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 6335 products of "Natural and semi-synthetic antibiotics"
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Ref: 4Z-C-4727
Discontinued productTulathromycin A Impurity 5
CAS:Formula:C40H75N3O13Color and Shape:Yellow SolidMolecular weight:806.05Ref: 4Z-T-153007
Discontinued productRef: 4Z-C-167006
Discontinued productRef: 4Z-S-088018
Discontinued productRef: 4Z-T-3937
Discontinued productRef: 4Z-I-077017
Discontinued productRef: 4Z-P-0421
Discontinued productRef: 4Z-M-8427
Discontinued productRef: 4Z-B-081024
Discontinued productRef: 4Z-T-3919
Discontinued productRef: 4Z-T-3953
Discontinued productRef: 4Z-T-153020
Discontinued productRef: 4Z-J-008013
Discontinued productRef: 4Z-M-665
Discontinued productRef: 4Z-B-190005
Discontinued productRef: 4Z-N-158003
Discontinued productRef: 4Z-C-156027
Discontinued productRef: 4Z-T-3939
Discontinued productRef: 4Z-P-7454
Discontinued productRef: 4Z-S-467
Discontinued productRef: 4Z-C-126047
Discontinued productRef: 4Z-R-077010
Discontinued productRef: 4Z-D-176032
Discontinued productRef: 4Z-F-087010
Discontinued productRef: 4Z-R-2319
Discontinued productRef: 4Z-L-209005
Discontinued productRef: 4Z-N-080017
Discontinued productRef: 4Z-B-081009
Discontinued productRef: 4Z-C-9031
Discontinued productRef: 4Z-R-077009
Discontinued productRef: 4Z-R-3310
Discontinued productRef: 4Z-G-068002
Discontinued productRef: 4Z-C-3745
Discontinued productRef: 4Z-R-7421
Discontinued productRef: 4Z-C-126050
Discontinued productRef: 4Z-M-5912
Discontinued productRef: 4Z-C-126043
Discontinued productRef: 4Z-R-1834
Discontinued productRef: 4Z-C-156003
Discontinued productRef: 4Z-R-357
Discontinued productRef: 4Z-P-0457
Discontinued productRef: 4Z-A-2651
Discontinued productRef: 4Z-C-156035
Discontinued productRef: 4Z-P-206014
Discontinued productRef: 4Z-C-964
Discontinued productRef: 4Z-L-102069
Discontinued productRef: 4Z-M-182
Discontinued productRef: 4Z-P-3896
Discontinued productRef: 4Z-M-125008
Discontinued productRef: 4Z-L-209015
Discontinued productRef: 4Z-T-153022
Discontinued productRef: 4Z-L-209011
Discontinued productRef: 4Z-PC-155006
Discontinued productRef: 4Z-A-6629
Discontinued productRef: 4Z-R-2320
Discontinued productRef: 4Z-L-209013
Discontinued productRef: 4Z-C-3210
Discontinued productRef: 4Z-I-069005
Discontinued productRef: 4Z-E-158009
Discontinued productRef: 4Z-A-192074
Discontinued productRef: 4Z-T-422001
Discontinued productRef: 4Z-A-4211
Discontinued productRef: 4Z-A-264
Discontinued productRef: 4Z-A-2654
Discontinued productRef: 4Z-A-137014
Discontinued productRef: 4Z-L-2922
Discontinued productRef: 4Z-E-110025
Discontinued productRef: 4Z-R-2317
Discontinued productRef: 4Z-V-032028
Discontinued productRef: 4Z-I-069008
Discontinued productRef: 4Z-T-127009
Discontinued productRef: 4Z-R-077018
Discontinued productRef: 4Z-E-110013
Discontinued productRef: 4Z-C-8523
Discontinued productRef: 4Z-C-3740
Discontinued productRef: 4Z-M-125015
Discontinued productRef: 4Z-B-081023
Discontinued productRef: 4Z-C-127001
Discontinued productRef: 4Z-F-107027
Discontinued productRef: 4Z-N-158007
Discontinued productRef: 4Z-A-192104
Discontinued productRef: 4Z-S-080004
Discontinued productRef: 4Z-M-842
Discontinued productRef: 4Z-C-135020
Discontinued productRef: 4Z-P-206015
Discontinued productRef: 4Z-F-515
Discontinued productRef: 4Z-P-206008
Discontinued productRef: 4Z-F-087018
Discontinued productRef: 4Z-F-107037
Discontinued productRef: 4Z-T-199009
Discontinued productRef: 4Z-T-127004
Discontinued productRef: 4Z-E-071046
Discontinued productRef: 4Z-C-0847
Discontinued productRef: 4Z-N-080007
Discontinued productRef: 4Z-A-455
Discontinued productRef: 4Z-PC-155015
Discontinued productRef: 4Z-B-081036
Discontinued productRef: 4Z-P-206009
Discontinued productRef: 4Z-B-081034
Discontinued productRef: 4Z-C-156019
Discontinued productRef: 4Z-C-126045
Discontinued productRef: 4Z-P-0436
Discontinued productRef: 4Z-N-158010
Discontinued productRef: 4Z-P-206016
Discontinued productRef: 4Z-L-1212
Discontinued productRef: 4Z-A-2611
Discontinued productRef: 4Z-C-9027
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 productFumonisin 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
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:296.32α-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:424.48Zearalenone 4-Sulfate Ammonium Salt
CAS:Controlled ProductFormula:C18H25NO8SColor and Shape:NeatMolecular weight:415.46rac 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:705.83rac Zearalenone-d6 (major)
CAS:Controlled ProductFormula:C18H16D6O5Color and Shape:NeatMolecular weight:324.40T-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:721.83β-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:324.415-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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