Natural and semi-synthetic antibiotics
Natural and semisynthetic antibiotics are characterised by chemical structures with heterocyclic rings and active functional groups that inhibit the growth of microorganisms. Their structures allow them to interact with vital bacterial processes, making them useful treatments for bacterial infections. Semisynthetic antibiotics can be modified to enhance their spectrum of activity or resistance to degradation.
At CymitQuimica, we offer high-quality natural and semisynthetic antibiotics for research in microbiology and pharmaceutical development.
Found 6347 products of "Natural and semi-synthetic antibiotics"
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Ref: 4Z-A-192068
Discontinued productRef: 4Z-PC-321006
Discontinued productRef: 4Z-D-176003
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Discontinued productRef: 4Z-G-154002
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Discontinued productRef: 4Z-R-1822
Discontinued productRef: 4Z-B-081032
Discontinued productRef: 4Z-C-3727
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Discontinued productRef: 4Z-N-158010
Discontinued productRef: 4Z-C-156028
Discontinued productRef: 4Z-A-137006
Discontinued productRef: 4Z-C-3721
Discontinued productRef: 4Z-E-2010
Discontinued productRef: 4Z-S-064004
Discontinued productRef: 4Z-C-50121
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Discontinued productRef: 4Z-PM-127007
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Discontinued productRef: 4Z-A-192093
Discontinued productRef: 4Z-C-6635
Discontinued productRef: 4Z-A-192103
Discontinued productRef: 4Z-E-110017
Discontinued productRef: 4Z-T-399001
Discontinued productRef: 4Z-D-5724
Discontinued productRef: 4Z-C-156040
Discontinued productRef: 4Z-R-747
Discontinued productRef: 4Z-E-2037
Discontinued productBenzylpenicillin Potassium EP Impurity E (Benzylpenicillin (Benzathine) EP Impurity E, Benzylpenicillin (Procaine) EP Impurity B, Benzylpenicillin Sodium EP Impurity E) (S,R,R-Isomer) (5R,6R-Benzylpen
CAS:Formula:C16H20N2O5SColor and Shape:White To Off-White SolidMolecular weight:352.41Ref: 4Z-P-0438
Discontinued productRef: 4Z-R-1830
Discontinued productRef: 4Z-F-107007
Discontinued productRef: 4Z-A-268
Discontinued productRef: 4Z-C-162030
Discontinued productRef: 4Z-R-2327
Discontinued productRef: 4Z-R-077009
Discontinued productRef: 4Z-PC-155002
Discontinued productRef: 4Z-A-144021
Discontinued productRef: 4Z-E-110037
Discontinued productRef: 4Z-C-3745
Discontinued productCeftazidime Impurity 4 (6S,7R-isomer)
CAS:Formula:C22H22N6O7S2Color and Shape:Off-White SolidMolecular weight:546.57Ref: 4Z-C-10515
Discontinued productRef: 4Z-M-2726
Discontinued productRef: 4Z-C-9669
Discontinued productRef: 4Z-V-032019
Discontinued productRef: 4Z-M-844
Discontinued productRef: 4Z-C-7843
Discontinued productRef: 4Z-L-102059
Discontinued productRef: 4Z-P-7436
Discontinued productRef: 4Z-M-666
Discontinued productRef: 4Z-L-102069
Discontinued productRef: 4Z-PC-155006
Discontinued productRef: 4Z-E-2029
Discontinued productRef: 4Z-E-413
Discontinued productRef: 4Z-P-391001
Discontinued productRef: 4Z-C-9615
Discontinued productRef: 4Z-P-0459
Discontinued productVancomycin EP Impurity J HCl (26-epi-Vancomycin B HCl )
CAS:Formula:C66H75Cl2N9O24·HClMolecular weight:1449.29 36.46Ref: 4Z-V-032011
Discontinued productRef: 4Z-I-077011
Discontinued productRef: 4Z-S-080007
Discontinued productRef: 4Z-T-109046
Discontinued productRef: 4Z-A-2632
Discontinued productRef: 4Z-C-11116
Discontinued productRef: 4Z-R-7410
Discontinued productRef: 4Z-C-3741
Discontinued productRef: 4Z-T-199015
Discontinued productRef: 4Z-L-209008
Discontinued productRef: 4Z-T-3921
Discontinued productRef: 4Z-M-6612
Discontinued productRef: 4Z-C-3718
Discontinued productRef: 4Z-M-273
Discontinued productRef: 4Z-M-214007
Discontinued productRef: 4Z-R-101004
Discontinued productRef: 4Z-N-113003
Discontinued productRef: 4Z-L-1212
Discontinued productRef: 4Z-P-206008
Discontinued productRef: 4Z-P-206016
Discontinued productRef: 4Z-T-109031
Discontinued productRef: 4Z-R-077020
Discontinued productRef: 4Z-C-8523
Discontinued productRef: 4Z-N-158008
Discontinued productRef: 4Z-B-081023
Discontinued productRef: 4Z-I-3621
