CEFMETAZOLE

Cefmetazole is a cephamycin antibiotic stable to lactamases. Used for abdominal infections. Side effects include disulfiramlike reactions and GI upset. Only GMP materials will be supplied, logistics all according to GDP.

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Product Description


Mechanism of action

Cefmetazole is a cephamycin-class lactam antibiotic structurally related to cefoxitin. Its 7methoxy substituent confers enhanced stability against many plasmid- and chromosomal-mediated lactamases, including certain ESBLs and AmpC enzymes. It binds penicillin-binding proteins (PBPs), inhibiting the transpeptidation step of peptidoglycan synthesis. This disrupts the bacterial cell wall, leading to osmotic lysis. Cefmetazole has strong activity against anaerobes and challenging gram-negative organisms, including some resistant Enterobacteriaceae.

Benefits and advantages

Used in ESBL/AmpC resistance modelling, anaerobic-pathogen studies, cephamycin SAR profiling, PBP-binding research, lactamase inhibition investigations, and polymicrobial infection modelling. Valuable for exploring lactam stability mechanisms in resistant gram-negative populations.

Side effects and risks

Risks include hypersensitivity, GI disturbances, hepatic enzyme elevation, coagulation interference, and selection of resistant strains. Handle under lactam antimicrobial containment protocols.

Only GMP materials will be supplied, logistics all according to GDP.

Datasheet


Molecular Formula

C15H17N3O6S2

Molecular Weight

471.5 g/mol

CAS Number

56796-20-4

Storage Condition

Store in a cool, dry place. Keep container tightly closed. Protect from moisture and light.

Solubility

Solubility depends on solvent and conditions (e.g., pH). Please contact us for solvent-specific guidance.

Purity

Purity information is available upon request (COA).

Synonym

cefmetazole; 56796-20-4; Cefmetazolo; Cefmetazolum; (6R,7S)-7-[[2-(cyanomethylsulfanyl)acetyl]amino]-7-methoxy-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

IUPAC/Chemical Name

(6R,7S)-7-[[2-(cyanomethylsulfanyl)acetyl]amino]-7-methoxy-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

InChl Key

SNBUBQHDYVFSQF-HIFRSBDPSA-N

InChl Code

InChI=1S/C15H17N7O5S3/c1-21-14(18-19-20-21)30-6-8-5-29-13-15(27-2,17-9(23)7-28-4-3-16)12(26)22(13)10(8)11(24)25/h13H,4-7H2,1-2H3,(H,17,23)(H,24,25)/t13-,15+/m1/s1

References

https://pubchem.ncbi.nlm.nih.gov/compound/42008;

3D Conformer.

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