Impurity reference standards

Florfenicol impurity standards

This page brings together 6 Florfenicol related compounds that analytical teams use to identify, quantify and control impurities in the active ingredient and the finished dosage form. The range includes 1 isotope-labelled standard.

6reference materials

1isotope labelled

Batches are supplied with a certificate of analysis, and the supporting spectra can be sent ahead of a purchase order so your QA team can review them. Typical uses are method development and validation, relative response factor work, forced degradation studies and the impurity sections of ANDA, DMF or CEP filings.

By impurity type

Isotope labelled1Deuterated, 13C or 15N internal standards

Counts are based on product names. One compound can fall into more than one type.

All Florfenicol reference materials

1–6 of 6 standards

((4R,5R)-2-(Dichloromethyl)-5-(4-(methylsulfonyl)phenyl)-4,5-dihydrooxazol-4-yl)methanol

CAS: 126813-11-4
Formula: C₁₂H₁₃Cl₂NO₄S
MW: 338.2 g/mol

ZX-024763

Deschloro Florfenicol

CAS: 138872-73-8
Formula: C₁₂H₁₅ClFNO₄S
MW: 323.77 g/mol

ZX-029529

Florfenicol Amine

CAS: 76639-93-5
Formula: C₁₀H₁₄FNO₃S
MW: 247.29 g/mol

ZX-029528

Florfenicol Amine Hydrochloride

CAS: 108656-33-3
Formula: C₁₀H₁₅ClFNO₃S
MW: 283.75 g/mol

ZX-043464

Florfenicol Chloro Analogue

CAS: 1322625-10-4
Formula: C₁₂H₁₄Cl₃NO₄S
MW: 374.7 g/mol

ZX-029530

Florfenicol-D4

CAS: 163340-45-2
Formula: C₆H₁₅NO₄
MW: 165.19 g/mol

ZX-029531

Questions

Florfenicol impurities, answered

What Florfenicol reference materials are available?

The catalogue currently lists 6 compounds for Florfenicol, including 1 isotope-labelled standard. Each product page shows the CAS number where one is assigned, the structure, formula and molecular weight.

What documents come with a Florfenicol impurity standard?

A certificate of analysis travels with every lot. On request we share the characterisation set, usually 1H-NMR, mass spectrum, HPLC purity and IR, and for some materials TGA or water content. Ask for the data before ordering if your QA team needs to review it.

Can Zemixal make a Florfenicol impurity that is not listed?

Often yes. Send the structure, name or CAS number with the quantity you need and our sourcing team checks custom synthesis options, usually from 10 mg up to gram scale, with a quoted lead time.

Are isotope-labelled Florfenicol standards available?

Yes. 1 stable-isotope labelled compound is listed, suitable as internal standards for LC-MS bioanalysis and trace impurity quantitation.

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Flomoxef 2 Flonicamid 1 All APIs