Antibiotici Naturali e Semisintetici

<p>Applications Lumefantrine-d9, is the labeled analogue of Lumefantrine (L474000), which Inhibits hemozoin formation, used as 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>Applications Tulathromycin B is an antibiotic pharmaceutical and also a part of various veterinary compounds. This compound is used for treatment of bacterial and protozoal infections.<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>Impurity Clarithromycin EP Impurity D<br>Applications N-Desmethyl Clarithromycin (Clarithromycin EP Impurity D) is a metabolite of Clarithromycin (C559750).<br>References Jenuwein, T., et al.: Science, 293, 1074 (2001), Somech, R., et al.: Cancer Treat. Rev., 30, 461 (2004),<br></p>

<p>Applications D-Serine Methyl Ester Hydrochloride (cas# 5874-57-7) is a compound useful in organic synthesis.<br></p>

<p>Impurity Cefaclor EP Impurity B<br>Applications 7-Amino-3-chloro-3-cephem-4-carboxylic Acid (Cefaclor EP Impurity B) is used as an intermediate in the preparation of semi-synthetic cephalosprin antibiotics (1) such as cefachlor (2).<br>References 1. Yang, L. et el.: Biotechnol. Lett., 2003 Jul;25(14):1195-82. Zhang, Y. et al.: Biocatal. Biotransform., 2007 Jul;59(1):59-64<br></p>

<p>Impurity Rifaximin EP Impurity A<br>Applications 2-Amino-4-methylpyridine (Rifaximin EP Impurity A) is an impurity of Rifaximin.<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></p>

<p>Applications Antibiotic substance isolated from the elaboration products of the actinomycete, Streptomyces rimosus, grown on a suitable medium. Antibacterial.<br>References Finlay, et al.: Science, 111, 85 (1950), Weiss, et al.: Antibiot. Chemother., 7, 374 (1957), Kruse, H., et al.: Microb. Drug. Resist., 5, 135, (1999), van den Bogaard, A., et al.: J. Antimicrob. Chemother., 45, 663 (2000), Nwosu, V., et al.: Res. Microbiol., 152, 421 (2001),<br></p>

<p>Impurity Sulbactam EP Impurity A<br>Applications 3-Sulfino-D-valine (Sulbactam EP Impurity A) act as an effective scavengers of HOCl and has therapeutic effect which may be due to the protection of tissues against the reactive HOCl released by activated granulocytes at inflammation sites.<br>References Cuperus, R. A.; Biochim. Biophys. Acta, Protein Struct. Mol. Enzymol., 749, 18-23 (1983)<br></p>

<p>Applications (E)-Cefodizime can be obtained from Ethyl Acetate (E899545) which is a chemical intermediate used in the production of various analgesics, antibiotics and antimalarial agents.<br>References Mutti, F.G., et al.: Adv. Syn. Cata., 354, 3409 (2012); Subudhi, B., et al.: Bull. Chem. Soc., Ethiopia., 26, 455 (2012);<br></p>

<p>Impurity Azithromycin Related Compound O<br>Applications Azithromycin N-Ethyl is an analogue of Azithromycin (A927000), an semi-synthetic macrolide antibiotic that is related to Erythromycin (E649950).<br>References Bright, G.M., et al.: J. Antibio., 41, 1029 (1988);<br></p>

<p>Impurity Tacrolimus Related Compound A USP<br>Applications A potent immunosuppressive agent and could be used as a potential therapeutic agent for autoimmune diseases.<br>References Matuszewski, B., et al.: Anal. Chem., 75, 3019 (2003), Taylor, P., et al.: Clin. Chem., 51, 1890(2005);<br></p>

