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Pharmacopeial Impurities (EP / USP / BP)

Levofloxacin EP Impurity B

Reference StandardIn stock

Order Levofloxacin EP Impurity B (CAS 117707-40-1) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Levofloxacin EP Impurity B chemical structure
CAS number117707-40-1
FormulaC17H18FN3O4
Molar mass347.34 g/mol
Physical formSolid
HS code38229090
Purity99%
InChIKeyWKRSSAPQZDHYRV-VIFPVBQESA-N
IUPAC name(2S)-7-fluoro-2-methyl-10-oxo-6-piperazin-1-yl-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid

About Levofloxacin EP Impurity B

Analytical teams working on Levofloxacin use Levofloxacin EP Impurity B as a qualified comparison standard. Key data (Reference Standard): CAS 117707-40-1, formula C17H18FN3O4 and molar mass 347.34 g/mol. It is handled as a solid.

Use cases we see most often

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Safe handling

Classified under GHS with signal word Warning and hazard statements H302. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Levofloxacin

See every impurity, metabolite and related compound we list for this API.

Levofloxacin standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Levofloxacin EP Impurity B
Product nameLevofloxacin EP Impurity B
Catalogue numberZX-005782
CAS number117707-40-1
IUPAC name(2S)-7-fluoro-2-methyl-10-oxo-6-piperazin-1-yl-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid
Molecular formulaC17H18FN3O4
Molar mass347.34 g/mol
Exact mass347.1281
GradeReference Standard
Purity / assay99%
Physical formSolid
XLogP3-0.9
H-bond donors / acceptors2 / 8
Topological polar surface area82.1 Ų
HS code38229090
InChIKeyWKRSSAPQZDHYRV-VIFPVBQESA-N
SMILESC[C@H]1COC2=C3N1C=C(C(=O)C3=CC(=C2N4CCNCC4)F)C(=O)O
PubChem CID10958963
SynonymsDesmethyl Levofloxacin, N-Desmethyl Levofloxacin, Levofloxacin USP Related Compound A, Uing 4-255, N-Desmethyl ofloxacin, (S)-, N-Desmethyl levofloxacin, (-)-, Levofloxacin impurity, N-desmethyl levofloxacin-(USP), des-methyl levofloxacin, N-Desmethyllevofloxacin, Desmethyllevofloxacin, Ofloxacin Impurity E, Levofloxacin Related Compound A

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Levofloxacin EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Levofloxacin EP Impurity B

Which CAS number identifies Levofloxacin EP Impurity B?
Levofloxacin EP Impurity B is registered under CAS 117707-40-1. You may also see it listed as Desmethyl Levofloxacin, N-Desmethyl Levofloxacin, Levofloxacin USP Related Compound A. Our catalogue number for this item is ZX-005782.
What are the formula and molar mass of Levofloxacin EP Impurity B?
For Levofloxacin EP Impurity B, its formula is C17H18FN3O4 and its molar mass is 347.34 g/mol. The systematic (IUPAC) name is (2S)-7-fluoro-2-methyl-10-oxo-6-piperazin-1-yl-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid. InChIKey WKRSSAPQZDHYRV-VIFPVBQESA-N lets you match it in any structure database.
How is Levofloxacin EP Impurity B used in pharmaceutical QC?
Levofloxacin EP Impurity B is a characterised reference material linked to Levofloxacin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Levofloxacin EP Impurity B?
This listing is Reference Standard grade with 99% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Levofloxacin EP Impurity B?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Levofloxacin EP Impurity B to my country?
Yes. Because Levofloxacin EP Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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