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Antibiotics and anti-infectives

Flomoxef

Also known as Flomoxefum, FMOX, oxacephem 6315-S

CAS 99665-00-6Formula C15H18F2N6O7S2Molar mass 496.47 g/mol
1 supplier listed
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Flomoxef chemical structure, C15H18F2N6O7S2, CAS 99665-00-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
99665-00-6
Formula
C15H18F2N6O7S2
Molar mass
496.47 g/mol
HS code
293499
Category
Antibiotics and anti-infectives

What is Flomoxef?

Plain description, key identifiers and synonyms

Flomoxef is a second-generation oxacephem antibiotic in which the oxazine ring is substituted at C-3 with a hydroxyethyl-substituted tetrazolylthiomethyl group and the azetidinone ring carries 7alpha-methoxy and 7beta-{2-[(difluoromethyl)thiomethyl]acetamido} substituents. It has a role as an antibacterial drug. It is an organonitrogen heterocyclic antibiotic, a N-acyl-amino acid and an oxacephem.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(6R,7R)-7-[[2-(difluoromethylsulfanyl)acetyl]amino]-3-[[1-(2-hydroxyethyl)tetrazol-5-yl]sulfanylmethyl]-7-methoxy-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS number
99665-00-6 CAS number cross-checked
Molecular formula
C15H18F2N6O7S2
UNII
V9E5U5XF42
InChIKey
UHRBTBZOWWGKMK-DOMZBBRYSA-N
InChI
InChI=1S/C15H18F2N6O7S2/c1-29-15(18-8(25)6-31-13(16)17)11(28)23-9(10(26)27)7(4-30-12(15)23)5-32-14-19-20-21-22(14)2-3-24/h12-13,24H,2-6H2,1H3,(H,18,25)(H,26,27)/t12-,15+/m1/s1
Canonical SMILES
COC1(NC(=O)CSC(F)F)C(=O)N2C(C(=O)O)=C(CSc3nnnn3CCO)COC21
Isomeric SMILES
CO[C@@]1([C@@H]2N(C1=O)C(=C(CO2)CSC3=NN=NN3CCO)C(=O)O)NC(=O)CSC(F)F

Synonyms

  • Flomoxefum
  • FMOX
  • oxacephem 6315-S
  • Flomoxef (INN)
  • Flomoxefo

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
496.47 g/molcalc.
Exact mass
496.0646 Dacalc.
LogP (octanol/water)
-1.29calc.
Topological polar surface area
169 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
11calc.
Rotatable bonds
11calc.
Heavy atoms
32calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.6calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1CC2OCC(CSc3nnn[nH]3)=CN12

O=C1CC2OCC(CSc3nnn[nH]3)=CN12

3 rings, 16 atoms.

1 other chemical share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Flomoxef suppliers

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Where suppliers are based

1 supplier in 1 country

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Flomoxef price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Roles

  • antibacterial agent
  • antibacterial drug
  • antiinfective agent
  • antimicrobial agent
  • antimicrobial drug
  • pharmaceutical

Pharmacology

Flomoxef is a cephamycin antibiotic with a difluoromethylthio-acetamido group at the 7-beta position of the cephem nucleus, commonly used for postoperative prophylaxis. Flomoxef has activity against epidermides, streptococci, propionibacteria, and both methicillin-resistant and -susceptible Staphylococcus aureus.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Flomoxef is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Flomoxef is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Flomoxef, based on the data on this page

What is Flomoxef?

Flomoxef is a second-generation oxacephem antibiotic in which the oxazine ring is substituted at C-3 with a hydroxyethyl-substituted tetrazolylthiomethyl group and the azetidinone ring carries 7alpha-methoxy and 7beta-{2-[(difluoromethyl)thiomethyl]acetamido} substituents. It has a role as an antibacterial drug.

What is the CAS number of Flomoxef?

The CAS registry number of Flomoxef is 99665-00-6.

What is the molecular formula and weight of Flomoxef?

The molecular formula of Flomoxef is C15H18F2N6O7S2 and its molar mass is 496.47 g/mol.

What is Flomoxef used for?

Known uses and roles of Flomoxef include antibacterials and antibiotics in pharmaceuticals, antibacterial agent, antibacterial drug, antiinfective agent, antimicrobial agent and 2 more.

Is Flomoxef hazardous?

No GHS hazard classification for Flomoxef is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Flomoxef?

Flomoxef is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Flomoxef?

CompoundList lists 1 supplier of Flomoxef in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Flomoxef?

Suppliers quote Flomoxef on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Flomoxef

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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