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-3727
Discontinued productRef: 4Z-B-081032
Discontinued productRef: 4Z-E-071014
Discontinued productRef: 4Z-T-199010
Discontinued productRef: 4Z-T-3935
Discontinued productRef: 4Z-M-342
Discontinued productRef: 4Z-B-081031
Discontinued productRifamycin Impurity 10 (25-O-deacetyl-23-O-acetyl Rifamycin S)
Formula:C37H45NO12Molecular weight:695.76Ref: 4Z-R-077016
Discontinued productBenzylpenicillin CP Impurity H
CAS:Formula:C10H11NO3Color and Shape:Off-White SolidMolecular weight:193.20Ref: 4Z-P-0419
Discontinued productRef: 4Z-T-3924
Discontinued productRef: 4Z-M-8425
Discontinued productRef: 4Z-T-163086
Discontinued productRef: 4Z-C-106040
Discontinued productRef: 4Z-G-154002
Discontinued productRef: 4Z-C-158027
Discontinued productRef: 4Z-P-0422
Discontinued productRef: 4Z-PC-155023
Discontinued productRef: 4Z-F-107028
Discontinued productRef: 4Z-C-0819
Discontinued productRef: 4Z-V-032014
Discontinued productRef: 4Z-D-176003
Discontinued productRef: 4Z-F-076011
Discontinued productOleandomycin
CAS:<p>Oleandomycin, a macrolide antibiotic structurally similar to Erythromycin, exhibits antimicrobial activity.</p>Formula:C35H61NO12Purity:98%Color and Shape:White Amorphous Powder SolidMolecular weight:687.86Ref: 4Z-M-6610
Discontinued productRef: 4Z-C-136025
Discontinued productRef: 4Z-F-515
Discontinued productRef: 4Z-V-102001
Discontinued productRef: 4Z-A-192068
Discontinued productRef: 4Z-T-3911
Discontinued productRef: 4Z-A-137005
Discontinued productRef: 4Z-R-3519
Discontinued productRef: 4Z-J-008013
Discontinued productRef: 4Z-M-8427
Discontinued productRef: 4Z-T-127021
Discontinued productRef: 4Z-S-4315
Discontinued productRef: 4Z-T-163087
Discontinued productRef: 4Z-C-9318
Discontinued productRef: 4Z-D-106004
Discontinued productRef: 4Z-E-110010
Discontinued productRef: 4Z-T-199012
Discontinued productRef: 4Z-M-118001
Discontinued productRef: 4Z-D-176031
Discontinued productRef: 4Z-E-110040
Discontinued productRef: 4Z-P-206006
Discontinued productRef: 4Z-D-106003
Discontinued productRef: 4Z-R-077012
Discontinued productRef: 4Z-M-8426
Discontinued productRef: 4Z-M-8428
Discontinued productRef: 4Z-T-199015
Discontinued productRef: 4Z-A-137017
Discontinued productRef: 4Z-E-110018
Discontinued productRef: 4Z-C-3729
Discontinued productRef: 4Z-PC-155039
Discontinued productRef: 4Z-E-110037
Discontinued productRef: 4Z-S-080004
Discontinued productRef: 4Z-P-206004
Discontinued productRef: 4Z-L-102068
Discontinued productVancomycin EP Impurity H (Mono-Dechloro-6 Vancomycin B)
Formula:C66H76ClN9O24Molecular weight:1414.84Ref: 4Z-V-032012
Discontinued productRef: 4Z-A-4213
Discontinued productTigecycline Impurity 23
CAS:Controlled ProductFormula:C26H32N4O8Color and Shape:White To Off-White SolidMolecular weight:528.56Ref: 4Z-T-109035
Discontinued productRef: 4Z-I-069005
Discontinued productRef: 4Z-A-192104
Discontinued productRef: 4Z-C-3210
Discontinued productRef: 4Z-C-6634
Discontinued productRef: 4Z-N-080017
Discontinued productRef: 4Z-E-110027
Discontinued productRef: 4Z-C-156031
Discontinued productRef: 4Z-M-2770
Discontinued productRef: 4Z-P-0427
Discontinued productRef: 4Z-P-415001
Discontinued productRef: 4Z-P-206015
Discontinued productRef: 4Z-T-199014
Discontinued productRef: 4Z-T-143016
Discontinued productRef: 4Z-R-077007
Discontinued productRef: 4Z-T-199007
Discontinued productRef: 4Z-T-3926
Discontinued productRef: 4Z-E-2047
Discontinued productRef: 4Z-A-2347
Discontinued productRef: 4Z-E-110038
Discontinued productRef: 4Z-R-337
Discontinued productRef: 4Z-R-101005
Discontinued productRef: 4Z-A-137004
Discontinued productRef: 4Z-C-126047
Discontinued productRef: 4Z-C-1141
Discontinued productRef: 4Z-A-6636
Discontinued productRef: 4Z-A-137013
Discontinued productRef: 4Z-E-071021
Discontinued productRef: 4Z-T-199016
Discontinued productRef: 4Z-C-5083
Discontinued productRef: 4Z-R-358
Discontinued productRef: 4Z-C-136029
Discontinued productRef: 4Z-R-2328
Discontinued productRef: 4Z-J-008011
Discontinued productRef: 4Z-T-397
Discontinued productRef: 4Z-A-144007
Discontinued productRef: 4Z-P-387001
Discontinued productRef: 4Z-T-127004
Discontinued productRef: 4Z-M-2716
Discontinued productRef: 4Z-F-107026
Discontinued productRef: 4Z-C-3726
Discontinued productRef: 4Z-P-206007
Discontinued productRef: 4Z-M-346
Discontinued productRef: 4Z-M-214005
Discontinued productRef: 4Z-D-176040
Discontinued productRef: 4Z-C-084
Discontinued productRef: 4Z-T-298003
Discontinued productRef: 4Z-C-663
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 productSultamicillin EP Impurity C (Ampicillin, Piperacillin EP Impurity A)
CAS:Formula:C16H19N3O4SMolecular weight:349.41Ref: 4Z-S-081002
Discontinued productRef: 4Z-P-0455
Discontinued productRef: 4Z-P-0453
Discontinued productFumonisin 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:324.40HT-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 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:324.4Deoxynivalenol
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:324.4T-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:466.52rac 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 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:318.36Zearalenone 4-Sulfate Ammonium Salt
CAS:Controlled ProductFormula:C18H25NO8SColor and Shape:NeatMolecular weight:415.4615-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:522.603-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:338.3515-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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