticides.

Applications Naphthacene is a polycyclic aromatic hydrocarbon. Naphthacene is often used as a molecular organic semiconductor in organic field-effect transistors and organic light-emitting diodes. Naphthacene is also used in various applications involving the enhancement of photocurrent.
References Cnops, K., et al.: Applied. Phy. Letters., 101, 143301 (2012); Ooi, Z.E., Applied. Phy. Letters., 100, 93302 (2012);

(1α)-17-(Acetyloxy)-6-chloro-1-(chloromethyl)-pregna-4,6-
diene-3,20-dione; 6-Chloro-1α-(chloromethyl)-17-
hydroxypregna-4,6-diene-3,20-dione Acetate; Cyproterone
Acetate EP Impurity C

Applications 3,3-bis(2-hydroxyethyl)urea (cas# 23270-55-5) is a useful research chemical.

Applications N-Methylcytisine (cas# 486-86-2) is a compound useful in organic synthesis.

Stability Very Hygroscopic
Applications Mixed conjugate of dietary phytoestrogen.
References Adlercreutz, H;., et al.: J. Steroid Mol. Biol., 52, 97 (1995), Kinjo, J., et al.: Biol. Pharm. Bull., 27, 185 (2004),

Applications Labelled Indoleacetic Acid (I577343) has the potential to be used in anti-cancer therapy in conjunction with horseradish peroxidase (HRP).
References Kawano, T. et al.: Gen. Hypo. 60, 664 (2003);

Applications Isotope labelled Tridecanoic Acid, commonly found in dairy products. It is also a useful synthetic intermediate. It is used to synthesize Testosterone Tridecanoate (T55180).
References Kliem, K., et al.: Food Chem., 141, 274 (2013);

Applications 4-(4-Hydroxybutyl)benzoic Acid Methyl Ester is a benzoic acid derivative used in the preparation of yrrolo[2,3-d]pyrimidine-based antitumor agents as well as other biologically active compounds.
References Barnett, C.J. et al.: Org. Proc. Res. Dev., 3, 184 (1999); Zhao, D. et al.: Zhong. Yao. Huax. Zaz., 18, 445 (2008);

Stability Moisture Sensitive
Applications (±)5,6-DiHETE Lactone is a 1,5 cyclic ester derived from (±)5(6)-DiHETE. A useful research intermediate.

Impurity Bupropion Des-t-Butylamino Impurity
Applications 3'-Chloropropiophenone is a reagent used in the vinylation, alkylation and dienylation of ketones. It is also used in the preparation of thizaine derivatives that show antibacterial activity.
References Li, H. et al.: J. Am. Chem. Soc., 127, 8355 (2005); Deepika, G. et al.: J. Pharm. Res., 5, 1105 (2012);

Impurity Beclomethasone Dipropionate EP Impurity L
Applications 1,2-Dihydro Beclomethasone Dipropionate (Beclomethasone Dipropionate EP Impurity L) is an impurity of Beclomethasone Dipropionate (B131030).

Applications Cyclofenil is a weak nonsteroidal estrogen with ovulation induction properties. Mammalian hormone.
References Miquel, et al.: J. Med. Chem., 6, 774 (1963),

Applications Coproporphyrin III can be used as a biomarker for environmental toxicity and susceptibility in autism.
References Geier, D. A., et al.: J. of the Neuro. Sci., 280(1-2), 101-108 (2009)

Applications Protoporphyrin IX Dimethyl Ester is a derivative of Protoporphyrin IX (P839138), which is an important precursor to biologically essential prosthetic groups such as heme, cytochrome c, and chlorophylls.
References Battersby, A.R., et al.: Nature, 285, 17-21 (1980); Leeper, F.J., et al.: Natural Product Reports, 2, 19-47 (1983); Layer, G., et al.: Protein Science, 19, 1137-1161 (2010)

Applications 5-Iodovanillic acid (cas# 98554-57-5) is a useful research chemical.

Applications 1, N2-Etheno-2’-deoxyguanosine-13C5 is caused by exposure to pollutants. It is an isotopically labeled analog of the 2’-Deoxyguanosine adduct.

Applications 1,3-Diethylurea

Applications 1-Amino-2-naphthol Hydrochloride can be used as novel yellow pigment for making color filter.
References Kaichi, H., et.al.: Jpn. Kokai Tokkyo Koho JP 2018123190 A, 14, (2018);

Stability Hygroscopic
Applications Diazolidinyl urea is an antimicrobial agent.

Stability Hygroscopic
Applications 2-Hydroxy-4’,5-diacetamido-diphenyl Ether is used in the synthesis of novel benzimidazoles as potent inhibitors of TIE-2 anf VEGFR-2 tyrosine kinase receptors. Angiogenesis therapeutic agent.
References Hasegawa, M. et al.: J. Med. Chem., 50, 4453 (2007);

Applications A novel utilization of aminophenone derivative in toxicology, for treating intoxications with cyanogenic toxic substances.
References Donoghue, N., et al.: Eur. J. Biochem., 60, 1 (1975), Chen, Y., et al.: J. Bacteriol., 170, 781 (1988),

Stability Hygroscopic
Applications Isotope labelled analogue of Guanosine (G837900), a constituent of nucleic acids.
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 Miles, et al.: Science, 142, 1458 (1963), Bugg, et al.: Biochem. Biophys. Res. Commun., 3, 436 (1968),

Applications Carboxybutyrolactone is a structural analog of (±)-Paraconic Acid (P191200) and is used as a reagent in the synthesis of methylenecarboxybutyrolactones which have antibacterial activity.
References Tonari, K., et al.: J. Oleo Sci., 51, 259 (2002)

Stability Hygroscopic
Applications Hematoporphyrin dihydrochlordie (cas# 17696-69-4) is a useful research chemical.

Applications Methyl(4-methylnaphthalen-1-ylmethyl)amine is a reagent in the preparation of heterocyclic compounds as enoyl-acyl carrier protein reductase FabI inhibitors and antibacterial agents.
References Stuetz, A., et al.: J. Med. Chem., 29, 112 (1986); Berman, J., et al.: PCT Int. Appl., 2004:515512 (2004)

Applications β-Lapachone is a naturally occurring quinone obtained from the bark of the lapacho tree (Tabebuia avellanedae) with cancer chemopreventive properties. Induces apoptosis in HL-60 and human prostate cancer cells.
References Renslo, A., et al.: Nat. Chem. Biol., 2, 701 (2006), Hopkins, A., et al.: Nat. Chem. Biol., 4, 682 (2008), Stuart, K., et al.: J. Clin. Invest., 118, 1301 (2008), Martin, R., et al.: Science, 25, 1680 (2009),

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.
References Mouret, A., et al.: Green Chem., 16 (1), 269 (2014); Snejdrova, E., et al.: Inter. J. Pharma., 458, 282 (2013)