Cefmenoxime hydrochloride Chemical Properties

Melting point:

>175°C (dec.)

storage temp. 

under inert gas (nitrogen or Argon) at 2-8°C

solubility 

DMSO (Slightly, Heated), Methanol (Slightly)

form 

Solid

color 

Off-White to Pale Yellow

InChI

InChI=1/C16H17N9O5S3.ClH/c1-24-16(20-22-23-24)33-4-6-3-31-13-9(12(27)25(13)10(6)14(28)29)19-11(26)8(21-30-2)7-5-32-15(17)18-7;/h5,9,13H,3-4H2,1-2H3,(H2,17,18)(H,19,26)(H,28,29);1H/b21-8-;/t9-,13-;/s3

InChIKey

HZYJYGJIOCXOTH-AJVJENPNNA-N

SMILES

C(C1=C(CS[C@]2([H])[C@H](NC(=O)/C(/C3N=C(N)SC=3)=N\OC)C(=O)N12)CSC1=NN=NN1C)(=O)O.Cl |&1:5,7,r|

Safety Information

HS Code 

2941906000

Cefmenoxime hydrochloride Usage And Synthesis

Description

Cef menoxime hydrochloride is a third generation cephalosporin antibiotic. Structurally, it possesses the (1-methyl-lH-tetrazol-5-yl)thiomethyl moiety in the 3-position; like several other compounds containing this structural element (moxalactam, cefoperazone, cefamandol), bleeding linked to vitamin K interaction has been reported. Cefmenoxime has activity similar to cefotiuime, ceftizoxime and moxalactam against E.coli, C. diversus, Klebsiella, P. Mirabilis, Salmonella, Shigella, Neiseria spp., S. pyogenes, S. Pneumoniae, and g. influenzae. It is relatively ineffective against Pseudomonas and Bacteroidea.

Originator

Takeda (Japan)

Uses

A third generation cephalosporin antibiotic with strong antimicrobial activities against Streptococcus pneumoniae, Haemophilus influenzae and Moraxella subgenus Branhamella catarrhalis that were 3 major aerobic bacteria from sinusitis.

Uses

antibacterial

Definition

ChEBI: The hemihydrochloride salt of cefmenoxime.

brand name

Cefmax (TAP);TACEF;BESTCALL.

General Description

Cefmenoxime was synthesized by Takeda Pharmaceutical Co. in 1978. It contains aminothiazole and methoxyimino groups in the 7-acyl position and a methyltetrazole group at the 3 position of the cephem nucleus. Cefmenoxime has a wide activity spectrum against gram-positive and gram-negative bacteria, including anaerobes, except Staphylococcus aureus. Cefmenoxime is a member of the so-called third-generation cephalosporins, a recently introduced class of clinically important antibiotics.

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