Antibiotici Naturali e Semisintetici

<p>Applications An inactive metabolite of Linezolid (L466500).<br>References Shinabarger, D., et al.: Antimicrob. Agents Chemother., 41, 2132 (1997), Wynalda, M., et al.: Drug Metab. Dispos., 28, 1014 (2000),<br></p>

<p>Applications A phosphocholine ester metabolite of the immunosuppressant macrolide SDZ RAD (also known as Everolimus E945400) which is an analog of the parent drug Rapamycin (R124000).<br>References Zollinger, M. et al.: Drug. Metab. Disp., 36, 1457 (2008); Kovarik, J. M., et al.: Clin. Pharmacol. Ther., 69, 48 (2001);<br></p>

<p>Applications Nebramine Sulfate is a degradation product on the antibiotic Tobramycin (T524000).<br>References Brandl, M. et al.: Drug Dev. Indust. Pharm., 18, 1423 (1992); Ghinami, C. et al.: J. Chrom. A, 1139, 52 (2007);<br></p>

<p>Applications Bacitracin Zinc is a peptide antibiotic effective against gram-postive bacteria. Bacitracin is an inhibitor of peptidoglycan synthesis. Bacitracin disrupts bacterial cell wall synthesis by inhibiting dephosphorylation of lipid pyrophosphate. Bacitracin also strongly inhibits proline endopeptidase from human muscle.<br>References Ward, J.B. et al.: Biochem. J., 141, 227 (1974); Anastasi, A. et al.: Biochem. J., 290, 601 (1993); Daly, D.J. et al.: Biochem. Soc. Trans., 13, 1161 (1985); Weinberg, E.D. et al.: Antibiot. Ber., 90, (1967);<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>Applications Moxidectin EP L is an impurity of Moxidectin (M744800) which is a macrocyclic lactone and semisynthetic derivative of nemadectin. Moxidectin is a parasiticide used for the prevention and control of heartworm and intestinal worms. Moxidectin is found in veterinary medicine used to treat animals such as dogs, cats, horses, cattle and sheep.<br>References Bisset, S.A. et al.: New Zeal. Vet. J., 40, 97 (1992); Monahan, C.M. et al.: Vet. Parasitol., 63, 225 (1996); Glickman, L.T. et al.: Int. J. Appl. Res. Vet. Med., 3, 49 (2005);<br></p>

<p>Applications The major glucuronide metabolite of Chloramphenicol (C325030).<br>References Simons, P., et al.: Xenobiotica, 22, 1267 (1992), Kaji, H., et al.: Drug Metab. Dispos., 33, 60 (2005),<br></p>

<p>Stability Hygroscopic<br>Applications Vancomycin Hydrochloride is an antibiotic used against gram-positive bacterial strains.<br>References Yao, N., et al.: Biopolymers, 90, 421 (2008); Lai, H., et al.: ACS Appl. Mater. Interfaces, 7, 2046 (2015);<br></p>

<p>Stability Store in Freezer<br>Applications Clarithromycin is a semi-synthetic macrolide antibiotic. Clarithromycin is a 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>Applications Cephalosporin 87/359 is an impurity of Cefoxitin (C243190). Cefoxitin is a semi-synthetic antibiotic derived from Cephamycin C, possessing high resistance to β-lactamase inactivation. An antibacterial.<br>References Wallick, H., et al.: Antimicrob. Agents Chemother., 5, 25 (1974), Brenner, G.S., et al.: Anal. Profiles Drug Subs., 11, 169 (1982),<br></p>

<p>Stability Hygroscopic<br>Applications Gatifloxacin impurity.<br>References Naber, C., et al.: Antimicrob. Agents Chemother., 45, 293 (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>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 Semi-synthetic derivative of Erythromycin. Antibacterial.<br>References Firl, J., et al.: J. Antibiot., 43, 1271 (1990), Counter, et al.: Antimicrob. Agents Chemother., 35, 1116 (1991), Castaldo, R., et al.: Clin. Ther., 25, 542 (2003),<br></p>

<p>Demeclocycline (Declostatin) is a tetracycline antibiotic from Streptomyces aureus that has antimicrobial activity and can be used to induce dysuria.</p>

<p>Applications N-Demethyl Rifampicin is a metabolite of Rifampicin (R508000).<br>References Marsili, L., et al.: J. Antibiot., 37, 1209 (1984), Nikaido, H., et al.: Antimicrob. Ag. Chemother., 37, 1393 (1993), Piddock, L., et al.: J. Antimicrob. Chemother., 45, 159 (2000),<br></p>

