Atovaquone EP Impurity A

About Atovaquone EP Impurity A

Atovaquone EP Impurity A is a pharmacopeial impurity of Atovaquone carrying the CAS registry number 2517583-91-2. With the molecular formula C22H19ClO3, it has a molar mass of 366.8 g/mol. Its systematic (IUPAC) name is 2-[4-(4-chlorophenyl)cyclohexyl]-3-oxoindene-1-carboxylic acid. Alternative names: Atovaquone - Impurity A.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Atovaquone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are 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

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

Industries

Related to Atovaquone

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

Atovaquone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Atovaquone EP Impurity A
Catalogue No.	VQ-034789
CAS Number	2517583-91-2
IUPAC name	2-[4-(4-chlorophenyl)cyclohexyl]-3-oxoindene-1-carboxylic acid
Molecular formula	C₂₂H₁₉ClO₃
Molecular weight	366.8 g/mol
Exact mass	366.1023
Grade	Reference Standard
HSN code	38229090
InChIKey	NCSCXXWXNIUIAH-UHFFFAOYSA-N
SMILES	C1CC(CCC1C2=CC=C(C=C2)Cl)C3=C(C4=CC=CC=C4C3=O)C(=O)O
PubChem CID	125315979

Physical properties
Physical form	Solid
LogP (XLogP3)	5.6
H-bond donors / acceptors	1 / 3
TPSA	54.4 Å²

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 Atovaquone EP Impurity A?

The CAS Registry Number of Atovaquone EP Impurity A is 2517583-91-2. It is also known as Atovaquone - Impurity A, 2-((1r,4r)-4-(4-Chlorophenyl)cyclohexyl)-1-oxo-1H-indene-3-carboxylic Acid.

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

Atovaquone EP Impurity A has the molecular formula C22H19ClO3 and a molecular weight of 366.8 g/mol. Its IUPAC name is 2-[4-(4-chlorophenyl)cyclohexyl]-3-oxoindene-1-carboxylic acid.

What is Atovaquone EP Impurity A used for?

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

We supply Atovaquone 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 Atovaquone EP Impurity A?

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

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