Tazobactam, Free acid CAS: 89786-04-9
MF: C10H12N4O5S
MW: 300.29
A β-lactamase inhibitor.

Tazobactam, Free acid (CAS 89786-04-9)

  • bvseo_sdk, java_sdk, bvseo-3.2.0
  • CLOUD, getAggregateRating, 117ms
  • bvseo-msg: The resource to the URL or file is currently unavailable.;
Application: A β-lactamase inhibitor
CAS Number: 89786-04-9
Molecular Weight: 300.29
Molecular Formula: C10H12N4O5S
* Refer to Certificate of Analysis for lot specific data (including water content).
Submit a review for this product and receive 15 CruzCredits

Tazobactam, free acid, is a β-lactamase (LACTB) inhibitor with antibacterial activity.


1. Bryson, H M., et al., 1994. Piperacillin/tazobactam. A review of its antibacterial activity, pharmacokinetic properties and therapeutic potential. Drugs. 47(3): 506-35. PMID: 7514977

Appearance :
Physical State :
Solubility :
Soluble in water.
Storage :
Store at room temperature
Melting Point :
170-178° C
Boiling Point :
~707.1° C at 760 mmHg (Predicted)
Density :
~1.9 g/cm3 (Predicted)
Refractive Index :
n20D 1.82 (Predicted)
IC50 :
β-lactamase: IC50 = 6 ng/mL (Proteus mirabilis); β-lactamase TEM: IC50 = 6 ng/mL (Escherichia coli); β-lactamase BRO-1: IC50 = 10 ng/mL (Moraxella catarrhalis); β-lactamase: IC50 = 32 ng/mL (Klebsiella oxytoca); β-lactamase SHV-1: IC50 = 40 ng/mL (Escherichia coli)
Ki Data :
β-lactamase TEM-1: Ki= 30 nM; Escherichia coli MC4100 β-Lactamase CMY-2: Ki= 800 nM; β-lactamase OXA-14 : Ki= 30 µM; β-lactamase OXA-17: Ki= 40 µM; Klebsiella pneumoniae 1534 β-lactamase KPC-2 T237S mutant : Ki= 53 µM
pK Values :
pKa: 2.33 (Predicted), pKb: 0.85 (Predicted)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
PubChem CID :
Merck Index :
14: 9083
MDL Number :
Beilstein Registry :

Download SDS (MSDS)

Certificate of Analysis

Adobe Acrobat Reader is required to reliably view,
print and comment on PDF documents

Tazobactam, Free acid  Product Citations

See how others have used Tazobactam, Free acid. Click on the entry to view the PubMed entry .

Citations 1 to 1 of 1 total

PMID: # 7514977  Bryson, HM. et al. 1994. Drugs. 47: 506-535.

Citations 1 to 1 of 1 total
  • bvseo_sdk, java_sdk, bvseo-3.2.0
  • CLOUD, getContent, 104ms
  • bvseo-msg: The resource to the URL or file is currently unavailable.;
  • bvseo_sdk, java_sdk, bvseo-3.2.0
  • CLOUD, getReviews, 12ms
  • bvseo-msg: The resource to the URL or file is currently unavailable.;

Santa Cruz Biotechnology, Inc. is a world leader in the development of products for the biomedical research market. Call us Toll Free at 1-800-457-3801.
Copyright © 2007-2020 Santa Cruz Biotechnology, Inc. All Rights Reserved. "Santa Cruz Biotechnology", and the Santa Cruz Biotechnology, Inc. logo, "Santa Cruz Animal Health", "San Juan Ranch", "Supplement of Champions", the San Juan Ranch logo, "Ultracruz", "Chemcruz", "Immunocruz", "Exactacruz", and "EZ Touch" are registered trademarks of Santa Cruz Biotechnology, Inc.
All trademarks are the property of their respective owners.