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Impurities and reference standards

Fosfomycin sodium

Also known as Fosfomycin disodium salt, Fosfomycin disodium, Phosphonomycin sodium

CAS 26016-99-9Formula C3H5Na2O4PMolar mass 182.02 g/molEC 247-409-2
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard 24 suppliers listed
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Fosfomycin sodium chemical structure, C3H5Na2O4P, CAS 26016-99-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
26016-99-9
Formula
C3H5Na2O4P
Molar mass
182.02 g/mol
EC number
247-409-2
HS code
294190
Category
Impurities and reference standards

What is Fosfomycin sodium?

Plain description, key identifiers and synonyms

Fosfomycin sodium is a chemical substance with the molecular formula C3H5Na2O4P and a molar mass of 182.02 g/mol. Its CAS registry number is 26016-99-9. The IUPAC name is disodium, [(2R,3S)-3-methyloxiran-2-yl]-dioxido-oxo-λ5-phosphane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
disodium, [(2R,3S)-3-methyloxiran-2-yl]-dioxido-oxo-λ5-phosphane
CAS number
26016-99-9 CAS number cross-checkedOther or deprecated CAS: 25030-61-9
EC number
247-409-2
Molecular formula
C3H5Na2O4P
UNII
97MMO19FNO
InChIKey
QZIQJIKUVJMTDG-JSTPYPERSA-L
InChI
InChI=1S/C3H7O4P.2Na/c1-2-3(7-2)8(4,5)6;;/h2-3H,1H3,(H2,4,5,6);;/q;2*+1/p-2/t2-,3+;;/m0../s1
Canonical SMILES
CC1OC1P(=O)([O-])[O-].[Na+].[Na+]
Isomeric SMILES
C[C@H]1[C@H](O1)P(=O)([O-])[O-].[Na+].[Na+]

Synonyms

  • Fosfomycin disodium salt
  • Fosfomycin disodium
  • Phosphonomycin sodium
  • Sodium fosfomycin
  • Disodium phosphonomycin
  • Priomicina
  • Fosfocina disodium salt
  • Disodium fosfomycin
  • Forocyle S
  • Fosmicin S
  • Phosphonomycin disodium salt
  • Disodium (1R,2S)-(1,2-epoxypropyl)phosphonate
  • MK 955
  • FOM-Na
  • Fosmicin S (TN)
  • Fosfomycin sodium salt
  • Levo-phosphonomycin disodium salt
  • (2R-cis)-(3-Methyloxiranyl)phosphonic acid disodium salt
  • (1R,2S)(-)-(1,2-Epoxypropyl)phosphonic acid disodium salt
  • Phosphonic acid, (3-methyloxiranyl)-, disodium salt, (2R-cis)-
  • Phosphonic acid, (1,2-epoxypropyl)-, disodium salt (1R,2S) (-)-
  • Disodium (2R,3S)-3-methyloxiran-2-ylphosphonate
  • Fosfomycin sodium (mart.)
  • Fosfomycin sodium (ep impurity)
  • Fosfomycin sodium (ep monograph)
Show all 33 synonyms
  • Fosfomycin sodium (JP17)
  • Phosphonic acid, (3-methyloxiranyl)-, disodium salt, (2R-cis)-(9CI)
  • Phosphomycin disodium salt
  • Veramina
  • Phosphonemycin
  • Phosphonemycin Disodium
  • disodium [(2R,3S)-3-methyloxiran-2-yl]phosphonate
  • [(2R,3S)-3-methyloxiranyl]phosphonic acid disodium salt

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
182.02 g/molcalc.
Exact mass
181.9721 Dacalc.
LogP (octanol/water)
-7.35calc.
Topological polar surface area
75.72 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
2calc.
Components
3calc.
Lipinski rule of five
Passes (0 violations)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, C1CO1

C1CO1

1 ring, 3 atoms, the Ethylene oxide ring system.

3,057 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H317May cause an allergic skin reaction.
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled.
  • H362May cause harm to breast-fed children.
Precautionary statements (22)
  • P203Obtain, read and follow all safety instructions before use.
  • P233Keep container tightly closed.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P263Avoid contact during pregnancy and while nursing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P342 + P316If experiencing respiratory symptoms: Get emergency medical help immediately.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403Store in a well-ventilated place.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Fosfomycin sodium suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 24 suppliers
24 of 24 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

24 suppliers in 7 countries

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Fosfomycin sodium price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Fosfomycin sodium is traded under.

HS 2941.90Indicative HS code

Antibiotics, other

World exports in 2024
$6.39B
+2.3% vs 2023, imports $6.97B
2019 to 2024
Top exporters
  1. China39.7%
  2. United States11.3%
  3. Switzerland * partner reported10.9%
Top importers
  1. Italy15.0%
  2. India * partner reported12.0%
  3. China8.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Fosfomycin sodium, based on the data on this page

What is Fosfomycin sodium?

Fosfomycin sodium is a chemical substance with the molecular formula C3H5Na2O4P and a molar mass of 182.02 g/mol. Its CAS registry number is 26016-99-9. The IUPAC name is disodium, [(2R,3S)-3-methyloxiran-2-yl]-dioxido-oxo-λ5-phosphane.

What is the CAS number of Fosfomycin sodium?

The CAS registry number of Fosfomycin sodium is 26016-99-9. Other or deprecated CAS numbers: 25030-61-9.

What is the molecular formula and weight of Fosfomycin sodium?

The molecular formula of Fosfomycin sodium is C3H5Na2O4P and its molar mass is 182.02 g/mol.

Is Fosfomycin sodium hazardous?

Fosfomycin sodium carries the GHS signal word "Danger". Main hazards: harmful if swallowed, may cause an allergic skin reaction, may cause allergy or asthma symptoms or breathing difficulties if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Fosfomycin sodium?

Fosfomycin sodium is usually classified under HS code 294190 (Antibiotics, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fosfomycin sodium?

CompoundList lists 24 suppliers of Fosfomycin sodium in China, India, United States, Germany and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Fosfomycin sodium in India?

6 suppliers in India list Fosfomycin sodium on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Fosfomycin sodium?

Suppliers quote Fosfomycin sodium 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 Fosfomycin sodium

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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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