<p>Impurity Clavulanate Potassium EP Impurity A<br>Applications 2,5-Pyrazinediethanol (Clavulanate Potassium EP Impurity A) 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>Applications (trans)-4-Propyl-1-methyl-L-proline (cas# 13380-36-4) is a compound useful in organic synthesis.<br></p>

<p>Applications Anidulafungin Open-chain Degradant is an impurity of Anidulafungin (A673000) which is used as an antifungal drug.<br>References Denning, D. W., et al.: J. Antimicrob. Chemother, 40, 611 (1997); Vazquez, J. A., et al.: Clin. Ther., 27(6), 657 (2005);<br></p>

<p>Applications N-[(2R)-3-[[3-Fluoro-4-(4-morpholinyl)phenyl]amino]-2-hydroxypropyl]acetamide is an impurity of Linezolid (L466500).<br>References Gregory, W., et al.: J. Med. Chem., 32, 1673 (1989), Shinabarger, D., et al.: J. Antimicrob. Agents Chemother., 41, 2132 (1997),<br></p>

<p>Applications A selective HIV protease inhibitor. An analogue of Ritonavir.<br>References Adkins, J.C., et al.: Drugs, 55, 837 (1998)<br></p>

<p>Applications Polyene antifungal antibiotic complex containing 3 biologically active components, A1, A2, A3. Increases the permeability of the cell membrane of sensitive fungi by binding to sterols. Cell culture tested. Growth promotant.Nystatin A1 is shown.<br>References Brautaset, T., et al.: Chem. Biol., 7, 395 (2000), Brautaset, T., et al.: J. Biol. Chem., 278, 14913 (2003), Bruheim, P., et al.: Antimicrob. Agents Chemother., 48, 4120 (2004), Scott, L., et al.: Drugs, 67, 269 (2007),<br></p>

<p>Applications Third generation, orally active cephalosporin antibiotic. Antibacterial.<br>References Wise, R., et al.: Antimicrob. Agents Chemother., 29, 1067 (1986), Hirai, S., et al.: Jpn. J. Antibiot., 39, 958 (1986), Lentz, K., et al.: Int. J. Pharm., 200, 41 (2000), Takagi, T., et al.: Mol. Pharmaceutics, 3, 631 (2006), Gu, C., et al.: Pharm. Res., 24, 1118 (2007),<br></p>

<p>Stability Hygroscopic<br>Applications Desfuroyl Ceftiofur Dimer is an impurity of the drug Ceftiofur (C244695), a third generation cephalosporin antibiotic used in veterinary medicine.<br>References Donaldson, S.C. et al.: Appl. Environ. Microbiol., 72, 3940 (2006); Yancey, R.J. et al.: Am. J. Vet. Res., 48, 1050 (1987);<br></p>

<p>Applications Broad spectrum aminocyclitol antibiotic and component of the Nebramycin complex, produced by a strain of Streptomyces tenebrarius. Antibacterial.<br>References Thompson, R.Q., et al.: Antimicrob. Agents Chemother., 332 (1967), Ryden, R., et al.: J. Antimicrob. Chemother., 3, 609 (1977), Smith, P., et al.: Clin. Therap., 23, 1231 (2001),<br></p>

<p>Stability Hygroscopic<br>Applications Delactamimipenem Monosodium is an impurity found in imipenem (I465200).<br>References Ratcliffe, R.W., et. al.: J. Org. Chem., 54, 653 (1989)<br></p>

<p>Applications 11-Desmethyl Rifaximin is a compound useful in organic synthesis.<br></p>

<p>Applications A metabolite of carboxylic acid.<br>References Bardsley, W., et al.: Biochem. J., 122, 557 (1971), Kim, J., et al.: Biosci. Biotechnol. Biochem., 69, 1331 (2005), Kopka, J., et al.: J. Biotechnol., 124, 312 (2006),<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 Abamectin is a mixture of avermectins, containing at least 80% of avermectin B1a (C48H72O14) and not more than 20% of avermectin B1b (C47H70O14). Used as acaricide, insecticide, Cannabis pesticide detection.<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 Wang, S., et al.: Prog. Clin. Biol. Res., 97, 373 (1982); Greenblatt, J.A., et al.: J. Agric. Entomol., 3, 233 (1986); Drexler, G., et al.: Eur. J. Pharmacol., 99, 269 (1984);<br></p>