Discontinued productRef: 4Z-M-664
Discontinued productRef: 4Z-C-3723
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Discontinued productRef: 4Z-T-298012
Discontinued productRef: 4Z-C-9035
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Discontinued productRef: 4Z-PC-155022
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Discontinued productRef: 4Z-R-113001
Discontinued productRef: 4Z-L-209016
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Discontinued productRef: 4Z-M-665
Discontinued productRef: 4Z-D-176023
Discontinued productRef: 4Z-A-137017
Discontinued productRef: 4Z-A-4216
Discontinued productRef: 4Z-T-153020
Discontinued productRef: 4Z-C-158005
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Discontinued productRef: 4Z-I-069003
Discontinued productRef: 4Z-G-057007
Discontinued productRef: 4Z-P-0461
Discontinued productRef: 4Z-PA-200004
Discontinued productRef: 4Z-A-137010
Discontinued productRef: 4Z-C-106037
Discontinued productVancomycin EP Impurity F ([L-α-Gln3] Vancomycin B) HCl
Formula:C67H77Cl2N9O24·HClMolecular weight:1463.31 36.46Ref: 4Z-V-032007
Discontinued productRef: 4Z-L-102070
Discontinued productBenzylpenicillin Potassium EP Impurity E (Benzylpenicillin (Benzathine) EP Impurity E, Benzylpenicillin (Procaine) EP Impurity B, Benzylpenicillin Sodium EP Impurity E) (Mixture of Diastereomers)
CAS:Formula:C16H20N2O5SColor and Shape:White To Off-White SolidMolecular weight:352.41Ref: 4Z-P-0411
Discontinued productN-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)
Formula:C16H19N3O6SMolecular weight:381.40Ref: 4Z-P-0463
Discontinued productRef: 4Z-P-0454
Discontinued productRef: 4Z-P-0455
Discontinued productRef: 4Z-P-0453
Discontinued productSultamicillin EP Impurity C (Ampicillin, Piperacillin EP Impurity A)
CAS:Formula:C16H19N3O4SMolecular weight:349.41Ref: 4Z-S-081002
Discontinued productDeoxynivalenol
CAS:Controlled Product<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>Formula:C15H20O6Color and Shape:NeatMolecular weight:296.32HT-2 Toxin (>85%)
CAS:Controlled Product<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>Formula:C22H32O8Purity:>85%Color and Shape:Off-WhiteMolecular weight:424.48Fumonisin B2
CAS:Controlled Product<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>Formula:C34H59NO14Color and Shape:Off-WhiteMolecular weight:705.83α-Zearalenol-d4 (Major)
CAS:Controlled Product<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>Formula:C18H20D4O5Color and Shape:NeatMolecular weight:324.4rac Zearalenone-d6
CAS:Controlled Product<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>Formula:C18H16D6O5Color and Shape:BeigeMolecular weight:324.40Fumonisin B3
CAS:Controlled Product<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>Formula:C34H59NO14Color and Shape:BeigeMolecular weight:705.83Zearalenone
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>Formula:C18H22O5Color and Shape:White To Light BrownMolecular weight:318.36rac Zearalenone-d6 (major)
CAS:Controlled ProductFormula:C18H16D6O5Color and Shape:NeatMolecular weight:324.40Fumonisin 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>Formula:C34H59NO15Color and Shape:NeatMolecular weight:721.83Zearalenone 4-Sulfate Ammonium Salt
CAS:Controlled ProductFormula:C18H25NO8SColor and Shape:NeatMolecular weight:415.46T-2 Toxin
CAS:Controlled Product<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>Formula:C24H34O9Color and Shape:White SolidMolecular weight:466.52β-Zearalenol-d4 (Major)
CAS:Controlled Product<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>Formula:C18H20D4O5Color and Shape:NeatMolecular weight: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>Formula:C43H67NO12Purity:Min. 95%Molecular weight:789.99 g/mol3-Acetyldeoxynivalenol
CAS:Controlled Product<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>Formula:C17H22O7Color and Shape:WhiteMolecular weight:338.354H-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>Formula:C26H43O9·NaColor and Shape:NeatMolecular weight:522.6015-Acetyl Deoxynivalenol (~90%)
CAS:Controlled Product<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>Formula:C17H22O7Purity:~90%Color and Shape:WhiteMolecular weight:338.35
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