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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 Enquire
rac Fosfomycin, Disodium Salt 13C3 Stable Isotopes CS-SN-00032 Not Available Enquire
rac Fosfomycin-D5 (Major) Benzylamine Salt Stable Isotopes CS-T-95279 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fosfomycin Calcium Hydrate API CS-EO-03580 26469-67-0 Enquire
Fosfomycin Disodium API CS-T-55070 26016-99-9 In Stock
Fosfomycin Sodium API CS-EO-03581 33996-10-0 Enquire
Fosfomycin Trometamol API CS-O-01549 78964-85-9 In Stock
Fosfestrol Tetrasodium Salt API CS-DO-00017 4719-75-9 Enquire
Fosfomycin API CS-DK-00048 23155-02-4 Enquire
Fosfomycin Phenylethylamine hydrate API CS-O-41213 65794-75-4 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fosfomycin Diastereomer 2 Impurity CS-P-08271 45629-00-3 Enquire
Fosfomycin EP Impurity A (2Na salt) Impurity CS-EO-03582 84954-80-3 (Freebase) Enquire
Fosfomycin EP Impurity A (Calcium salt) Impurity CS-EO-03583 84954-80-3 (Freebase) Enquire
Fosfomycin Glycolic Impurity CS-O-14449 Not Available In Stock
Fosfomycin Trometamol EP Impurity A Impurity CS-O-03683 84954-80-3 Enquire
Fosfomycin Trometamol EP Impurity A Disodium Impurity CS-O-16884 84954-80-3 (free acid) In Stock
Fosfomycin Trometamol EP Impurity B Impurity CS-O-03684 1262243-11-7 In Stock
Fosfomycin Trometamol EP Impurity C Impurity CS-O-03685 23001-39-0 In Stock
Fosfomycin Trometamol Impurity D Impurity CS-N-00552 1262243-12-8 In Stock
rac-Fosfomycin Benzylamine Impurity CS-O-15921 27699-10-1 In Stock
cis-Propenylphosphonic Acid (R)-(+)-a-Methylbenzylamine Salt Impurity CS-T-85106 933443-26-6 Enquire
Fosfomycin Diastereomer 1 Impurity CS-P-08269 27357-50-2 Enquire
Fosfomycin enantiomer Impurity CS-P-08270 25030-76-6 Enquire
Fosfomycin EP Impurity C (Barium Salt) Impurity CS-O-16549 114252-50-5 Enquire
Fosfomycin Impurity B Impurity CS-P-04676 1262243-11-7 Enquire
Fosfomycin Impurity C TFA Impurity CS-O-16060 114252-50-5 (Free salt) Enquire
Fosfomycin Methoxy open ring Impurity Impurity CS-EO-00929 Not Available Enquire
Fosfomycin Trometamol Impurity B Sulfate Impurity CS-O-16457 Not Available Enquire
Fosfomycin-Sucrose Ether Disodium Salt Impurity CS-P-08801 Not Available Enquire
P-[(1R,2R)-1,2-Dihydroxypropyl]-phosphonic Acid Ammonium Sal... Impurity CS-T-91776 1160525-87-0 Enquire
sodium (Z)-prop-1-en-1-ylphosphonate Impurity CS-O-35612 25383-06-6 (Free base) Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fosfomycin Calcium Intermediate CS-T-77894 26016-98-8 In Stock


Pharmaceutical Stds.

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fosfomycin Phenylethylamine Pharmaceutical Stds. CS-TB-60017 25383-07-7 Enquire