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A6987

Sigma-Aldrich

Ceftazidime hydrate

Synonym(s):

1-[[(6R,7R)-7-[[(2Z)-(2-amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinum

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About This Item

Empirical Formula (Hill Notation):
C22H22N6O7S2 · xH2O
CAS Number:
120618-65-7
Molecular Weight:
546.58 (anhydrous basis)
MDL number:
MFCD00153936
UNSPSC Code:
51284108
PubChem Substance ID:
329770910
NACRES:
NA.85

description

does not contain sodium carbonate

Assay

95.0-102.0% anhydrous basis

form

powder or crystals

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria

Mode of action

cell wall synthesis | interferes

storage temp.

2-8°C

SMILES string

[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].CC(C)(O\N=C(/C(=O)N[C@H]1[C@H]2SCC(C[n+]3ccccc3)=C(N2C1=O)C([O-])=O)c4csc(N)n4)C(O)=O

InChI

1S/C22H22N6O7S2.5H2O/c1-22(2,20(33)34)35-26-13(12-10-37-21(23)24-12)16(29)25-14-17(30)28-15(19(31)32)11(9-36-18(14)28)8-27-6-4-3-5-7-27;;;;;/h3-7,10,14,18H,8-9H2,1-2H3,(H4-,23,24,25,29,31,32,33,34);5*1H2/b26-13-;;;;;/t14-,18-;;;;;/m1...../s1

InChI key

NMVPEQXCMGEDNH-TZVUEUGBSA-N

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General description

Broad spectrum antibiotic; third generation cephalosporin

Application

Ceftazidime hydrate is used to study the effect of expression, binding and inhibition of penicillin-binding proteins especially PBP3 on bacterial cell wall mucopeptide synthesis. It is also used in bacterial susceptibility studies and to select mutant colonies of interest.

Biochem/physiol Actions

Cephalosporins, such as ceftazidime , disrupt the synthesis of the peptidoglycan layer of bacterial cell walls.

Other Notes

Keep container tightly closed in a dry and well-ventilated place.

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H317,H334

Precautionary Statements

P261 - P280 - P342 + P311

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Neang S Ly et al.
The Journal of antimicrobial chemotherapy, 70(5), 1434-1442 (2015-02-26)
Colistin is an 'old' drug, which is being increasingly utilized due to limited therapeutic options. However, resistance emergence during monotherapy is concerning. Here, our objective was to optimize colistin combinations against Pseudomonas aeruginosa by profiling the time course of synergistic
David M P De Oliveira et al.
Science translational medicine, 12(570) (2020-11-20)
The emergence of polymyxin resistance in carbapenem-resistant and extended-spectrum β-lactamase (ESBL)-producing bacteria is a critical threat to human health, and alternative treatment strategies are urgently required. We investigated the ability of the hydroxyquinoline analog ionophore PBT2 to restore antibiotic sensitivity
Borys Snopok et al.
The Analyst, 140(9), 3225-3232 (2015-03-13)
An ultra-sensitive gas phase biosensor/tracer/bio-sniffer is an emerging technology platform designed to provide real-time information on air-borne analytes, or those in liquids, through classical headspace analysis. The desired bio-sniffer measures gaseous 17α- ethinylestradiol (ETED) as frequency changes on a quartz
Ruud R G Bueters et al.
Pediatric research, 76(6), 508-514 (2014-08-29)
Many premature born neonates receive antibiotic drugs to treat infections, which are applied during active nephrogenesis. We studied the impact of clinical concentrations of gentamicin and alternatives, ceftazidime and meropenem, on ureteric branching. Mice metanephroi were dissected at embryonic day
Yung-Heng Hsu et al.
International journal of nanomedicine, 9, 4347-4355 (2014-09-24)
We developed biodegradable drug-eluting nanofiber-enveloped implants that provided sustained release of vancomycin and ceftazidime. To prepare the biodegradable nanofibrous membranes, poly(D,L)-lactide-co-glycolide and the antibiotics were first dissolved in 1,1,1,3,3,3-hexafluoro-2-propanol. They were electrospun into biodegradable drug-eluting membranes, which were then enveloped

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