Antibióticos naturales y semisintéticos
Los antibióticos naturales y semisintéticos se caracterizan por estructuras químicas con anillos heterocíclicos y grupos funcionales activos que inhiben el crecimiento de microorganismos. Sus estructuras les permiten interactuar con los procesos vitales de las bacterias, lo que los hace útiles como tratamientos para infecciones bacterianas. Los antibióticos semisintéticos pueden ser modificados para mejorar el espectro de actividad o la resistencia a la degradación.
En CymitQuimica ofrecemos antibióticos naturales y semisintéticos de alta calidad para investigación en microbiología y desarrollo farmacéutico.
Se han encontrado 6347 productos de "Antibióticos naturales y semisintéticos"
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Ref: 4Z-T-109033
Producto descatalogadoRef: 4Z-E-071059
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Producto descatalogadoRef: 4Z-E-2055
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Producto descatalogadoRef: 4Z-B-081022
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Producto descatalogadoRef: 4Z-I-3619
Producto descatalogadoRef: 4Z-T-3911
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Producto descatalogadoRef: 4Z-D-176004
Producto descatalogadoRef: 4Z-C-264009
Producto descatalogadoRef: 4Z-F-107037
Producto descatalogadoRef: 4Z-S-081007
Producto descatalogadoRef: 4Z-C-372
Producto descatalogadoRef: 4Z-T-3950
Producto descatalogadoRef: 4Z-P-206007
Producto descatalogadoRef: 4Z-A-6636
Producto descatalogadoRef: 4Z-T-3959
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Producto descatalogadoRef: 4Z-T-3916
Producto descatalogadoRef: 4Z-P-206006
Producto descatalogadoRef: 4Z-C-126007
Producto descatalogadoRef: 4Z-C-106035
Producto descatalogadoRef: 4Z-PC-155019
Producto descatalogadoRef: 4Z-A-4217
Producto descatalogadoRef: 4Z-B-081025
Producto descatalogadoRef: 4Z-A-144007
Producto descatalogadoRef: 4Z-PM-127003
Producto descatalogadoRef: 4Z-C-296005
Producto descatalogadoRef: 4Z-P-206018
Producto descatalogadoRef: 4Z-C-106036
Producto descatalogadoRef: 4Z-I-3626
Producto descatalogadoRef: 4Z-A-192039
Producto descatalogadoRef: 4Z-C-8513
Producto descatalogadoRef: 4Z-N-158009
Producto descatalogadoRef: 4Z-A-4221
Producto descatalogadoRef: 4Z-E-2049
Producto descatalogadoRef: 4Z-R-2322
Producto descatalogadoRef: 4Z-L-102066
Producto descatalogadoRef: 4Z-C-7811
Producto descatalogadoRef: 4Z-T-199007
Producto descatalogadoRef: 4Z-R-7421
Producto descatalogadoRef: 4Z-B-081031
Producto descatalogadoRef: 4Z-D-176008
Producto descatalogadoColistin Impurity 3 Pentatrifluoroacetic Acid
Fórmula:C56H96N16O12·5CF3CO2HPeso molecular:1185.48 5*114.02Ref: 4Z-PC-321009
Producto descatalogadoRef: 4Z-R-1826
Producto descatalogadoRef: 4Z-T-127003
Producto descatalogadoRef: 4Z-D-392
Producto descatalogadoRef: 4Z-P-206014
Producto descatalogadoRef: 4Z-F-107040
Producto descatalogadoRef: 4Z-L-209009
Producto descatalogadoBenzylpenicillin Sodium Salt (Penicillin G Sodium Salt)
CAS:Fórmula:C16H17N2O4S·NaPeso molecular:333.38 22.99Ref: 4Z-P-0439
Producto descatalogadoRef: 4Z-PM-127027
Producto descatalogadoRef: 4Z-S-064002
Producto descatalogadoRef: 4Z-G-044012
Producto descatalogadoRef: 4Z-A-270002
Producto descatalogadoFaropenem Impurity 12
CAS:Fórmula:C12H15NO5SForma y color:White To Off-White SolidPeso molecular:285.32Ref: 4Z-F-087020
Producto descatalogadoRef: 4Z-T-411001
Producto descatalogadoRef: 4Z-F-076014
Producto descatalogadoRef: 4Z-PC-155037
Producto descatalogadoRef: 4Z-M-125011
Producto descatalogadoDirithromycin EP Impurity A (Erythromycylamine)
CAS:Fórmula:C37H70N2O12Forma y color:White To Off-White SolidPeso molecular:734.98Ref: 4Z-D-106005
Producto descatalogadoRef: 4Z-E-071010
