Levofloxacin EP Impurity B

Name: Levofloxacin EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-006464

About Levofloxacin EP Impurity B

Listed under CAS 117707-40-1, Levofloxacin EP Impurity B is a pharmacopeial impurity of Levofloxacin available from Vaqora Chemicals, specified at 99% purity. Its molecular formula is C17H18FN3O4 and its molecular weight is 347.34 g/mol. Alternative names: Desmethyl Levofloxacin and N-Desmethyl Levofloxacin.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

As a characterised impurity of Levofloxacin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Levofloxacin

View every impurity, metabolite and intermediate we list for Levofloxacin.

Levofloxacin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Levofloxacin EP Impurity B
Catalogue No.	VQ-006464
CAS Number	117707-40-1
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 formula	C₁₇H₁₈FN₃O₄
Molecular weight	347.34 g/mol
Exact mass	347.1281
Grade	Reference Standard
Purity / assay	99%
HSN code	38229090
InChIKey	WKRSSAPQZDHYRV-VIFPVBQESA-N
SMILES	C[C@H]1COC2=C3N1C=C(C(=O)C3=CC(=C2N4CCNCC4)F)C(=O)O
PubChem CID	10958963

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.9
H-bond donors / acceptors	2 / 8
TPSA	82.1 Å²
Synonyms	Desmethyl 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 EP Impurity B

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

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

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Levofloxacin EP Impurity B?

The CAS Registry Number of Levofloxacin EP Impurity B is 117707-40-1. It is also known as Desmethyl Levofloxacin, N-Desmethyl Levofloxacin, Levofloxacin USP Related Compound A.

What is the molecular formula and molecular weight of Levofloxacin EP Impurity B?

Levofloxacin EP Impurity B has the molecular formula C17H18FN3O4 and a molecular weight of 347.34 g/mol. Its 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.

What is Levofloxacin EP Impurity B used for?

Levofloxacin EP Impurity B is supplied as a characterised reference material related to Levofloxacin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Levofloxacin EP Impurity B can I order?

We supply Levofloxacin EP Impurity B in Reference Standard (99%) grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Levofloxacin EP Impurity B?

Yes. Every lot of Levofloxacin EP Impurity B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Levofloxacin EP Impurity B be shipped internationally?

Yes. Levofloxacin EP Impurity B is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.