Phosphomycin disodium salt
Phosphomycin disodium salt (CAS: 26016-99-9), with the chemical formula C3H5Na2O4P and a molecular weight of 182.02 g/mol, is an antibiotic derived from *Streptomyces fradiae*. It is primarily utilised for treating uncomplicated urinary tract infections. Additionally, it serves to mitigate the nephrotoxicity and ototoxicity associated with platinum-based anti-tumour agents, making it a valuable compound in both therapeutic and research settings.
- IUPAC
- (−)-(1R,2S)-(1,2-Epoxypropyl)phosphonic acid,Fosfomycin,Phosphonomycin
- Synonyms
- (−)-(1R,2S)-(1,2-Epoxypropyl)phosphonic acid,Fosfomycin,Phosphonomycin

Treatment of Urinary Tract Infections
Phosphomycin disodium salt is a prescribed treatment for uncomplicated urinary tract infections (UTIs). Its mechanism of action interferes with bacterial cell wall synthesis, effectively combating common pathogens responsible for these infections.
Adjunct in Cancer Therapy
This compound is employed to reduce the adverse effects of certain anti-tumour drugs. Specifically, it helps to lessen the nephrotoxicity and ototoxicity that can be associated with platinum-based chemotherapeutic agents.
Microbiological Research
Phosphomycin disodium salt is used in laboratory settings for susceptibility studies of specific bacterial strains, such as *Klebsiella pneumoniae*. It also aids in the investigation of *in vitro* susceptibility testing procedures for related compounds.
| Molecular weight | 182.02 |
|---|---|
| Empirical formula | C3H5Na2O4P |
| Storage temperature | 2-8°C |
| Application | Phosphomycin, also known as Fosfomycin, is an antibiotic produced by Streptomyces fradiae. It is used to treat uncomplicated urinary tract infections and to reduce nephrotoxicity and ototoxicity of platinum-containing anti-tumor agents. It is used for susceptibility studies of Klebsiella pneumoniae1 and to study in vitro susceptibility testing procedures for fosfomycin tromethamine2. |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Phosphomycin disodium salt used for?
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Phosphomycin disodium salt is used to treat uncomplicated urinary tract infections and to reduce the nephrotoxicity and ototoxicity of platinum-containing anti-tumor agents. It is also utilised for susceptibility studies of bacteria like *Klebsiella pneumoniae* and for *in vitro* susceptibility testing procedures.
What is the CAS number and formula for Phosphomycin disodium salt?
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The CAS number is 26016-99-9 and the empirical formula is C3H5Na2O4P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as a research-grade chemical. We do not represent it as meeting USP, BP, or EP pharmacopoeia standards.
What are the safety and handling considerations for Phosphomycin disodium salt?
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When handling Phosphomycin disodium salt, it is recommended to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The product has a WGK Germany rating of 3.
How is Phosphomycin disodium salt packaged and shipped?
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Tech Serve Solutions carefully packages and exports fine chemicals, laboratory reagents, and pharmaceutical intermediates globally, adhering to all necessary regulations for safe transport.
How can I request a sample or quote?
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Please contact our sales team via the website or by phone to request a sample or a formal quotation for Phosphomycin disodium salt.
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