Atovaquone

Name: Atovaquone
Brand: Vaqora Chemicals
SKU: VQ-028812

About Atovaquone

Listed under CAS 95233-18-4, Atovaquone is a high-purity reference standard of Atovaquone available from Vaqora Chemicals. The compound has the formula C22H19ClO3, corresponding to a molecular weight of 366.8 g/mol. Its systematic (IUPAC) name is 3-[4-(4-chlorophenyl)cyclohexyl]-4-hydroxynaphthalene-1,2-dione. Common synonyms include Wellvone and cis-Atovaquone.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a reference sample of Atovaquone, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Atovaquone in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Atovaquone

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

Atovaquone impurities

Specifications & identifiers

Chemical identifiers
Product name	Atovaquone
Catalogue No.	VQ-028812
CAS Number	95233-18-4
IUPAC name	3-[4-(4-chlorophenyl)cyclohexyl]-4-hydroxynaphthalene-1,2-dione
Molecular formula	C₂₂H₁₉ClO₃
Molecular weight	366.8 g/mol
Exact mass	366.1023
Grade	Reference Standard
HSN code	38229090
InChIKey	BSJMWHQBCZFXBR-UHFFFAOYSA-N
SMILES	C1CC(CCC1C2=CC=C(C=C2)Cl)C3=C(C4=CC=CC=C4C(=O)C3=O)O
PubChem CID	74989

Physical properties
Physical form	Solid
LogP (XLogP3)	5.2
H-bond donors / acceptors	1 / 3
TPSA	54.4 Å²
Synonyms	3-(4-(4-chlorophenyl)cyclohexyl)-4-hydroxynaphthalene-1,2-dione, Wellvone, cis-Atovaquone, Atavaquone, Mepron (antipneumocystic), BW 566C, 2-(trans-4-(p-Chlorophenyl)cyclohexyl)-3-hydroxy-1,4-naphthoquinone, 2-[trans-4-(4-chlorophenyl)cyclohexyl]-3-hydroxy-1,4-naphthoquinone, 2-((1r,4r)-4-(4-chlorophenyl)cyclohexyl)-3-hydroxynaphthalene-1,4-dione, 2-(4-(4-Chlorophenyl)cyclohexyl)-3-hydroxynaphthalene-1,4-dione, 2-[4-(4-chlorophenyl)cyclohexyl]-3-hydroxy-1,4-dihydronaphthalene-1,4-dione, 2-(4-(4-Chlorophenyl)cyclohexyl)-3-hydroxy-1,4-naphthoquinone

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 Atovaquone?

The CAS Registry Number of Atovaquone is 95233-18-4. It is also known as 3-(4-(4-chlorophenyl)cyclohexyl)-4-hydroxynaphthalene-1,2-dione, Wellvone, cis-Atovaquone.

What is the molecular formula and molecular weight of Atovaquone?

Atovaquone has the molecular formula C22H19ClO3 and a molecular weight of 366.8 g/mol. Its IUPAC name is 3-[4-(4-chlorophenyl)cyclohexyl]-4-hydroxynaphthalene-1,2-dione.

What is Atovaquone used for?

Atovaquone 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 can I order?

We supply Atovaquone 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?

Yes. Every lot of Atovaquone 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 be shipped internationally?

Yes. Atovaquone 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.