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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Fosfomycin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Fosfomycin impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Fosfomycin-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Fosfomycin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fosfomycin Tromethamine-D5 Stable Isotopes CS-EO-02458 Not Available Enquire
rac-Fosfomycin-13C3 Benzylamine Stable Isotopes CS-O-31230 1216461-18-5 In Stock


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fosfestrol Tetrasodium Salt API Standards CS-DO-00017 4719-75-9 Enquire
Fosfomycin API Standards CS-DK-00048 23155-02-4 Enquire
Fosfomycin Calcium Hydrate API Standards CS-EO-03580 26469-67-0 Enquire
Fosfomycin Disodium Salt API Standards CS-T-55070 26016-99-9 In Stock
Fosfomycin Phenylethylamine hydrate API Standards CS-O-41213 65794-75-4 Enquire
Fosfomycin Trometamol API Standards CS-O-01549 78964-85-9 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
cis-Propenylphosphonic Acid (R)-(+)-a-Methylbenzylamine Salt Impurities CS-T-85106 933443-26-6 Enquire
Fosfomycin Diastereomer 1 Impurities CS-P-08269 27357-50-2 Enquire
Fosfomycin Diastereomer 2 Impurities CS-P-08271 45629-00-3 Enquire
Fosfomycin enantiomer Impurities CS-P-08270 25030-76-6 Enquire
Fosfomycin EP Impurity A (2Na salt) Impurities CS-EO-03582 84954-80-3 (Freebase) Enquire
Fosfomycin EP Impurity C (Barium Salt) Impurities CS-O-16549 114252-50-5 Enquire
Fosfomycin Impurity B Impurities CS-P-04676 1262243-11-7 Enquire
Fosfomycin Impurity C TFA Impurities CS-O-16060 114252-50-5 (Free salt) Enquire
Fosfomycin Methoxy open ring Impurity Impurities CS-EO-00929 Not Available Enquire
Fosfomycin Trometamol EP Impurity A Impurities CS-O-03683 84954-80-3 In Stock
Fosfomycin Trometamol EP Impurity A Disodium Salt Impurities CS-O-16884 84954-80-3 (free acid) In Stock
Fosfomycin Trometamol EP Impurity B Impurities CS-O-03684 1262243-11-7 In Stock
Fosfomycin Trometamol EP Impurity C Impurities CS-O-03685 23001-39-0 In Stock
Fosfomycin Trometamol Impurity B Sulfate Impurities CS-O-16457 Not Available In Stock
Fosfomycin Trometamol Impurity D Impurities CS-N-00552 1262243-12-8 In Stock
Fosfomycin-Sucrose Ether Disodium Salt Impurities CS-P-08801 Not Available Enquire
rac-Fosfomycin Benzylamine Impurities CS-O-15921 27699-10-1 In Stock
sodium (Z)-prop-1-en-1-ylphosphonate Impurities CS-O-35612 25383-06-6 (Free base) Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2-Fosfomycinyl-1-(hydroxy)propyl)phosphonic Acid Intermediates CS-T-74544 1416734-33-2 Enquire
Fosfomycin Calcium Intermediates CS-T-77894 26016-98-8 In Stock