Fosfomycin Impurity 82 CAS 789427-15-2

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.789427-15-2
Molecular FormulaC4H9O4P
Molecular Weight152.09 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Fosfomycin Impurity 82 CAS 789427-15-2 chemical structure

Description

CATO supplies Fosfomycin Impurity 82 (CAS 789427-15-2), a pharmacopoeial impurity reference standard (molecular formula C4H9O4P, MW 152.09 g/mol) used for the identification and quantification of trace impurities in APIs.

Structurally, Fosfomycin Impurity 82 (C4H9O4P) contains a carbohydrate-derived structure, a phosphate ester group. The molecule exhibits a degree of unsaturation (DBE) of 0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 152.09 g/mol, it falls into the medium-molecular-weight range.

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

As a certified reference material (CRM), Fosfomycin Impurity 82 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC4H9O4P
Molecular Weight152.09 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)0.5
CAS Registry Year (est.)1986

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