8-Ethoxy Impurity

Name: 8-Ethoxy Impurity
Brand: Vaqora Chemicals
SKU: VQ-038509

About 8-Ethoxy Impurity

8-Ethoxy Impurity is an impurity of Moxifloxacin carrying the CAS registry number 143158-55-8. With the molecular formula C15H13F2NO4, it has a molar mass of 309.26 g/mol. Systematically, it is named 1-cyclopropyl-8-ethoxy-6,7-difluoro-4-oxoquinoline-3-carboxylic acid. It is also known as Moxifloxacin Difluoro Ethoxy Acid Impurity or Moxifloxacin Impurity 5.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Moxifloxacin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across 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.

Typical applications

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

Industries

Related to Moxifloxacin

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

Moxifloxacin impurities

Specifications & identifiers

Chemical identifiers
Product name	8-Ethoxy Impurity
Catalogue No.	VQ-038509
CAS Number	143158-55-8
IUPAC name	1-cyclopropyl-8-ethoxy-6,7-difluoro-4-oxoquinoline-3-carboxylic acid
Molecular formula	C₁₅H₁₃F₂NO₄
Molecular weight	309.26 g/mol
Exact mass	309.0813
Grade	Reference Standard
HSN code	38229090
InChIKey	OPQCGNDAHQOQPC-UHFFFAOYSA-N
SMILES	CCOC1=C2C(=CC(=C1F)F)C(=O)C(=CN2C3CC3)C(=O)O
PubChem CID	15284793

Physical properties
Physical form	Solid
LogP (XLogP3)	3.1
H-bond donors / acceptors	1 / 7
TPSA	66.8 Å²
Synonyms	Moxifloxacin Difluoro Ethoxy Acid Impurity, 1-Cyclopropyl-8-ethoxy-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, Moxifloxacin Impurity 5, 1-Cyclopropyl-8-ethoxy-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid, Moxifloxacin Impurity 25, 1-cyclopropyl-8-ethoxy-6,7-difluoro-4-oxo-quinoline-3-carboxylic acid, 1-Cyclopropyl-8-ethoxy-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylicacid

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 8-Ethoxy Impurity?

The CAS Registry Number of 8-Ethoxy Impurity is 143158-55-8. It is also known as Moxifloxacin Difluoro Ethoxy Acid Impurity, 1-Cyclopropyl-8-ethoxy-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, Moxifloxacin Impurity 5.

What is the molecular formula and molecular weight of 8-Ethoxy Impurity?

8-Ethoxy Impurity has the molecular formula C15H13F2NO4 and a molecular weight of 309.26 g/mol. Its IUPAC name is 1-cyclopropyl-8-ethoxy-6,7-difluoro-4-oxoquinoline-3-carboxylic acid.

What is 8-Ethoxy Impurity used for?

8-Ethoxy Impurity is supplied as a characterised reference material related to Moxifloxacin. 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 8-Ethoxy Impurity can I order?

We supply 8-Ethoxy Impurity 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 8-Ethoxy Impurity?

Yes. Every lot of 8-Ethoxy Impurity 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 8-Ethoxy Impurity be shipped internationally?

Yes. We export 8-Ethoxy Impurity worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.