<p>Stability Sample is unstable in solution<br>Applications Erythromycin A N-oxide is a facile metabolite of erythromycin A.<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>Stability Hygroscopic<br>Applications VANCOMYCIN (cas# 1404-90-6) is a useful research chemical.<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>Stability Light Sensitive<br>Applications 8,9-Z-Abamectin B1a is a photodegradation product of Avermectin B1a (A794665); a natural product derived from the soil actinomycete Streptomyces avermitilis. It is an antiparasitic agent that paralyzes nematodes without causing hypercontraction or flaccid paralysis.<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 Lofgren, C.S., et al.: J. Econ. Entomol., 75, 798 (1982); Kass, I.S., et al.: P. Natl. Acad. Sci. USA, 77, 6211 (1980); Fritz, L.C., et al.: P. Natl. Acad, Sci. USA, 76, 2062 (1979); Maynard, M.S., et al.: J. Agr. Food Chem., 37, 1487 (1989); Maynard, M.S., et al.: B. Environ. Contam. Tox., 43, 499 (1989); Crouch, L.S., et al.: J. Agr. Food Chem., 39, 1310 (1991)<br></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 D-Cycloserine inhibits cell wall biosynthesis (D-Ala peptide bond formation). D-Cycloserine also prevents conversion of D-Ala to L-Ala. D-Cycloserine is an bacteriostatic. D-Cycloserine is an antibiotic against Gram-negative bacteria. There is evidence that D-cycloserine can enhance neuronal changes that lead to learning.<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 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 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>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>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 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>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 Tigecycline (open C-ring D-ring) quinone Trifluoroacetic Acid Salt is a salt of Tigecycline (open C-ring D-ring) quinone, an impurity of Tigecycline (T440015). Tigecycline (open C-ring D-ring) quinone is one of the very few glycylcycline antimicrobials that exhibit activity against Gram-negative bacteria and also one of the few that also circumvent around the major resistance mechanisms of tetracycline.<br>References Grosse, E., et al.: Clin. Infect. Dis. (Supplement 5), 41, S341 (2005); Livermore, D.: J. Antimicrob. Chemoth., 56, 611 (2005); Stein, G. &amp; Craig, W.: Clin. Infect. Dis., 43, 518 (2006)<br></p>

<p>Impurity Clarithromycin EP Impurity C<br>Applications Clarithromycin 9-Oxime (Clarithromycin EP Impurity C) 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>Stability Hygroscopic<br>Applications Isotope labelled Aztreonam (A965200), the first totally synthetic monocyclic β-lactam antibiotic.<br>References Sykes, R.B., et al.: Antimicrob. Agents Chemother., 21, 85 (1982), Florey, K., et al.: Anal. Profiles Drug Subs., 17, 1 (1988),<br></p>

<p>Stability Hygroscopic, Unstable in basic solution<br>Applications Oxytetracycline metabolite (absolute stereochemistry unknown)<br>References Paemen, L., et al.: Biochem. Pharmacol., 52, 105 (1996), Lykkeberg, A., et al.: J. Pharm. Biomed. Anal., 34, 325 (2004), Li, D., et al.: Env. Toxicol. Chem., 27, 80 (2008),<br></p>

<p>Applications A metabolite of the fluorinated quinolone antibacterial Ciprofloxacin.<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>Impurity Fosfomycin EP Impurity C (Barium Salt)<br>Stability Hygroscopic<br>Applications 2-Amino-3-hydroxy-2-(hydroxymethyl)propyl Phosphate Barium Salt (Fosfomycin EP Impurity C (Barium Salt)) is a Fosfomycin (F727500) impurity. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity.<br>References McGrath, J.W., et al.: Org. Biomolec. Chem., 7, 9 (1944); Goto, M., et al.: Antimicrob. Agents Chemother., 20, 393 (1981);<br></p>

<p>Applications A metabolite of Roxithromycin (R700850).<br>References Lindstrom, T., et al.: Antimicrob. Agents Chemother., 37, 265 (1993), Shimada, T., et al.: J. Pharmacol. Exp. Ther., 270, 414 (1994), Yamazaki, H., et al.: J. Toxicol. Sci., 21, 215 (1996),<br></p>

<p>Applications Thiamphenicol is an antibiotic. Thiamphenicol is the methyl-sulfonyl analogue of chloramphenicol and has a similar spectrum of activity, but is 2.5 to 5 times as potent. Thiamphenicol is used particularly for the treatment of sexually transmitted infections and pelvic inflammatory disease.<br>References Tikhonova, E., et al.: J. Biol. Chem., 279, 32116 (2004), Baucheron, S., et al.: J. Antimicrob. Chemother., 55, 707 (2005), Pages, J., et al.: Trends. Mol. Med., 11, 382 (2005), Lomovskaya, O., et al.: Biochem. Pharmacol., 71, 910 (2006), Samosorn, S., et al.: Bioorg. Med. Chem., 14, 857 (2006),<br></p>