Producto descatalogadoRef: 4Z-M-665
Producto descatalogadoRef: 4Z-T-3953
Producto descatalogadoRef: 4Z-F-107026
Producto descatalogadoRef: 4Z-PA-200005
Producto descatalogadoRef: 4Z-P-0421
Producto descatalogadoRef: 4Z-PC-155007
Producto descatalogadoRef: 4Z-T-109022
Producto descatalogadoRef: 4Z-F-110002
Producto descatalogadoRef: 4Z-M-346
Producto descatalogadoRef: 4Z-C-3730
Producto descatalogadoRef: 4Z-T-3918
Producto descatalogadoRef: 4Z-C-135011
Producto descatalogadoRef: 4Z-M-666
Producto descatalogadoRef: 4Z-T-3952
Producto descatalogadoRef: 4Z-C-11107
Producto descatalogadoRef: 4Z-T-153007
Producto descatalogadoRef: 4Z-R-077018
Producto descatalogadoRef: 4Z-T-127005
Producto descatalogadoRef: 4Z-A-4219
Producto descatalogadoBenzylpenicillin Potassium EP Impurity E (Benzylpenicillin (Benzathine) EP Impurity E, Benzylpenicillin (Procaine) EP Impurity B, Benzylpenicillin Sodium EP Impurity E) (Mixture of Diastereomers)
CAS:Fórmula:C16H20N2O5SForma y color:White To Off-White SolidPeso molecular:352.41Ref: 4Z-A-137010
Producto descatalogadoRef: 4Z-A-4218
Producto descatalogadoRef: 4Z-L-209011
Producto descatalogadoRef: 4Z-G-154004
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Producto descatalogadoRef: 4Z-I-077014
Producto descatalogadoRef: 4Z-I-365
Producto descatalogadoRef: 4Z-A-4220
Producto descatalogadoRef: 4Z-E-2059
Producto descatalogadoRef: 4Z-C-1112
Producto descatalogadoRef: 4Z-PC-155022
Producto descatalogadoRef: 4Z-N-080017
Producto descatalogadoRef: 4Z-R-2324
Producto descatalogadoRef: 4Z-G-044018
Producto descatalogadoRef: 4Z-L-102064
Producto descatalogadoRef: 4Z-A-6629
Producto descatalogadoRef: 4Z-I-077017
Producto descatalogadoRef: 4Z-C-663
Producto descatalogadoRef: 4Z-T-153021
Producto descatalogadoRef: 4Z-S-064005
Producto descatalogadoRef: 4Z-E-2043
Producto descatalogadoRef: 4Z-PC-155015
Producto descatalogadoRef: 4Z-B-081024
Producto descatalogadoRef: 4Z-T-3919
Producto descatalogadoRef: 4Z-R-2318
Producto descatalogadoRef: 4Z-T-127010
Producto descatalogadoRef: 4Z-T-153020
Producto descatalogadoRef: 4Z-P-0455
Producto descatalogadoSultamicillin EP Impurity C (Ampicillin, Piperacillin EP Impurity A)
CAS:Fórmula:C16H19N3O4SPeso molecular:349.41Ref: 4Z-S-081002
Producto descatalogadoN-Nitroso Benzylpenicillin Potassium EP Impurity E (N-Nitroso Benzylpenicillin (Benzathine), Benzylpenicillin Sodium EP Impurity E, N-Nitroso Benzylpenicillin (Procaine) EP Impurity B) (Mixture of Diastereomers)
Fórmula:C16H19N3O6SPeso molecular:381.40Ref: 4Z-P-0463
Producto descatalogadoRef: 4Z-P-0453
Producto descatalogadoRef: 4Z-P-0454
Producto descatalogadoβ-Zearalenol-d4 (Major)
CAS:Producto controlado<p>Stability Light Sensitive<br>Applications Isotope labelled β-Zearalenol is an more active metabolite of Zearalenone (Z270500), a estrogenic mycotoxin produced by Fusarium fungi commonly found in grains.<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 Olsen, M., et al.: Acta Pharmacol. Toxicol., 48, 15 (1981), Chang, W., et al.: Food Chem. Toxicol., 22, 887 (1984), El Golli, E., et al.: Toxicol Lett., 166, 122 (2006), Hassen, W., et al.: Toxicology, 232, 294 (2007), Benzoni, E., et al.: Reprod. Toxicol., 25, 461 (2008),<br></p>Fórmula:C18H20D4O5Forma y color:NeatPeso molecular:324.4Fumonisin B2
CAS:Producto controlado<p>Stability Hygroscopic, Toxic<br>Applications A mycotoxin produced by mold associated with corn. Inhibitor of sphingosine N-acyltransferase. Blocks the formation of ceramide from sphingosine.<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 Monbaliu, S., et al.: J. Agric. Food Chem., 58, 10475 (2010), Klosowski, G., et al.: Biores. Technol., 101, 9723 (2010), Soerensen, L., et al.: Anal. Bioanal. Chem., 398, 1535 (2010),<br></p>Fórmula:C34H59NO14Forma y color:Off-WhitePeso molecular:705.83Ref: TR-F862755
