Antibióticos naturales y semisintéticos

<p>Stability Sample is unstable in solution<br>Applications Erythromycin A N-oxide is a facile metabolite of erythromycin A.<br></p>

<p>Stability Light Sensitive<br>Applications A decomposition product of Rapamycin (R124000).<br>References Yatscoff, R.W., et all.: Ther. Drug Monit., 17, 666 (1995), Wacher, V.J., et al.: J. Pharm. Sci., 87, 1322 (1998),<br></p>

<p>Applications Intermediate in the preparation of Posaconazole (P689600).<br></p>

<p>Stability Hygroscopic<br>Applications A metabolite of Nitrofuran in milk. Antibacterial.Environmental contaminants; Food contaminants; Heat processing contaminants<br>References Lim, A., et al.: J. Bacteriol., 181, 2252 (1999), Martin, A., et al.: J. Clin. Microbiol., 43, 1612 (2005), Chu, P., et al.: J. Agric. Food Chem., 55, 2129 (2007), McCracken, R., et al.: Food Addit. Contam., 24, 26 (2007),<br></p>

<p>Stability Light, Moisture and temperature sensitive<br>Applications Third generation cephalosporin antibiotic. Antibacterial.<br>References Brodie, A., et al.: Antimicrob. Agents Chemother., 17, 876 (1980), Richards, D.M., et al.: Drugs, 29, 105 (1985), Abounassif, M.A., et al.: Anal. Profiles Drug Subs., 19, 95 (1990),<br></p>

<p>Impurity Piperacillin EP Impurity C<br>Stability Hygroscopic<br>Applications Monodecarboxy Piperacilloic Acid (Piperacillin EP Impurity C) is an impurity of Piperacillin (P479950), a β-lactam antibiotic.<br>References Saikawa, I. et al.: Yakug. Zas., 97, 995 (1977); Saikawa, I. et al.: Yakug. Zas., 97, 1071 (1977); Takano, S. et al.: Yakug. Zas., 97, 1064 (1977);<br></p>

<p>Impurity Cefadroxil EP Impurity A(Amoxicillin EP Impurity A)<br>Applications 4-Hydroxy-D-(-)-2-phenylglycine (Cefadroxil EP Impurity A(Amoxicillin EP Impurity A)) is an compound used mainly for the synthetic preparation of β-lactam antibiotics.<br>References Koide, H., et al.: J. Antibio., 65, 91 (2012); Aranaz, I., et al.: Enzyme. Micro. Tech., 39, 215 (2006);<br></p>

<p>Applications Fluorinated quinolone antibacterial.This compound is a contaminant of emerging concern (CECs).<br>References Hoffken, G., et al.: Antimicrob. Ag. Chemother., 27, 375 (1985), Scully, B.E., et al.: Lancet, 1, 819 (1986)<br></p>

<p>Applications Isotope labelled Cefalonium (C236800) is a first-generation cephalosporin antibiotic used as a long-acting intramammary cerate for infusion of dairy cows.<br>References Endo, T.: Kach. Kokin. Kenk., 12, 8 (1991); Berry, E.A. et al.: J. Dairy Sci., 90, 760 (2007); Bradley, A.J. et al.: J. Dairy Sci., 93, 1566 (2010);<br></p>

<p>Ceftazidime Pentahydrate is a cephalosporin antibiotic with activity against gram-negative bacilli and may be used to study infectious diseases.</p>

<p>Stability Light Sensitive<br>Applications [6R-[6α,7β(R*)]]-7-[(Aminophenylacetyl)amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid is an impurity of Cefaclor (C235250), an second-generation cephalosporin antibiotic for antibacterial purposes.<br>References Gray, B.M., et al.: Antimicrob. Agents Chemother., 13, 988 (1978), Lorenz, L.J., et al.: Anal. Profiles Drug Subs., 9, 107 (1980), Hori, R., et al.: J. Pharm. Pharmacol., 40, 646 (1988),<br></p>

<p>Applications [(R)-3-(3-Fluoro-4-morpholinophenyl)-2-oxo-5-oxazolidinyl]methanol is an intermediate in the synthesis of Linezolid Dimer (L466520), an impurity of the antibacterial agent Linezolid (L466500).<br>References Xu, Heteroatom, Chem., 19, 316 (2008); Wang, J.W., et al.: Lett. Org. Chem., 5, 336 (2008);<br></p>