<p>Impurity Azithromycin EP Impurity M<br>Applications Azithromycin (A927000) impurity. A degradation products of Azithromycin.<br>References Anon., et al.: Pharmaeuropa, 13, 750 (2001),<br></p>

<p>Impurity Amoxicillin EP Impurity G ; Amoxicillin USP Related Compound G<br>Applications p-Hydroxy-(D)-phenylglycyl Amoxicillin is a derivative of Amoxicillin (A634235) a semi-synthetic antibiotic related to Penicillin.<br>References Brogden, R.N., et al.: Drugs, 18, 169 (1979), Bird, A.E., et al.: Anal. Profiles Drug Subs. Excip., 23, 1 (1994),<br></p>

<p>Impurity Azithromycin EP Impurity J<br>Applications Descladinose Azithromycin (Azithromycin EP Impurity J) is a metabolite of the semi-synthetic macrolide antibiotic Azithromycin (A927000).<br>References Luke, D.R. et al.: Clin. Pharmacol. Therap., 61, 641 (1997); Foulds, G. et al.: Infect. Dis. THer., 18, 367 (1995);<br></p>

<p>Applications A Cycloserine dimer as potential impurity of drug Cycloserine (C988800).<br>References Perez-Sala, D., et al.: Biochem. Pharmacol., 38,1037 (1989),<br></p>

<p>Applications Labelled Clarithromycin (C559750). 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>Ledipasvir (GS-5885) is a Hepatitis C Virus NS5A Inhibitor.</p>

<p>Applications It is an antifungal drug. It is used both in animal and in humans, to treat rigworm infections of the skin and nails. It is derived from the mold Penicillium griseofulvum.Environmental contaminants; Food contaminants<br>References Oxford, et al.: Biochem. J., 33, 240 (1939), Townley, E.R., et al.: Anal. Profiles Drug Subs., 8, 219 (1979),<br></p>

<p>Neomycin sulfate (Framycin sulfate) is a broad-spectrum aminoglycoside antibiotic that blocks the synthesis of bacterial proteins in order to exert</p>

<p>Applications Salinomycin is an ionophore antibiotic used in farming for the prevention of coccidiodomycosis in poultry and to alter gut flora in order to improve nutrient absorption in ruminants. An anticoccidial agent.<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 Porter, C., et al.: Poult Sci., 34, 995 (1955), Hancock, R., et al.: Lancet, 349, 418 (1997), Ogita, A., et al.: Toxicology, 215, 205 (2005), Usuki, Y., et al.: Bioorg. Med. Chem. Lett., 16, 1553 (2006), Ogita, A., et al.: J. Antibiot., 60, 511 (2007),<br></p>

<p>Applications A metabolite of Rifampicin, a Rifamycin antibiotic.<br>References Assandri, A., et al.: J. Antibiot., 37, 1066 (1984), Utkin, I., et al.: Drug. Metab. Dispos., 25, 963 (1997), Weber, A., et al.: Biopharm. Drug. Dispos., 22(4), 157 (2001), Marek, C., et al.: Biochem. J., 387, 601 (2005),<br></p>

<p>Applications Intermediate in the synthesis of Linezolid (L466500).<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>Applications Amoxicillin is an antibiotic used in the treatment of various bacterial infections.<br></p>

<p>Applications Antibacterial. Orally absorbed cephalosporin; ester prodrug of the active free acid metabolite, cefcapene.<br>References Neu, H.C., et al.: Antimicrob.Agents Chemother., 36, 1336 (1992), Ishikura, K., et al.: J. Antibiot., 47, 466 (1994),<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 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>Applications Validamycin A (&gt;70%) Hydrochloride Salt is a metabolite of Validamycin A (&gt;70%) (V943430) which is an antibiotic fungicide that inhibits trehalase activity in plants, insects, and fungi.<br></p>

<p>Impurity Mupirocin EP Impurity E<br>Stability Hygroscopic<br>Applications Mupirocin (M794000) impurity. The rearrangement isomer of Mupirocin is prepared using an enzyme-catalyzed, selective deesterification.<br>References Sime, J.T., et al.: Tetrahedron Lett., 28, 5169 (1987),<br></p>