<p>Stability Hygroscopic<br>Applications A labelled metabolite of Cephapirin (C261500) in bovine milk.<br>References Moats, W., et al.: J. Agric. Food Chem., 48, 498 (2000),<br></p>

<p>Stability Hygroscopic<br>Applications Orally active, third generation cephalosporin antibiotic.<br>References Kamimura, T., et al.: Antimicrob. Agents Chemother., 25, 98 (1984),Yamanaka, H., et al.: J. Antibiot., 38, 1738 (1985), Guay, D.R.P., et al.: Antimicrob. Agents Chemother., 30, 485 (1986),<br></p>

<p>Applications Semi-synthetic antibiotic related to Penicillin. Antimicrobial.<br>References Robinson, B., et al.: Biochem. Med. Metab. Biol., 48, 122 (1992), Lesnefsky, E., et al.: J. Biol. Chem., 279, 47961 (2004), Marroquin, L., et al.: Toxicol. Sci., 97, 539 (2007),<br></p>

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

<p>Impurity Clarithromycin EP Impurity N<br>Applications (10E)-10,11-Didehydro-11-deoxy-6-O-methylerythromycin (Clarithromycin EP Impurity N) is a Erythromycin (E649950) derivative.<br></p>

<p>Applications Pneumocandin B0 is the major analogue of a family of lipopeptides isolated from several species of several different genera, such as Cryptosporiopsis, Glarea and Pezicula. Pneumocandin B0 is a potent antifungal and acts by inhibition of the synthesis of β-(1,3)-D-glucan, an essential component of the cell wall of susceptible fungi.<br>References Schwartz, R., et al.: J. Antibiot., 45, 1853 (1992); Petersen, L., et al.: Appl. Microbiol. Biotechnol., 62, 263 (2003), Petersen, L., et al.: Appl. Microbiol. Biotechnol., 62, 263 (2003),<br></p>

<p>Applications Chloramphenicol Succinate Sodium is a derivative of Chloramphenicol (C325030) which are 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 1-butylpiperidine-2-carboxylic acid (cas# 856838-98-7) is a useful research chemical.<br></p>

<p>Applications Antibiotic substance produced by Streptomyces antibioticus no. ATCC 11891. Antibacterial.<br>References Sous, H., et al.: Arzneim.-Forsch., 8, 386 (1958), Hahn, et al.: Antibiotics, 1, 378 (1967),<br></p>

<p>Applications Labelled Florfenicol (F405750). Florfenicol is a fluorinated derivative of thiamphenicol. Florfenicol inhibits bacterial protein synthesis by binding to ribosome 50S and 70S subunits. Florfenicol is used as an antibacterial.<br>References Kim, E and Aoki, T.: Microbiol. Immunol., 40, 665, (1996), Keyes, K.: Antimicrob. Agents Chemother., 44, 421 (2000)<br></p>

<p>Stability Hygroscopic<br>Applications 4a-Hydroxy 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>Applications An antibacterial.<br>References Yancey, R.J., et al.: Am. J. Vet. Res., 48, 1050 (1987)<br></p>

<p>Applications Linezolid N-Oxide-D3 is a labelled analogue of Linezolid N-oxide (L466530). Linezolid N-oxide is a derivative of Linezolid (L466500), an oxazolidinone antimicrobial that is used to treat infections against gram-positive bacteria, especially those that are drug-resistant (such as Vancomycin [HCl: V096500] resistant enterococci). Linezolid works by inhibiting bacterial protein synthesis.<br>References Dennis, L., et al.: Clin. Infect. Dis., 34, 1481 (2002); Clemett, D. &amp; Markham, A.: Drugs, 59, 815 (2000); Gonzales, R., et al.: Lancet, 357, 1179 (2001); Tsiodras, S., et al.: Lancet, 358, 207 (2001)<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 Isotope labelled Ivermectin, is the labeled analogue of Ivermectin (I940800), which is 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> 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), ; Caly, L., et al.: Antivir. Res., 178<br></p>

<p>Impurity Tacrolimus 8-Propyl Analog (USP)<br>Applications A novel analog of FK-506 (F370000) macrocycle.<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 Kino, T., et al.: J. Antibiot., 40, 1249 (1987), Motamedi, H., et al.: J. Bacteriol., 178, 5243 (1996), Dai, Y., et al.: Drug Metab. Dispos., 34, 836 (2006),<br></p>