<p>Applications Puromycin is an aminonucleoside antibitotic. Puromycin acts as a protein synthesis inhibitor which interferes with translation by inhibiting ribosome functions. Puromycin is also a reversible inhibitor of dipeptidyl-peptidase II (serine peptidase) and cytosol alanyl aminopeptidase.<br>References Pestka, S. et al.: Ann. Rev. Micromiol., 8, 1559 (1997); Dando, P.M. et al.: Biomed. Health Res., 13, 88 (1997); McDonald, J.K. et al.: J. Biol. Chem., 243, 2028 (1968);<br></p>

<p>Applications Semi-synthetic rifamycin. Antibacterial (tuberculostatic).<br>References Arioli, V., et al.: J. Antibiot., 34, 1026 (1981), Neu, H.C., et al.: Antimicrob. Agents Chemother., 24, 457 (1983), Assandri, A., et al.: J. Antibiot., 37, 1066 (1984), Jarvis, B., et al.: Drugs, 56, 607 (1998),<br></p>

<p>Impurity Doxycycline Related Compound A<br>Stability Hygroscopic, Light Sensitive, Temperature Sensitive<br>Applications 6-Epi Doxycycline is an antibiotic used in the treatment of bacterial and certain parasitic infections. Doxycycline Related Compound A<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Jutglar, M., et al.: J. Pharm. Biomed. Anal., 159, 60 (2018); Metsemakers, W., et al.: J. Control. Release, 209, 47 (2015)<br></p>

<p>Stability Hygroscopic<br>Applications Moenomycin Complex (&gt;80%) is an antibiotic and selective inhibitor of the transglycosylation step. Flavomycin (bambermycins) is an antibiotic complex obtained from Streptomyces bambergiensis containing mainly Moenomycins A and C. They are used as feed additives and growth promoters for swine, poultry and cattle.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Attia, Y. A., et al.: Archiv fuer Gefluegelkunde, 75, 40 (2011)<br></p>

<p>Clavulanic Acid(RX-10100), a major beta-lactam antibiotic produced by the organism Streptomyces claveris, is a potent bacterial beta-lactamase inhibitor used in</p>

<p>Applications N-[(2S)-3-Amino-2-hydroxypropyl]-N-[3-fluoro-4-(4-morpholinyl)phenyl]acetamide is one of the major thermal degradation products of Linezolid (L466500). Linezolid impurity.<br>References Hadden, C.E., et al.: J. Heterocyclic Chem., 37, 1623 (2000);<br></p>

<p>Applications A labelled metabolite of Lumefantrine (L474000).<br>References Lefevre, G., et al.: Br. J. Clin. Pharmacol., 54, 485 (2002), Schepers, U., et al.: J. Pharm. Biomed. Anal., 310 (2005),<br></p>

<p>Applications Labelled Tylosin (T947650). Tylosin is a macrolide antibiotic isolated from a strain of Streptomycetes fradiae found in soil from Thailand. Antibacterial.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Hamill, et al.: Antibiot. Chemother., 11, 328 (1961), Corcoran, J.W., et al.: J. Antibiot., 30, 1012 (1977), Seno, E.T., et al.: Antimicrob. Agents. Chemother., 11, 455 (1977),<br></p>

<p>Applications Enrofloxacin-d5 is a labelled fluorinated quinolone antibacterial.<br>References Altreuther, P., et al.: Vet. Med. Rev., 2, 87 (1987),<br></p>

<p>Ledipasvir (GS-5885) is a Hepatitis C Virus NS5A Inhibitor.</p>

<p>Stability Light Sensitive<br>Applications Fumagillin is a compound isolated from the fungus Aspergillus fumigatus. Fumagillin is an antimicrobial agent used in the treatment of microsporidiosis. Fumagillin shows promise as both an an anti-infective and antiangiogenic agent.<br>References Molina, J.M. et al.: N. Eng. J. Med., 346, 1963 (2002); Hou, L. et al.: Pathol. Int., 59, 448 (2009); Ingber, D. et al.: Nature, 348, 555 (1990);<br></p>