<p>Stability Very Hygroscopic<br>Applications Nebramine is a degradation product of 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>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 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>Stability Hygroscopic<br>Applications Descladinose 6-N-Desmethyl Azithromycin is a metabolite of Azithromycin (A927018), which is an azalide macrolide antibiotic.<br>References Hunter, R., et al.: J. Vet. Pharmacol. Ther., 26, 117 (2003);<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>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 Sisomicin is an Antibacterial. Gentamicin-like aminoglycoside antibiotic; has broad spectrum antibiotic activity.<br>References Weinstein, M.J., et al.: J. Antibiot., 23, 551 (1970), Sculier, J.P., et al.: J. Antimicrob. Chemother., 9, 63 (1982), Noone, P., et al.: Drugs, 27, 548 (1984),<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>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>Impurity Terbinafine BP Impurity A; Terbinafine USP Related Compound A<br>Applications N-Methyl-1-naphthalenemethanamine hydrochloride (Terbinafine BP Impurity A; Terbinafine USP Related Compound A) is an intermediate used in the synthesis of various pharmaceuticals such as Terbinafine hydrochloride (T107500) and Butenafine hydrochloride (B690195).<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); Kokjohn, K., et al.: Int. J. Dermatol., 42, 11 (2003); Sumikawa, M., et al.: J. Dermatol., 34, 456 (2007)<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>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 Tacrolimus Diene Impurity (USP)<br>Applications Δ23-FK 506 is an impurity of FK-506 (Tacrolimus) (F370000), an immunosuppressant macrolactam.<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 Namiki, Y., et al.: J. Antibiot 1993, 46, 1149,,Akashi, T; J Pharm Biomed Anal 1996, 14, 339,,,,Wiedeman, P; J Med Chem 1999, 42, 4456,,,<br></p>

<p>Applications Pipecolic acid is involved in synaptic transmission in the central nervous system. The l-form occurs in plants.<br>References Nomura Y., et al.: Neurochem. Res., 6, 391 (1981),<br></p>

<p>Stability Hygroscopic<br>Applications Avilamycin is an antimicrobial agent used against methicillin resistant Staphylococcus.<br>References Flora, D. et al.: J. Coastal Life Med., 3, 193 (2015);<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 (trans)-4-Propyl-1-methyl-L-proline (cas# 13380-36-4) is a compound useful in organic synthesis.<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>Applications Posaconazole intermediate. Antifungal agent.<br>References Ator, M., et al.: J. Med. Chem., 35, 100 (1992), Andriole, V., et al.: J. Antimicrob. Chemother., 44, 151 (1999), Beuchet, P., et al.: Bioorg. Med. Chem., 9, 1599 (1999),<br></p>

<p>Impurity Terbinafine EP Impurity C<br>Stability Hygroscopic<br>Applications N-[(2E)-6,6-Dimethyl-2-hepten-4-yn-1-yl]-N-methyl-2-naphthalenemethanamine Hydrochloride (Terbinafine EP Impurity C<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 Intermediate in the production of Lumefantrine.<br>References Washburn, L., et al.: J. Med. Chem., 17, 676 (1974), Nakamura, H., et al.: Environ. Sci. Technol., 41, 2190 (2007),<br></p>

<p>Applications Tilmicosin Phosphate Salt is the phosphate salt of the semi-synthetic antibiotic derivative. It can be used in biological study and pharmacological activity of bactericidal effects of various concentrations of enrofloxacin, florfenicol, tilmicosin phosphate, and tulathromycin on clinical isolates of Mannheimia haemolytica from cattle.<br>References Blondeau, J., et al.: Am J Vet Res, 76, 860 (2015)<br></p>

<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>Stability Light Sensitive<br>Applications An intermediate in the synthesis of Terbinafine (T107500).<br></p>

<p>Applications N-Desmethyl Doxycycline is a metabolite of Doxycycline (D561500); an antibacterial agent.<br>References Fabre, et al.: Chemotherapia, 11, 73 (1966); Goldenthal, et al.: Toxicol. Appl. Pharmacol., 18, 185 (1971); Polson, A.M., et al.: J. Periodontol., 68, 110 (1997); Boecker, R., et al.: Drug. Exp. Clin. Res., 9, 813 (1983)<br></p>

<p>Applications Novel intermediate of Azithromycin that acts as antibiotic.<br>References Krajacic, M.B., et al.: J. Antibiot., 58, 380 (2005),<br></p>