Producto descatalogadoFumonisin B3
CAS:Producto controlado<p>Stability Hygroscopic<br>Applications Fumonisin B3 is a mycotoxin present in corn. Fungal metabolite believed to cause leukoencephalomalacia in horses.<br>References Azcona-Olivera, J. et al.: J. Agric. Food Chem., 40, 531 (1992); Hopmans, E. et al.: J. Agric. Food Chem., 41, 1655 (1993); Monbaliu, S., et al.: J. Agric. Food Chem., 58, 10475 (2010), Klosowski, G., et al.: Biores. Technol., 101, 9723 (2010), Soerensen, L., et al.: Anal. Bioanal. Chem., 398, 1535 (2010),<br></p>Fórmula:C34H59NO14Forma y color:BeigePeso molecular:705.83Deoxynivalenol
CAS:Producto controlado<p>Applications Deoxynivalenol is a tricothecene mycotoxin and potent protein synthesis inhibitor. Deoxynivalenol exhibits cytotoxic activity in vivo via the ribotoxic stress response. Deoxynivalenol induces p38-mediated gene expression and apoptosis in leukocytes; activity results in systemic expression of interleukin-6 (IL-6) and other proinflammatory cytokines. Also induces migration of NF-κB into the nucleus.Environmental contaminants; Food contaminants<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 Bae, et al.: Toxicol. Sci., 105, 59 (2008), Shi, et al.: Toxicol. Sci., 109, 247 (2009), Krishnaswamy, et al.: Free Radic. Biol. Med., 49 50 (2010),<br></p>Fórmula:C15H20O6Forma y color:NeatPeso molecular:296.32Zearalenone
CAS:<p>Applications Estrogenic mycotoxin produced by Fusarium fungi commonly found in grains. One of a group of compounds known as resorcylic acid lactones.Environmental contaminants; Food contaminants<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 Tanaka, T., et al.: J. Agric. Food Chem., 36, 979 (1988), Hamilton, S., et al.: Anticancer Res., 16, 3597 (1996), Hecht, S., et al.: Cancer Lett., 150, 49 (2000), Hussein, H., et al.: Toxicology, 167, 101 (2001), Lim, H., et al.: J. Immunol., 175, 4180 (2005),<br></p>Fórmula:C18H22O5Forma y color:White To Light BrownPeso molecular:318.36Fumonisin B1
CAS:<p>Stability Hygroscopic<br>Applications A mycotoxin produced by mold associated with corn. Fungal metabolite believed to cause leukoencephalomalacia in horses.Environmental contaminants; Food contaminants<br>References Monbaliu, S., et al.: J. Agric. Food Chem., 58, 10475 (2010), Klosowski, G., et al.: Biores. Technol., 101, 9723 (2010), Soerensen, L., et al.: Anal. Bioanal. Chem., 398, 1535 (2010),<br></p>Fórmula:C34H59NO15Forma y color:NeatPeso molecular:721.83T-2 Toxin
CAS:Producto controlado<p>Applications T-2 Toxin is a tricothecene mycotoxin produced by fungi of the genus Fusarium. T-2 Toxin induces DNA damage and cell death on prolonged administration.Environmental contaminants; Food contaminants<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 Kim, C., et al.: Cancer Res., 57, 3115 (1997), Bottrel, R., et al.: Antimicrob. Agents Chemother., 1999, 43, 856 (1999), Murray, P., et al.: J. Immunol., 178, 2623 (2007), Choi, H., et al.: Toxicol. Appl. Pharmacol., 240, 46 (2009), Amuzie, C., et al.: Toxicol. Sci., 113, 412 (2010),<br></p>Fórmula:C24H34O9Forma y color:White SolidPeso molecular:466.52Zearalenone 4-Sulfate Ammonium Salt
CAS:Producto controladoFórmula:C18H25NO8SForma y color:NeatPeso molecular:415.46HT-2 Toxin (>85%)
CAS:Producto controlado<p>Stability Hygroscopic<br>Applications HT-2 Toxin is a trichothecene group mycotoxin. HT-2 Toxin is the 4-hydroxy analogue of T-2 Toxin (T002980) which has been shown to induce DNA damage and cell death on prolonged administration.Environmental contaminants; Food contaminants<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 Weidner, M. et al.: J. Agric. Food Chem., 60, 5676 (2012); Choi, H. et al.: Toxicol. Appl. Pharmacol., 240, 46 (2009); Amuzie, C. et al.: Toxicol. Sci., 113, 412 (2010);<br></p>Fórmula:C22H32O8Pureza:>85%Forma y color:Off-WhitePeso molecular:424.48rac Zearalenone-d6
