Ofloxacin EP Impurity A

Name: Ofloxacin EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-006550

About Ofloxacin EP Impurity A

Ofloxacin EP Impurity A (CAS 82419-35-0) is a pharmacopeial impurity of Ofloxacin offered by Vaqora Chemicals. The compound has the formula C13H9F2NO4, corresponding to a molecular weight of 281.21 g/mol. Its systematic (IUPAC) name is 6,7-difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid. It is also known as RS-Ofloxacin Carboxylic Acid or Oxygen-fluorine acid.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Ofloxacin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Ofloxacin EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. Stock is available for quick dispatch.

Typical applications

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

Industries

Related to Ofloxacin

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

Ofloxacin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ofloxacin EP Impurity A
Catalogue No.	VQ-006550
CAS Number	82419-35-0
IUPAC name	6,7-difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid
Molecular formula	C₁₃H₉F₂NO₄
Molecular weight	281.21 g/mol
Exact mass	281.05
Grade	Reference Standard
HSN code	38229090
InChIKey	NVKWWNNJFKZNJO-UHFFFAOYSA-N
SMILES	CC1COC2=C3N1C=C(C(=O)C3=CC(=C2F)F)C(=O)O
PubChem CID	534278

Physical properties
Physical form	Solid
LogP (XLogP3)	2.1
H-bond donors / acceptors	1 / 7
TPSA	66.8 Å²
Synonyms	RS-Ofloxacin Carboxylic Acid, Oxygen-fluorine acid, Ofloxacin Q acid, Ofloxacin Difluoro Carboxylic Acid, 8,9-Difluoro-3-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid, Ofloxacin Impurity A, Ofloxacin Q acid, (+/-)-, 9,10-difluoro-, (RS-Ofloxacin Carboxylic Acid), Ofloxacin EP Impurity A, Levofloxacin Impurity 1

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 Ofloxacin EP Impurity A?

The CAS Registry Number of Ofloxacin EP Impurity A is 82419-35-0. It is also known as RS-Ofloxacin Carboxylic Acid, Oxygen-fluorine acid, Ofloxacin Q acid.

What is the molecular formula and molecular weight of Ofloxacin EP Impurity A?

Ofloxacin EP Impurity A has the molecular formula C13H9F2NO4 and a molecular weight of 281.21 g/mol. Its IUPAC name is 6,7-difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid.

What is Ofloxacin EP Impurity A used for?

Ofloxacin EP Impurity A is supplied as a characterised reference material related to Ofloxacin. 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 Ofloxacin EP Impurity A can I order?

We supply Ofloxacin EP Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ofloxacin EP Impurity A?

Yes. Every lot of Ofloxacin EP Impurity A 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 Ofloxacin EP Impurity A be shipped internationally?

Yes. Ofloxacin EP Impurity A 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.