Description

Fosfomycin Calcium is a calcium salt derivative of the broad-spectrum antibiotic fosfomycin. This compound is valued for its stability and role as a key pharmaceutical intermediate in the synthesis of active pharmaceutical ingredients (APIs). It is primarily utilized by manufacturers in the pharmaceutical and veterinary medicine industries for producing antibiotic formulations. The product is supplied as a high-purity material to ensure efficacy and compliance in final drug products.

Application

• Pharmaceutical Intermediate: A critical starting material or intermediate in the synthesis of Fosfomycin Trometamol and other fosfomycin-based antibiotic APIs.
• Antibiotic Production: Used in the manufacture of oral and injectable antibiotic formulations targeting Gram-positive and Gram-negative bacteria.
• Veterinary Medicine: Incorporated into medicated feeds or treatments for bacterial infections in livestock and companion animals.
• Research & Development: Serves as a reference standard or building block in microbiological and pharmacological research.
• Urinary Tract Infection (UTI) Treatments: A key component in the production of medications specifically designed to treat uncomplicated UTIs.

Basic Information

Product Name	Fosfomycin Calcium
CAS No.	105507-58-2
Molecular Formula	C3H7CaO4P
Molecular Weight	194.13 g/mol
Synonyms	Calcium Fosfomycin; Fosfomycin Calcium Salt; (1R,2S)-(1,2-Epoxypropyl)phosphonic Acid Calcium Salt; (-)-(1R,2S)-1,2-Epoxypropylphosphonic Acid Calcium Salt; Phosphomycin Calcium; MK-0955 Calcium Salt; Antibiotic MK 0955 Calcium Salt
EINECS	Contact for details

Quality Control

Our Fosfomycin Calcium is produced and tested under a strict quality management system. Each batch is analyzed to meet high-purity standards suitable for pharmaceutical use, with testing typically including identification, assay, and impurity profile determination. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to ensure traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature. Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5% Total impurities ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.