<p>Applications Second-generation labelled cephalosporin antibiotic. Antibacterial.<br>References Gray, B.M., et al.: Antimicrob. Agents Chemother., 13, 988 (1978), Lorenz, L.J., et al.: Anal. Profiles Drug Subs., 9, 107 (1980), Hori, R., et al.: J. Pharm. Pharmacol., 40, 646 (1988),<br></p>

<p>Impurity Ivermectin EP Impurity D<br>Applications 28-Oxo Ivermectin B1a is an impurity of Ivermectin (I940800), an antiparasitic drug that is active against a wide variety of nematode and arthropod parasites and is used to treat scabies and lice in humans. An invitro inhibitor of SARS-CoV-2/ Covid-19.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Campbell, W., et al.: Science, 221, 823 (1983); Glaziou, P., et al.: Trop. Med. Parasitol., 45, 253 (1994); Meinking, T., et al.: New Engl. J. Med., 333, 26 (1995); Caly, L., et al.: Antivir. Res., 178<br></p>

<p>Applications (9E)-Erythromycin A Oxime is a metabolite of Roxithromycin (R700850) in humans. It has anti-Helicobacter pylori activity<br>References Nam, G. et al.: Bioorg. Med. Chem. Lett., 16, 569 (2006); Zhong, D. et al.: Drug Metab. Dispos., 28, 552 (2000); Yamazaki, H. et al.: Drug. Metab. Dispos., 26, 1053 (1998)<br></p>

<p>Applications Defluoro Linezolid is a defluorinated impurity of Linezolid (L466500).<br>References Kugelmann, E. et al.: J. Pharmac. Biomed. Anal., 54. 1047 (2011);<br></p>

<p>Impurity Clavulanate Potassium EP Impurity C<br>Applications 3-Ethyl-2,5-pyrazinediethanol (Clavulanate Potassium EP Impurity C) is an impurity of Clavulanic acid (C563750). High concentrations of Clavulanic acid but not of its degradation products decrease glycerol consumption and oxygen uptake rates in cultures of Streptomyces clavuligerus.<br>References Zupke, C., et al.: Biotechnol. Prog., 10, 489 (1994), Finlay, J., et al.: J .Antimicrob. Chemother., 52, 18 (2003), Alper, H., et al.: Science, 314, 1565 (2006), Brethauer, S., et al.: Biotechnol. Bioeng., 98, 356 (2007),<br></p>

<p>Eribulin binds microtubules, halts cancer cell growth, treating metastatic breast cancer.</p>

<p>Applications Rifampicin N-Oxide is related to Rifapentine(R508500) a compound with antibacterial properties.<br>References Arioli, V., et al.: J. Antibiot., 34, 1026 (1981), Neu, H.C., et al.: Antimicrob. Agents Chemother., 24, 457 (1983)<br></p>

<p>Impurity Erythromycin EP Impurity E<br>Applications Erythromycin A Enol Ether (Erythromycin EP Impurity E) is an impurity of Erythromycin.<br>References McGuire, J.M., et al.: Antibiot. Chemother., 6, 281 (1952), Steffansen, B., et al.: Int. J. Pharm., 56, 159 (1989), Goldman, R.C., et al.: Antimicrob. Agents Chemother., 34, 1973 (1990),<br></p>

<p>Stability Very Hygroscopic<br>Applications A Desfuroyl Ceftiofur-related metabolite that have the potential to be microbiologic active in swine muscle, kidney, liver and fat.<br>References Gilbertson, T., et al.: J. Agric. Food Chem., 43, 229 (1995), Olson, S., et al.: Vet. Pharmacol. Therap., 21, 112 (1998), Hornish, R., et al.: Curr. Top Med. Chem., 2, 717 (2002),<br></p>

<p>Applications Labelled ester analog of Rapamycin.<br>References Raymond, E., et al.: J. Clin. Oncol., 22, 2336 (2004), Galanis, E., et al.: J. Clin. Oncol., 23, 5294 (2005)<br></p>

