Beta-lactam Antibiotics

β-lactam antibiotics are characterized by four-membered ß-lactam ring. Penicillin G was the first β-lactam antibiotic that entered the clinic. Almost all ß-lactam antibiotics derived initially from microbes through a fermentation process. β-lactam antibiotics are bactericidal, and act by inhibiting the synthesis of the peptidoglycan layer of bacterial cell walls. The activity of these antibiotics is related to the opening of the ß-lactam ring. These antibiotics have broad antibacterial spectrum, strong antibacterial activity, low toxicity, high industrial level, clear structure-activity relationship, and high alterability, so they have been widely developed and applied.

Beta-lactam Antibiotics (34):

Cat. No.	Product Name	CAS No.	Purity	Chemical Structure

HY-13678

Meropenem	96036-03-2	99.68%
Meropenem (SM 7338) is a carbapenem antibiotic with broad-spectrum antibacterial activity. Meropenem has activity against susceptible and resistant *N. gonorrhoeae* (MIC value of 0.02-0.06 mg/mL), *H. influenzae* (MIC value of 0.03-0.12 mg/mL), and *H. ducreyi* (MIC value of 0.015-0.12 mg/mL).

HY-B1463

Penicillin G sodium salt	69-57-8	99.33%
Penicillin G sodium salt is a typical β-lactam antibiotic.

HY-B1418

Tazobactam	89786-04-9	99.94%
Tazobactam (CL-298741) is a potent β-lactamases inhibitor and penicillin antibiotic. Tazobactam has antibacterial activity. Tazobactam can be used for pneumonia research.

HY-B0975

Penicillin V Potassium	132-98-9	98.14%
Penicillin V Potassium (Phenoxymethylpenicillin potassium salt) is an orally active antibiotic. Penicillin V Potassium inhibits the growth of Streptococci, C. difficile and S. aureus. Penicillin V Potassium can be used for the research of otitis, sinusitis, pharyngitis and tonsillitis.

HY-B0030R

D-Cycloserine (Standard)	68-41-7
D-Cycloserine (Standard) is the analytical standard of D-Cycloserine. This product is intended for research and analytical applications. D-Cycloserine is an antibiotic which targets sequential bacterial cell wall peptidoglycan biosynthesis enzymes. D-Cycloserine is a partial NMDA agonist that can improve cognitive functions. D-Cycloserine can be used for multidrug-resistant tuberculosis research.

HY-B1463R

Penicillin G sodium salt (Standard)	69-57-8
Penicillin G sodium salt (Standard) is the analytical standard of Penicillin G sodium salt. This product is intended for research and analytical applications. Penicillin G sodium salt is a typical β-lactam antibiotic.

HY-B1418R

Tazobactam (Standard)	89786-04-9
Tazobactam (Standard) is the analytical standard of Tazobactam. This product is intended for research and analytical applications. Tazobactam (CL-298741) is a potent β-lactamases inhibitor and penicillin antibiotic. Tazobactam has antibacterial activity. Tazobactam can be used for pneumonia research.

HY-117108

Nocardicin A	39391-39-4
Nocardicin A is a beta-lactam antibiotic with selective antibacterial activity. Nocardicin A has moderate antibacterial activity against a broad spectrum of Gram-negative bacteria including Proteus and Pseudomonas; it has no inhibitory effect on Staphylococcus, Mycobacterium, fungi, and yeast.

HY-N14458

Pluracidomycin A2	92755-79-8
Pluracidomycin A2 (PLM A2) is a carbapenem antibiotic and has anti-Gram-positive bacteria and Gram-negative bacteria activities.

HY-N14919

Olivanic acid	64761-66-6
Olivanic acid is a β -lactam antibiotic. Olivanic acid has the effect of anti -Gram-positive bacteria and anti-Gram-negative bacteria. Olivanic acid inhibits β-lactamase.

HY-N14835

Formadicin C	99124-79-5
Formadicin C has the strongest activity against some pseudomonas, Proteus and alkali producing bacilli.

HY-N14834

Formadicin B	99150-61-5
Formadicin B has strong activity against kinds of pseudomonas, proteobacteria and alkaline-producing bacilli.

HY-N14175

Epithienamycin C	63599-16-6
Epithienamycin C is a carbapenem antibiotic. Epithienamycin C has anti-Gram-positive and Gram-negative bacteria activity.

HY-N14174

Epithienamycin A	63582-78-5
Epithienamycin A is a carbapenem antibiotic. Epithienamycin A has anti-Gram-positive bacteria and anti-Gram-negative bacteria activity.

HY-N14173

Epiderstatin	126602-16-2
Epiderstatin is a glutarimide antibiotic. Epiderstatin has the activity of inhibiting the filamentous division induced by epidermal growth factor (EGF), but does not inhibit EGF-receptor kinase. Epiderstatin has only weak antifungal activity and no antibacterial effect.

HY-N14967

Epicillin	26774-90-3
Epicillin is found in the strain of Semisynthetic broad-spectrum penicillin with antibacterial activities.

HY-N14896

Chitinovorin C	95230-98-1
Chitinovorin C is a β-lactam antibiotic with a weak inhibitory activity against Gram-negative bacteria.

HY-N14895

Chitinovorin A	95041-98-8
Chitinovorin A is a β-lactam antibiotic with a weak inhibitory activity against Gram-negative bacteria.

HY-N14108

Chlorocardicin	95927-71-2
Chlorocardicin is a monocyclic beta-lactam. Chlorocardicin has moderate in vitro activity against Enterobacteriaceae and Pseudomonas aeruginosa.

HY-N14005

Cephamycin A	34279-78-2
Cephalomycin A shows weak activity against Gram-positive and negative bacteria.

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