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-M-214008
Discontinued productRef: 4Z-T-199010
Discontinued productRef: 4Z-N-158010
Discontinued productRef: 4Z-B-081034
Discontinued productRef: 4Z-V-032043
Discontinued productDirithromycin EP Impurity A (Erythromycylamine)
CAS:Formula:C37H70N2O12Color and Shape:White To Off-White SolidMolecular weight:734.98Ref: 4Z-D-106005
Discontinued productRef: 4Z-E-2047
Discontinued productRef: 4Z-F-076019
Discontinued productRef: 4Z-PM-127018
Discontinued productRef: 4Z-E-110038
Discontinued productRef: 4Z-T-153004
Discontinued productRef: 4Z-C-104036
Discontinued productRef: 4Z-M-669
Discontinued productRef: 4Z-J-008011
Discontinued productRef: 4Z-L-102077
Discontinued productRef: 4Z-P-206005
Discontinued productRef: 4Z-C-296005
Discontinued productRef: 4Z-C-10514
Discontinued productRef: 4Z-A-4217
Discontinued productRef: 4Z-R-1819
Discontinued productRef: 4Z-A-137013
Discontinued productRef: 4Z-R-337
Discontinued productRef: 4Z-S-081007
Discontinued productRef: 4Z-A-2347
Discontinued productRef: 4Z-E-110022
Discontinued productBenzathine Diacetate
CAS:Formula:C16H20N2·2C2H4O2Color and Shape:White To Off-White SolidMolecular weight:240.35 2 60.05Ref: 4Z-P-044
Discontinued productRef: 4Z-E-071027
Discontinued productRef: 4Z-S-080004
Discontinued productRef: 4Z-T-127021
Discontinued productRef: 4Z-PM-127027
Discontinued productRef: 4Z-I-3610
Discontinued productRef: 4Z-F-515
Discontinued productRef: 4Z-N-080017
Discontinued productRef: 4Z-L-209014
Discontinued productRef: 4Z-M-183
Discontinued productRef: 4Z-C-156027
Discontinued productRef: 4Z-V-032015
Discontinued productRef: 4Z-PC-155037
Discontinued productRef: 4Z-G-044012
Discontinued productRef: 4Z-C-5094
Discontinued productRef: 4Z-I-365
Discontinued productRef: 4Z-A-4220
Discontinued productRef: 4Z-C-135019
Discontinued productRef: 4Z-D-176032
Discontinued productRef: 4Z-C-4725
Discontinued productRef: 4Z-F-076008
Discontinued productRef: 4Z-A-2323
Discontinued productRef: 4Z-L-209010
Discontinued productRef: 4Z-L-102067
Discontinued productRef: 4Z-T-163087
Discontinued productRef: 4Z-A-6640
Discontinued productRef: 4Z-P-206012
Discontinued productRef: 4Z-R-077020
Discontinued productRef: 4Z-C-8523
Discontinued productRef: 4Z-I-077020
Discontinued productRef: 4Z-M-664
Discontinued productRef: 4Z-C-126025
Discontinued productRef: 4Z-C-104033
Discontinued productRef: 4Z-M-2770
Discontinued productRef: 4Z-M-125011
Discontinued productRef: 4Z-P-0458
Discontinued productRef: 4Z-R-7416
Discontinued productRef: 4Z-M-125021
Discontinued productRef: 4Z-E-110039
Discontinued productRef: 4Z-D-394
Discontinued productBenzylpenicillin Clemizol (Penicillin G Clemizol)
CAS:Formula:C16H18N2O4S·C19H20ClN3Color and Shape:Pale Yellow SolidMolecular weight:334.39 325.84Ref: 4Z-P-048
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 productRef: 4Z-A-2333
Discontinued productRef: 4Z-R-3310
Discontinued productRef: 4Z-L-209009
Discontinued productRef: 4Z-D-176006
Discontinued productRef: 4Z-T-127003
Discontinued productRef: 4Z-B-081031
Discontinued productRef: 4Z-G-044018
Discontinued productRef: 4Z-A-192102
Discontinued productRef: 4Z-R-1834
Discontinued productBenzylpenicillin Potassium EP Impurity F (Benzylpenicillin (Benzathine) EP Impurity F, Benzylpenicillin (Procaine) EP Impurity C, Benzylpenicillin Sodium EP Impurity F) (Mixture of Diastereomers)