<p>Stability Hygroscopic<br>Applications Cefixime EP Impurity B Acetic Acid Salt is an impurity of the third generation cephalosporin antibiotic, Cefixime (C242800).<br>References Bian, L. et al.: Yao. Fen. Zaz., 30, 872 (2010);<br></p>

<p>Applications Fumagillol is an analog of Fumagillin (F862650), 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 Cefodizime is a third generation cephalosporin with a broad spectrum of antibacterial activity. Cefodizime maybe useful in the treatment of otitis media, sinusitis and gynaecological infections, and for the prophylaxis or treatment of surgical infections.<br>References Barradel, L.B. et al.: Drugs, 44, 800 (1992); Kasai, K. et al.: Jap. J. Antibiot., 37, 1306 (1984);<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 Air Sensitive<br>Applications N-Formyl-3-mercaptovaline acts as a reagent in the preparation of derivatives of D-penicillamine as potential antiarthritic agents.<br>References Reich, M. F., et al.: Bioorg. Med. Chem. Lett., 4, 1167 (1994)<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 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>Applications D-threo-(-)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol is an impurity of Chloramphenicol (C325030), a broad spectrum antibiotic agent obtained from cultures of the soil bacterium Streptomyces venezuelae.<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 Mehta, J., et al.: J. Biotechnol., 155, 361 (2011); Samsonova, J.V., et al.: Anal. Lett., 43, 133 (2010); Cravedi, J. P., et al.: Chem. Res. Toxciol., 8, 642 (1995); Wal, J.M., et al.: Antimicrob. Agent. Chemother., 24, 89 (1983);<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>Applications Erythromycin Ethyl Succinate is a derivative of Erythromycin (E649950), an antibiotic.<br>References Koch, W.L., et al.: Anal. Profiles Drug Subs., 8, 157 (1979); Serisier, D. et al.: J. Am. Med. Assoc., 309, 1206 (2013);<br></p>

<p>Impurity Azithromycin EP Impurity A<br>Applications 9-Deoxo-9a-aza-9a-homo Erythromycin A (Azithromycin EP Impurity A) is a novel intermediate of Azithromycin that acts as antibiotic.<br>References Krajacic, M.B., et al.: J. Antibiot., 58, 380 (2005),<br></p>

<p>Applications Amoxicillin is an antibiotic used in the treatment of various bacterial infections.<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 An intermediate in the preparation of labelled FK-506 (Tacrolimus)<br>References Rokaw, M.D., et al.: Am. J. Physiol., 271, C194 (1996), Knoll, G.A., et al.: Brit. Med. J., 318, 1104 (1999),<br></p>

<p>Stability Hygroscopic<br>Applications D-Penicillamine Disulfide is used in the treatment of neurodegenerative diseases such as Parkinson’s and Motor Neuron Disease. Inactivator of α1-antiproteinase, preventing deleterious effects of peroxynitrite.<br>References Peters, L. et al.: Xenobio., 25, 1013 (1994); Whiteman, M. et al.: Annals. Rheum. Dis., 55, 383 (1996);<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>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 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 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 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>Streptomycin (Agrept) is an aminoglycoside antibiotic isolated from Streptomyces species, a blocker of stretch-activated in neurons and cardiomyocytes.</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>Applications A dimer impurity of the antibacterial Cefpodoxime Proxetil (C243870).<br></p>

<p>Applications Triamilide antibiotic for treatment of bovine and porcine respiratory disease. Exists as an equilibrium mixture of two isomeric forms, Tulathromycin A (90%) and B (10%). Antibacterial.<br>References Benchaoui, H.A., et al.: J. Vet. Pharmacol. Ther., 27, 203 (2004), Nowakowski, M.A., et al.: Vet. Ther., 5, 60 (2004),<br></p>

<p>Stability Light Sensitive<br>Applications (Z)-Desbutyl Lumefantrine is a 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 Cycloserine. Antibacterial (tuberculostatic).<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),<br></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>Impurity Ciprofloxacin USP Related Compound A / EP Impurity D<br>Stability Hygroscopic<br>Applications 7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid Hydrochloride is an impurity in the synthesis of Ciprofloxacin (C482500), a fluorinated quinolone antibacterial.<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 Ciprofloxacin Hydrochloride Monohydrate is a fluorinated quinolone antibacterial.<br>References Hoffken, G., et al.: Antimicrob. Ag. Chemother., 27, 375 (1985), Scully, B.E., et al.: Lancet, 1, 819 (1986)<br></p>