Cefmenoxime

Modify Date: 2026-07-03 22:21:50

Cefmenoxime Structure
Cefmenoxime structure
Common Name Cefmenoxime
CAS Number 65085-01-0 Molecular Weight 511.55800
Density 1.96 g/cm3 Boiling Point N/A
Molecular Formula C16H17N9O5S3 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of Cefmenoxime


Cefmenoxime (SCE-1365) is a new semisynthetic cephalosporin antibiotic. Cefmenoxime has antibacterial activity against a wide variety of gram-positive and gram-negative bacteria[1][2].

 Names

Name cefmenoxime
Synonym More Synonyms

 Cefmenoxime Biological Activity

Description Cefmenoxime (SCE-1365) is a new semisynthetic cephalosporin antibiotic. Cefmenoxime has antibacterial activity against a wide variety of gram-positive and gram-negative bacteria[1][2].
Related Catalog
In Vitro Cefmenoxime (SCE-1365) inhibits at least 90% of strains tested (MIC90) ranged from 0.06 to 8 μg/mL for the Enterobacteriaceae[1]. Cefmenoxime (SCE-1365) inhibits MIC90 values for gram-positive cocci are 0.015 and ≤0.008 μg/mL for Streptococcus pneumoniae and Streptococcus pyogenes, respectively, and 2 μg/mL for S. aureus[1]. Cefmenoxime (SCE-1365) against Haemophilus influenzae, Neisseria gonorrhoeae and Neisseria meningitidis with MIC90 values ranging from ≤0.008 to 0.25 μg/mL[1].
In Vivo Cefmenoxime (SCE-1365) (40 mg/kg; i.h.; daily, for 7 d; male Jcl:ICR mice) improves the survival rate of mice infected with lung bacteria[2]. Animal Model: Male Jcl:ICR mice[2] Dosage: 40 mg/kg Administration: Subcutaneous injection; daily, for 7 days Result: Inhibited mortality rate of animals was 60% at a dose of 40 mg/kg.
References

[1]. Stamm JM, et, al. Antimicrobial activity of cefmenoxime (SCE-1365). Antimicrob Agents Chemother. 1981 Mar;19(3):454-60.

[2]. Tatara O, et, al. Synergistic effects of romurtide and cefmenoxime against experimental Klebsiella pneumonia in mice. Antimicrob Agents Chemother. 1992 Jan;36(1):167-71.

 Chemical & Physical Properties

Density 1.96 g/cm3
Molecular Formula C16H17N9O5S3
Molecular Weight 511.55800
Exact Mass 511.05100
PSA 269.65000
LogP 0.04020
InChIKey HJJDBAOLQAWBMH-NOZJJQNGSA-N
SMILES CON=C(C(=O)NC1C(=O)N2C(C(=O)O)=C(CSc3nnnn3C)CSC12)c1csc(N)n1

 Safety Information

Hazard Codes Xi
Risk Phrases R41:Risk of serious damage to eyes.
Safety Phrases S26-S39

 Precursor & DownStream

Precursor  1

DownStream  0

 CefmenoximeBioassay

View more

Name: Binding affinity towards human ESR1 in an in vitro cell free assay (NIBR assay) measu...
Source: ChEMBL
Target: Estrogen receptor
External Id: CHEMBL5291791
Name: Binding affinity towards human HRH3 in an in vitro assay with cellular components mea...
Source: ChEMBL
Target: Histamine H3 receptor
External Id: CHEMBL5291921
Name: Cytotoxicity counterscreen for inhibitors of SARS-CoV-2 cell entry
Source: NCGC
Target: N/A
External Id: TRND-SARS-CoV-2-cytotox-48hr
Name: Primary qHTS to identify inhibitors of SARS-CoV-2 cell entry
Source: NCGC
External Id: TRND-SARS-CoV-2-PP
Name: Choleostatic liver toxicity, either proven histopathologically or where the ratio of ...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3137727
Name: Severe hepatitis, defined as possibly life-threatening liver failure or through clini...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3137728
Name: Chronic liver disease either proven histopathologically, or through a chonic elevatio...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3137729
Name: Binding affinity towards human EDNRA in an in vitro assay with cellular components me...
Source: ChEMBL
Target: Endothelin-1 receptor
External Id: CHEMBL5291785
Name: Cirrhosis, proven histopathologically. Value is number of references indexed. [column...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3137730
Name: Granulomatous liver disease, proven histopathologically. Value is number of reference...
Source: ChEMBL
Target: NON-PROTEIN TARGET
External Id: CHEMBL3137731
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 Synonyms

Cefmenoxime
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,7-[[(2Z)-(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-,(6R,7R)
(6R,7R)-7-[[(Z)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
SCE 1365
7-[(Z)-2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-[[1-methyl-1H-tetrazol-5-yl]thiomethyl]-3-cephem-4-carboxylic acid
MFCD00864851
CMX
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