<p>Applications Epothilones are polyketide natural products that inhibit cancer cells by a mechanism similar to paclitaxel, and also are effective against paclitaxel-resistant tumours. Epothilone D is in phase I clinical testing of in patients with advanced solid tumours. Epothilone D is a cytotoxic macrolide that stabilises malignant cells' microtubules and arrests mitosis, a characteristic it shares with other epothilones. They bind to the same hepatic sites as does paclitaxel (Taxol) in a 1:1 stoichiometric ratio of a, b-tubulin heterodimers.<br>References Bollag, D.M., et al.: Cancer. Res., 55, 2325 (1995), Hardt, I.H., et al.: J. Nat. Prod., 64, 847 (2001), Gerth, K., et al.: J. Antibiot., 55, 41, 45 (2002)<br></p>

<p>Applications L-Cycloserine is an irreversible inhibitor of 3-ketodihydrosphingosine synthetase.<br></p>

<p>Applications An orally active, antimycotic allylamine related to naftifine. A specfic inhibitor of squalene epoxidase, a key enzyme in fungal ergosterol biosynthesis.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Petranyi, G., et al.: Science, 224, 1239 (1984), Ryder, N.S., et al.: Antimicrob. Agents Chemother., 27, 252 (1985), Evans, E.G.V., et al.: Br. Med. J., 318, 1031 (1999),<br></p>

<p>Applications A fungal metabolite which is a potent inhibitor of HMG-CoA reductase.<br>References Endo, A., et al.: FEBS Letters, 72, 323 (1976), Endo, A.: J. Med. Chem., 28, 401 (1985)<br></p>

<p>Applications Azithromycin-d5, is the labeled analogue Azithromycin (A927000), a semi-synthetic macrolide antibiotic; related to Erythromycin A. Antibacterial.<br>References Langtry, H.D., et al.: Drugs, 56, 273 (1998),<br></p>

<p>Stability Light Sensitive<br>Applications A metabolite of Rifampicin.<br>References Blumenfeld,O.O., et al.: J. Biol. Chem., 236, 2472 (1961), Cowxan, R.A., et al.: Biochem. Biophys. Res. Commun, 23, 799 (1966)<br></p>

<p>Applications An antibacterial.<br>References Hirai, K., et al.: Antimicrob. Ag. Chemother., 29, 1059 (1986), Weidekamm, E., et al.: Antimicrob. Ag. Chemother., 31, 1909 (1987), Boerema, J.B.J., et al.: J. Antimicrob. Chemother., 21, 140 (1988)<br></p>

<p>Applications An immunosuppressant that blocks T cell proliferation in vitro by inhibiting the generation of several lymphokines, especially IL-2. Shown to inhibit the activity of FK-506 binding protein, thereby reversing its effects on sarcoplasmic reticulum Ca+2 release.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Asano, K., et al.: In Vivo, 10, 537 (1996), McCall, E., et al.: Circ. Res., 79, 1110 (1996), Raufman, J.P., et al.: J. Biol. Chem., 271, 19877 (1996), Rokaw, M.D., et al.: Am. J. Physiol., 271, C194 (1996), Knoll, G.A., and Bell, R.C.: Brit. Med. J., 318, 1104 (1999)<br></p>

<p>Impurity Clarithromycin EP Impurity Q<br>Applications Clarithromycin N-oxide (Clarithromycin EP Impurity Q) is an urinary metabolite of Clarithromycin (C559750), a macrolide antibiotic.<br>References Jones, P., et al.: J. Med. Chem., 15, 631 (1972), Watanabe, Y., et al.: J. Antibiot., 46, 647 (1983), Ohmori, S., et al.: Drug Metab. Dispos., 21, 358 (1993),<br></p>

<p>Applications 4-Nitrobenzaldehyde is a benzaldehyde with a nitro group in the para position. It is used as a reagent in decarboxylative aldol reactions that are catalyzed by lipases and proteases in organic co-solvent mixtures.<br>References Chaurasia, P.K., et al.: Synthetic Commun., 44, 2535 (2014); Ishikawa, F., et al.: Bioorg. Med. Chem., 21, 7011 (2013); Jiang, L., et al.: Biotechnol. Lett., 36, 99 (2014)<br></p>

<p>Impurity Cefpodoxime Proxetil EP Impurity A<br>Stability Hygroscopic<br>Applications Cefpodoxime Acid (Cefpodoxime Proxetil EP Impurity A) is a metabolite of Cefpodoxime Proxetil (C243860). An antibacterial.<br>References Fujimoto, K., et al.: J. Antibiot., 40, 370 (1987), Utsui, Y., et al.: Antimicrob. Agents Chemother., 31, 1085 (1987),<br></p>