CAS:Formula:C15H20N2O3SColor and Shape:White To Off-White SolidMolecular weight:308.40Ref: 4Z-P-0415
Discontinued productRef: 4Z-A-137012
Discontinued productRef: 4Z-A-192039
Discontinued productRef: 4Z-PM-127003
Discontinued productRef: 4Z-E-2067
Discontinued productRef: 4Z-C-0822
Discontinued productRef: 4Z-M-346
Discontinued productRef: 4Z-A-4212
Discontinued productRef: 4Z-C-5083
Discontinued productRef: 4Z-R-1817
Discontinued productRef: 4Z-P-250001
Discontinued productRef: 4Z-F-076013
Discontinued productRef: 4Z-A-144007
Discontinued productRef: 4Z-C-0820
Discontinued productRef: 4Z-L-209005
Discontinued productRef: 4Z-B-081009
Discontinued productRef: 4Z-C-229009
Discontinued productRef: 4Z-M-182
Discontinued productRef: 4Z-E-158011
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-C-136028
Discontinued productRef: 4Z-T-3959
Discontinued productRef: 4Z-C-162030
Discontinued productRef: 4Z-V-032014
Discontinued productRef: 4Z-R-077009
Discontinued productRef: 4Z-A-137017
Discontinued productRef: 4Z-C-9314
Discontinued productRef: 4Z-L-102065
Discontinued productRef: 4Z-A-144021
Discontinued productN-Nitroso Vancomycin EP Impurity G Trifluoroacetate
Formula:C66H71Cl2N9O25·C2HF3O2Molecular weight:1461.23 1140.2Ref: 4Z-V-032040
Discontinued productRef: 4Z-C-11304
Discontinued productCeftazidime Impurity 4 (6S,7R-isomer)
CAS:Formula:C22H22N6O7S2Color and Shape:Off-White SolidMolecular weight:546.57Ref: 4Z-C-10515
Discontinued productN-Nitroso Vancomycin EP Impurity J Trifluoroacetate
Formula:C66H74Cl2N10O25·C2HF3O2Molecular weight:1478.26 114.02Ref: 4Z-V-032042
Discontinued productRef: 4Z-A-6636
Discontinued productRef: 4Z-M-2726
Discontinued productRef: 4Z-E-2029
Discontinued productRef: 4Z-C-156008
Discontinued productRef: 4Z-E-071059
Discontinued productRef: 4Z-C-7836
Discontinued productRef: 4Z-C-6634
Discontinued productRef: 4Z-T-298012
Discontinued productRef: 4Z-D-106004
Discontinued productRef: 4Z-M-214007
Discontinued productRef: 4Z-N-113003
Discontinued productRef: 4Z-T-109031
Discontinued productRef: 4Z-P-0455
Discontinued productSultamicillin EP Impurity C (Ampicillin, Piperacillin EP Impurity A)
CAS:Formula:C16H19N3O4SMolecular weight:349.41Ref: 4Z-S-081002
Discontinued productRef: 4Z-P-0454
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-0453
Discontinued productrac 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:324.40α-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:324.4HT-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:424.48Deoxynivalenol
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:296.32Fumonisin 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:705.83β-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:324.4Zearalenone 4-Sulfate Ammonium Salt
CAS:Controlled ProductFormula:C18H25NO8SColor and Shape:NeatMolecular weight:415.46rac Zearalenone-d6 (major)
CAS:Controlled ProductFormula:C18H16D6O5Color and Shape:NeatMolecular 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:318.36T-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:466.52Fumonisin 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:721.8315-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/mol15-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:338.353-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:522.60
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