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-R-7416
Discontinued productRef: 4Z-R-077012
Discontinued productRef: 4Z-D-176032
Discontinued productRef: 4Z-C-126049
Discontinued productRef: 4Z-PC-155039
Discontinued productRef: 4Z-C-136008
Discontinued productRef: 4Z-S-080004
Discontinued productRef: 4Z-T-298014
Discontinued productRef: 4Z-C-9035
Discontinued productRef: 4Z-C-167006
Discontinued productRef: 4Z-S-088018
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Discontinued productRef: 4Z-A-192104
Discontinued productRef: 4Z-A-2323
Discontinued productRef: 4Z-C-10514
Discontinued productRef: 4Z-T-153005
Discontinued productRef: 4Z-D-394
Discontinued productRef: 4Z-M-669
Discontinued productRef: 4Z-T-3939
Discontinued productRef: 4Z-E-110032
Discontinued productRef: 4Z-G-154003
Discontinued productBenzylpenicillin Clemizol (Penicillin G Clemizol)
CAS:Formula:C16H18N2O4S·C19H20ClN3Color and Shape:Pale Yellow SolidMolecular weight:334.39 325.84Ref: 4Z-P-048
Discontinued productRef: 4Z-S-064004
Discontinued productRef: 4Z-PC-155003
Discontinued productRef: 4Z-E-110022
Discontinued productRef: 4Z-R-077007
Discontinued productRef: 4Z-C-50121
Discontinued productRef: 4Z-I-3619
Discontinued productRef: 4Z-A-2347
Discontinued productRef: 4Z-P-7454
Discontinued productRef: 4Z-R-337
Discontinued productRef: 4Z-A-192105
Discontinued productRef: 4Z-C-126047
Discontinued productRef: 4Z-R-1833
Discontinued productRef: 4Z-I-069007
Discontinued productRef: 4Z-D-176016
Discontinued productRef: 4Z-F-087035
Discontinued productRef: 4Z-C-104012
Discontinued productRef: 4Z-S-467
Discontinued productRef: 4Z-R-077010
Discontinued productRef: 4Z-T-3913
Discontinued productRef: 4Z-P-0462
Discontinued productRef: 4Z-A-4212
Discontinued productRef: 4Z-G-154005
Discontinued productRef: 4Z-F-076013
Discontinued productRef: 4Z-PM-127007
Discontinued productRef: 4Z-N-158005
Discontinued productRef: 4Z-M-2716
Discontinued productRef: 4Z-A-192103
Discontinued productRef: 4Z-E-110017
Discontinued productRef: 4Z-T-399001
Discontinued productRef: 4Z-C-156040
Discontinued productRef: 4Z-L-209005
Discontinued productRef: 4Z-E-2037
Discontinued productRef: 4Z-C-084
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-E-2039
Discontinued productRef: 4Z-F-087021
Discontinued productBenzylpenicillin Potassium EP Impurity D Disodium Salt (Benzylpenicillin (Benzathine) EP Impurity D, Benzylpenicillin (Procaine) EP Impurity D, Benzylpenicillin Sodium EP(CP) Impurity D Disodium Salt)
CAS:Formula:C16H16N2O4S·2NaColor and Shape:White To Off-White SolidMolecular weight:332.38 2*22.99Ref: 4Z-P-0416
Discontinued productRef: 4Z-A-268
Discontinued productRef: 4Z-C-162030
Discontinued productRef: 4Z-T-127014
Discontinued productRef: 4Z-P-206005
Discontinued productRef: 4Z-R-077009
Discontinued productRef: 4Z-B-081036
Discontinued productRef: 4Z-L-102077
Discontinued productRef: 4Z-C-104036
Discontinued productRef: 4Z-PC-155002
Discontinued productLincomycin 2,4-Phosphate (Clindamycin Phosphate EP Impurity G)
Formula:C18H33N2O8PSColor and Shape:White To Off-White SolidMolecular weight:468.51Ref: 4Z-L-093006
Discontinued productRef: 4Z-A-144021
Discontinued productCeftazidime Impurity 4 (6S,7R-isomer)
CAS:Formula:C22H22N6O7S2Color and Shape:Off-White SolidMolecular weight:546.57Ref: 4Z-C-10515
Discontinued productRef: 4Z-PM-127018
Discontinued productRef: 4Z-M-2726
Discontinued productRef: 4Z-V-032019
Discontinued productRef: 4Z-L-102059
Discontinued productRef: 4Z-R-7424
Discontinued productRef: 4Z-B-081034
Discontinued productRef: 4Z-P-7436
Discontinued productRef: 4Z-L-102069
Discontinued productRef: 4Z-PC-155006
Discontinued productRef: 4Z-T-109051
Discontinued productRef: 4Z-L-102047
Discontinued productRef: 4Z-E-2029
Discontinued productRef: 4Z-E-413
Discontinued productRef: 4Z-M-845
Discontinued productRef: 4Z-C-156008
Discontinued productRef: 4Z-C-7836
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-C-11130
Discontinued productRef: 4Z-M-214008
Discontinued productRef: 4Z-T-153015
Discontinued productRef: 4Z-C-108021
Discontinued productRef: 4Z-I-077011
Discontinued productRef: 4Z-S-080007
Discontinued productRef: 4Z-T-109046
Discontinued productRef: 4Z-R-2325
Discontinued productRef: 4Z-C-11116
Discontinued productRef: 4Z-C-3741
Discontinued productRef: 4Z-L-209008
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Discontinued productRef: 4Z-E-158009
Discontinued productRef: 4Z-M-6612
Discontinued productRef: 4Z-C-3718
Discontinued productRef: 4Z-E-110021
Discontinued productRef: 4Z-F-107024
Discontinued productRef: 4Z-T-109047
Discontinued productRef: 4Z-PC-155022
Discontinued productRef: 4Z-A-192075
Discontinued productRef: 4Z-R-113001
Discontinued productRef: 4Z-I-077017
Discontinued productRef: 4Z-C-229009
Discontinued productRef: 4Z-C-126007
Discontinued productRef: 4Z-D-176023
Discontinued productRef: 4Z-A-4216
Discontinued productRef: 4Z-B-081024
Discontinued productRef: 4Z-T-3919
Discontinued productRef: 4Z-T-3959
Discontinued productLinezolid N-Oxide
CAS:Controlled ProductFormula:C16H20FN3O5Color and Shape:NeatMolecular weight:353.35Ref: 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 productFumonisin 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:721.83Fumonisin 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:705.83Zearalenone 4-Sulfate Ammonium Salt
CAS:Controlled ProductFormula:C18H25NO8SColor and Shape:NeatMolecular weight:415.46α-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:324.4T-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:466.52HT-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:424.48rac 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:324.40β-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:324.4rac 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:318.36Deoxynivalenol
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:296.3215-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/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>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:338.353-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:338.35
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