<p>Applications Spiramycin is a macrolide antibiotics.<br>References Patil, S., et al.: World J. Pharm. Res., 5, 1529 (2016)<br></p>

<p>Applications Retapamulin is an antibacterial agent used as a substitute for the more commonly known Penicillin (P223505).<br>References Goldenthal, E.I., et al.: Toxicol. Appl. Pharmacol., 18, 185 (1971), Dunham, J.M., et al.: Anal. Profiles Drug Subs., 1, 249 (1972),<br></p>

<p>Stability Hygroscopic<br>Applications A cephalosporin antibiotic. Antibacterial.<br>References Dajan, A., et al.: Vet. Microbiol., 35, 213 (1993), Becker, M., et al.: Anal. Chim. Acta, 520, 19 (2004), El-Shaboury, S., et al.: J. Pharm. Biomed. Anal., 45, 1 (2007),<br></p>

<p>Stability Hygroscopic<br>Applications Chloramphenicol Palmitate is a Chloramphenicol (C325030) derivative, a broad spectrum antibiotic obtained from cultures of the soil bacterium Streptomyces venezuelae. It has a broad spectrum of activity against Gram-positive and gram-negative bacteria. Antibacterial; antirickettsial.<br>References Bartz, et al.: J. Biol. Chem., et al.: 172, 445 (1948), Gottlieb, et al.: J. Bacteriol., 55, 409 (1948), Szulczewski, D., et al.: Anal. Profiles Drug Subs., 4, 47 (1975), Price, A., et al.: J. Antibiot., 43, 118 (1981), Shalit, I., et al.: Drugs, 28, 281 (1984),<br></p>

<p>Applications Orally active labelled triazole antifungal.<br>References Cacciapuoti, A., et al.: Antimicrob. Agents Chemother., 44, 2017 (2000), Herbrecht, R., et al.: Int. J. Clin. Pract., 58, 612 (2004), Panackal, A., et al.: J. Clin. Microbiol., 44, 1740 (2006),<br></p>

<p>Applications A major photoproduct (impurity) of Griseofulvin (G787500).<br>References Mantle, P., et al.: J. Gen. Microbiol., 130, 1293 (1984), Boonphong, S., et al.: J. Nat. Prod., 64, 965 (2001),<br></p>

<p>Impurity Cefadroxil EP Impurity B<br>Applications 7-Aminodesacetoxycephalosporanic Acid (Cefadroxil EP Impurity B) is a metabolite of Cephalexin (C256800).<br>References Dantzig, A., et al.: Biochim. Biophys. Acta, 1027, 211 (1990), Shen, H., et al.: J. Biol. Chem., 278, 4786 (2003), Watanabe, C., et al.: Drug Metab. Pharmacokinet., 20, 443 (2005)<br></p>

<p>Applications Cefdinir Sulfoxide is the oxide derivative of Cefdinir (C242670); a Cephalosporin antibiotic structurally similar to Cefixime.<br>References Inamoto, Y., et al.: J. Antibiot., 41, 828 (1988)<br></p>

<p>Applications 4'-O-2,6-Dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl Selamectin is an impurity of Selamectin (S247990) which is a topical parasiticide. Selamectin (S247990) is also used as a veterinary antihelminithic agent on animals.<br>References Eshar, D., et al.: J. Am. Veterin. Med. Association., 241, 1056 (2012); Geis-Asteggiante, L., et al.: J. Chromatograph., 1258, 43 (2012);<br></p>

<p>Applications 3(2H)-Isoxazolone is a 3-hydroxyisoxazole with fungicidal activity. 3(2H)-Isoxazolone is an impurity of Cycloserine (C988800).<br>References Takahi, Y.: San. Kenk. Nen., 25, 8 (1973);<br></p>

<p>Applications CP 1282 is the tautomer of the antibiotic Cefotetan (C242970) with similar degradation rates.<br>References Koshiro, A. et al.: Chem. Pharm. Bull., 37, 1864 (1989); Naber, K. et al.: Zeitsch. Antmickrob. Antineoplast. Chemother., 2, 161 (1984);<br></p>

