Besifloxacin Impurity B

About Besifloxacin Impurity B

Besifloxacin Impurity B is an impurity of Besifloxacin carrying the CAS registry number 101987-89-7. Its molecular formula is C13H8ClF2NO3 and its molecular weight is 299.65 g/mol. Systematically, it is named 8-chloro-1-cyclopropyl-6,7-difluoro-4-oxoquinoline-3-carboxylic acid.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Besifloxacin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from 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

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Besifloxacin

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

Besifloxacin impurities

Specifications & identifiers

Chemical identifiers
Product name	Besifloxacin Impurity B
Catalogue No.	VQ-004522
CAS Number	101987-89-7
IUPAC name	8-chloro-1-cyclopropyl-6,7-difluoro-4-oxoquinoline-3-carboxylic acid
Molecular formula	C₁₃H₈ClF₂NO₃
Molecular weight	299.65 g/mol
Exact mass	299.0161
Grade	Reference Standard
HSN code	38229090
InChIKey	ZHFGWIOLVRSZNQ-UHFFFAOYSA-N
SMILES	C1CC1N2C=C(C(=O)C3=CC(=C(C(=C32)Cl)F)F)C(=O)O
PubChem CID	9835941

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	1 / 6
TPSA	57.6 Å²
Synonyms	8-Chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid, 1-Cyclopropyl-6,7-difluoro-8-chloro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 1-Cyclopropyl-6,7-difluoro-8-chloro-4-oxo-1,4-dihydroquinolin-3-carboxylic acid, 1-Cyclopropyl-8-chloro-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid, 8-Chloro-1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, 3-Quinolinecarboxylic acid, 8-chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-, 8-chloro-1-cyclopropyl-6,7-difluoro-4-oxo-quinoline-3-carboxylic Acid, 8-Chloro-1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylicacid, 1-cyclopropyl-6,7-difluoro-8-chloro-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid, 1cyclopropyl-6,7-difluoro-8-chloro-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid, 8-Chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinoline carboxylic acid, 8-chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylicacid

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 Besifloxacin Impurity B?

The CAS Registry Number of Besifloxacin Impurity B is 101987-89-7. It is also known as 8-Chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid, 1-Cyclopropyl-6,7-difluoro-8-chloro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 1-Cyclopropyl-6,7-difluoro-8-chloro-4-oxo-1,4-dihydroquinolin-3-carboxylic acid.

What is the molecular formula and molecular weight of Besifloxacin Impurity B?

Besifloxacin Impurity B has the molecular formula C13H8ClF2NO3 and a molecular weight of 299.65 g/mol. Its IUPAC name is 8-chloro-1-cyclopropyl-6,7-difluoro-4-oxoquinoline-3-carboxylic acid.

What is Besifloxacin Impurity B used for?

Besifloxacin Impurity B is supplied as a characterised reference material related to Besifloxacin. 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 Besifloxacin Impurity B can I order?

We supply Besifloxacin Impurity B 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 Besifloxacin Impurity B?

Yes. Every lot of Besifloxacin 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 Besifloxacin Impurity B be shipped internationally?

Yes. We export Besifloxacin Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.