Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: beta-Lactams
ID: D047090000


  • Four-membered cyclic AMIDES, best known for the PENICILLINS based on a bicyclo-thiazolidine, as well as the CEPHALOSPORINS based on a bicyclo-thiazine, and including monocyclic MONOBACTAMS. The BETA-LACTAMASES hydrolyze the beta lactam ring, accounting for BETA-LACTAM RESISTANCE of infective bacteria.

Classification Codes

  • Anti-Bacterial Agents
  • Anti-Infective Agents
* denotes mobile formatted website

Links to Resources

NLM Resources (File Locators)

Other Resources (Internet Locators)

Names and Synonyms

Name of Substance

  • beta-Lactams

MeSH Heading

  • beta-Lactams


  • 4-Thia-1-Azabicyclo(3.2.0)heptanes
  • 4-Thia-1-Azabicyclo(4.2.0)octanes

Registry Number

  • D047090000