<p>Applications A fluoroquinolone used in the synthesis of Gatifloxacin (G250000).<br>References Sunderland, J., et al.: J. Antimicrob. Chemother., 47, 271 (2001), Herzler, M., et al.: J. Anal. Toxicol., 27, 233 (2003), Li, Y., et al.: J. Pharm. Biomed. Anal., 35, 1101 (2004),<br></p>

<p>Stability Hygroscopic, Light Sensitive<br>Applications Rifabutin N-Oxide is a metabolite of Rifabutin (R505000) and like its parent compound it exhibits antibacterial activity.<br>References Medeiros, M., et al.: PCT Int. Appl., 44, (2004); Anand, R., et al.: Antimicrob. AG. Chemother., 32 (684 (1988), Skinner, M.H., et al.: Antimicrob. Agent Chemother., 33, 1237 (1989),<br></p>

<p>Applications Linezolid (L466500) intermediate.<br></p>

<p>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.<br>References Stuetz, A., et al.: J. Med. Chem., 29, 112 (1986); Berman, J., et al.: PCT Int. Appl., 2004:515512 (2004)<br></p>

<p>Stability Unstable in Solution<br>Applications p-Hydroxypenicillin V is a byproduct in the synthesis of Penicillin V (P223500), an antibacterial agent.<br>References Goldenthal, E.I., et al.: Toxicol. Appl. Pharmacol., 18, 185 (1971), Dunham, J.M., et al.: Anal. Profiles Drug Subs., 1, 249 (1972),<br></p>

<p>Applications A dimer impurity of the antibacterial Cefpodoxime Proxetil (C243870).<br></p>

<p>Stability Hygroscopic<br>Applications Clarithromycin 9-Oxime is an impurity of Clarithromycin (C559750), a macrolide antibiotic.<br>References Stephanic, V. et al.: J. Med. Chem., 54, 719 (2011); Chen, X. et al.: Zhong. Yao., 17, 32 (2008);<br></p>

<p>Applications Inhibits hemozoin formation. Antimalarial.<br>References Kumar, N., et al.: Parasitol Res., 76, 214 (1990), Pradines, B., et al.: Antimicrob. Agents Chemother., 43, 418 (1999), Chotivanich, K., et al.: J. Infect. Dis., 182, 629 (2000), Mutabingwa, T., et al.: Lancet, 365, 1474 (2005),<br></p>

<p>Stability Unstable in basic solution<br>Applications Oxytetracycline metabolite (absolute stereochemistry unknown)<br>References Mackie, R., et al.: Animal Biotechnol., 17, 157 (2006), Smyrniotakis, C., et al.: J. Pharm. Biomed. Anal., 43, 506 (2007), Li, D., et al.: Env. Toxicol. Chem., 27, 80 (2008),<br></p>

<p>Stability Light Sensitive<br>Applications Semisynthetic antibiotic. Antibacerial (tuberculostatic).<br>References Furesz, et al.: Antibiot. Chemother., 16, 316 (1970), Gallo, G.G., et al.: Anal. Profiles Drug Subs., 5, 467 (1976),<br></p>

<p>Applications Ivermectin B1a-D2 is a deuterium labelled analogue of Ivermectin B1a (I940815), which is a major component of Ivermectin (I940800), a semi-synthetic derivative of Abamectin; consists of a mixture of not less than 80% component B1a and not more than 20% component B1b. Antihelmintic (Onchocerca). An invitro inhibitor of SARS-CoV-2/ Covid-19.<br>References Chabala, J.C., et al.: J. Med. Chem., 23, 1134 (1980); Campbell, W.C., et al.: Science, 221, 823 (1983); Bennett, J.L., et al.: Parasitol. Today, 4, 226 (1988); Plaisier, A.P., et al.: J. Infect. Dis., 172, 204 (1995);; Caly, L., et al.: Antivir. Res., 178<br></p>

<p>Applications A metabolite of the fluorinated quinolone antibacterial Ciprofloxacin.<br></p>

<p>Applications A derivatized of AMOZ (A634600), a metabolite of Nitrofuran.Environmental contaminants; Food contaminants; Heat processing contaminants<br>References Vroomen, L., et al.: Toxicol. Appl. Pharmacol., 95, 53 (1988), Delatour, T., et al.: J. Agric. Food Chem., 51, 6371 (2003), Stadler, R., et al.: Analyst, 129, 276 (2004),<br></p>