CAS:Producto controlado<p>Applications Estrogenic mycotoxin produced by Fusarium fungi commonly found in grains. One of a group of compounds known as resorcylic acid lactones.Environmental contaminants; Food contaminants<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 Tanaka, T., et al.: J. Agric. Food Chem., 36, 979 (1988), Hamilton, S., et al.: Anticancer Res., 16, 3597 (1996), Hecht, S., et al.: Cancer Lett., 150, 49 (2000), Hussein, H., et al.: Toxicology, 167, 101 (2001), Lim, H., et al.: J. Immunol., 175, 4180 (2005),<br></p>Fórmula:C18H16D6O5Forma y color:BeigePeso molecular:324.40rac Zearalenone-d6 (major)
CAS:Producto controladoFórmula:C18H16D6O5Forma y color:NeatPeso molecular:324.40α-Zearalenol-d4 (Major)
CAS:Producto controlado<p>Applications α-Zearalenol-d4 is the isotope labelled metabolite of Zearalenone (Z270500), an estrogenic mycotoxin produced by Fusarium fungi commonly found in grains.<br>References Olsen, M., et al.: Acta Pharmacol. Toxicol., 48, 15 (1981), Chang, W., et al.: Food Chem. Toxicol., 22, 887 (1984), El Golli, E., et al.: Toxicol Lett., 166, 122 (2006), Hassen, W., et al.: Toxicology, 232, 294 (2007), Benzoni, E., et al.: Reprod. Toxicol., 25, 461 (2008),<br></p>Fórmula:C18H20D4O5Forma y color:NeatPeso molecular:324.415-O-Demethyl Tacrolimus
CAS:<p>Tacrolimus is a macrolide that is used as an immunosuppressive drug. It has been shown to bind to the FK-binding protein, which in turn inhibits calcineurin. This prevents the release of IL-2, TNF-α and other cytokines. The immunosuppressive effects of tacrolimus have been evaluated using analytical methods such as coefficients, affinity, and monitoring techniques such as immunoassays and agglutination. These techniques are used to evaluate the plasma concentration of tacrolimus. Tacrolimus also binds to proteins in the blood samples and can be detected by turbidimetric or electrochemiluminescence immunoassay reagents.</p>Fórmula:C43H67NO12Pureza:Min. 95%Peso molecular:789.99 g/mol4H-Furo[2,3-c]pyranyl Mupirocin Sodium Impurity
CAS:<p>Impurity Mupirocin EP Impurity D<br>Stability Hygroscopic<br>Applications Mupirocin (M794000) impurity. (Mupirocin EP Impurity D) 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>Fórmula:C26H43O9·NaForma y color:NeatPeso molecular:522.603-Acetyldeoxynivalenol
CAS:Producto controlado<p>Stability Appears to decompose in DMSO<br>Applications 3-Acetyldeoxynivalenol is a trichothecene mycotoxin that is produced in a plant-pathogenic fungus, Fusarium graminearum Schwabe.Environmental contaminants; Food contaminants<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 Beyer, M., et al.: Int. J. Food. Microbiol., 119, 153 (2007); Schiefer, H.B., et al.: Can. J. Comp. Med., 49, 315 (1985); Mirocha, C.J., et al.: App. Enviro.Microbiol., 55, 1315 (1989);<br></p>Fórmula:C17H22O7Forma y color:WhitePeso molecular:338.3515-Acetyl Deoxynivalenol (~90%)
CAS:Producto controlado<p>Applications A mycotoxin produced by the fungi Fusarium culmorum and Fusarium graminearum, inhibits protein synthesis.Environmental contaminants; Food contaminants<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 Ashraf, A.; et al.: Int. J. Biol. Biotechnol., 4, 391 (2007), Burlakoti, R., et al.: App. Environ. Microbiol., 74, 6513 (2008), Steinmetz, W., et al.: Eur. J. Med. Chem., 44, 4485 (2009), Zhang, Y., et al.: Phytopathol., 99, 95 (2009),<br></p>Fórmula:C17H22O7Pureza:~90%Forma y color:WhitePeso molecular:338.35
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