<p>Applications 3-Chloro-D-alanine Methyl Ester Hydrochloride is an intermediate in the preparation of antibiotic D-Cycloserine (C988815) which inhibits cell wall biosynthesis in bacteria.<br>References Lamb., J.W., et al.: Anal. Profiles Drug Subs., 1, 53 (1972); Gentry-Weeks, C., et al.: J. Biol. Chem., 268, 7298 (1993); Alexander, F., et al.: Eur. J. Biochem., 219, 953 (1994); Auger, S., et al.: Biochimie, 87, 231 (2005); Chem and Eng. News p. 12, Dec. 7/14 (2015);<br></p>

<p>Impurity Ivermectin EP Impurity K<br>Applications 3,4-Dihydro Ivermectin is an impurity of Ivermectin (I940800), an antiparasitic drug that is active against a wide variety of nematode and arthropod parasites and is used to treat scabies and lice in humans. An invitro inhibitor of SARS-CoV-2/ Covid-19.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Campbell, W., et al.: Science, 221, 823 (1983); Glaziou, P., et al.: Trop. Med. Parasitol., 45, 253 (1994); Meinking, T., et al.: New Engl. J. Med., 333, 26 (1995); Caly, L., et al.: Antivir. Res., 178<br></p>

<p>Impurity Ceftazidime EP Impurity E<br>Applications Ceftazidime t-Butyl Ester (Ceftazidime EP Impurity E) Ceftazidime t-Butyl ester is an impurity of Ceftazidime (C244100). Ceftazidime impurity C.<br>References Miyake, A., et al.: Antimicrob. Agents Chemother., 486, 182 (1989), Seibert, G., et al.: Arzneim.-Forsch., 33, 1084 (1983),<br></p>

<p>Applications 2-Mercapto-4-methyl-5-thiazoleacetic Acid is used as a reagent for determination of hydroxylamine using fused gold nanoparticles immobilized on sol-gel film modified gold electrode.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Kannan, P., John, A.: Anal. Chim. Acta, 663, 158 (2010);<br></p>

<p>Applications N-Desmethyl-6-O-methylerythromycin (9E)-Oxime is a derivative of Clarithromycin (C559750); a semi-synthetic macrolide antibiotic and derivative of Erythromycin (E650000).<br>References Benson, C., et al.: Eur. J. Clin. Microbiol., 6, 173 (1987); Boyanova, L., et al.: J. Med. Microb., 61, 85 (2012); Lin, Z., et al.: Toxicol. Sci., 126, 114 (2012)<br></p>

<p>Stability Light Sensitive<br>Applications A glycylcycline antibiotic, used to treat infection by drug resistant bacteria such as Staphylococcus aureus (Staph aureus) and Acinetobacter baumannii.<br>References Lim, T., et al.: J. Antibiotics, 62, 675 (2009), Presterl, E., et al.: Antimicrob. Agents Chemother., 53, 3205 (2009), Varma, M., et al.: J. Med. Chem., 52, 4844 (2009),<br></p>

<p>Applications Amoxicillin is an antibiotic used in the treatment of various bacterial infections.<br></p>

<p>Stability Hygroscopic<br>Applications A macrolide compound which is known to have antibacterial activity, and is useful in the therapy of bacterial infections in mammals. Antibiotic.<br>References Broto, P., et al.: Eur. J. Med. Chem., 19, 71 (1984), Farrar, V., et al.: J. Med. Chem., 36, 3517 (1993), Clark, D., et al.: J. Pharm. Sci., 88, 807 (1999),<br></p>

<p>Applications Semi-synthetic derivative of Abamectin; consists of a mixture of not less than 80% component B1a and not more than 20% component B1b. Anthelmintic (Onchocerca).<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Chabala, J.C., et al.: J. Med. Chem., 23, 1134 (1980); Campbell, W.C., et al.: Science, 221, 823 (1983); Bennett, J.L., et al.: Parasitol. Today, 4, 226 (1988); Plaisier, A.P., et al.: J. Infect. Dis., 172, 204 (1995);<br></p>

<p>Applications Intermediate in the semi-synthetic cephalosporins synthesis. Found in Acremonium chrysogenum.<br>References Fukagawa, M. et al.; Agr. Biol. Chem. 55, 2163 (1991)<br></p>