Atovaquone EP Impurity D

Name: Atovaquone EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-021676

About Atovaquone EP Impurity D

Listed under CAS 129700-41-0, Atovaquone EP Impurity D is a pharmacopeial impurity of Atovaquone available from Vaqora Chemicals. The compound has the formula C23H21ClO3, corresponding to a molecular weight of 380.9 g/mol. Its systematic (IUPAC) name is 2-[4-(4-chlorophenyl)cyclohexyl]-3-methoxynaphthalene-1,4-dione. Common synonyms include O-Methyl Atovaquone and Atovaquone - Impurity D.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Atovaquone EP Impurity D in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports 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 D
Catalogue No.	VQ-021676
CAS Number	129700-41-0
IUPAC name	2-[4-(4-chlorophenyl)cyclohexyl]-3-methoxynaphthalene-1,4-dione
Molecular formula	C₂₃H₂₁ClO₃
Molecular weight	380.9 g/mol
Exact mass	380.1179
Grade	Reference Standard
HSN code	38229090
InChIKey	LHZIOFDLSVYSFT-UHFFFAOYSA-N
SMILES	COC1=C(C(=O)C2=CC=CC=C2C1=O)C3CCC(CC3)C4=CC=C(C=C4)Cl
PubChem CID	19373434

Physical properties
Physical form	Solid
LogP (XLogP3)	6
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
Synonyms	O-Methyl Atovaquone, Atovaquone - Impurity D, 2-(trans-4-(4-Chlorophenyl)cyclohexyl)-3-methoxy-1,4-naphthalenedione, trans-2-(4-(4-Chlorophenyl)cyclohexyl)-3-methoxy-1,4-naphthoquinone, 1,4-Naphthalenedione, 2-(4-(4-chlorophenyl)cyclohexyl)-3-methoxy-, trans-, 2-((1r,4r)-4-(4-chlorophenyl)cyclohexyl)-3-methoxynaphthalene-1,4-dione, Rel-2-((1r,4r)-4-(4-chlorophenyl)cyclohexyl)-3-methoxynaphthalene-1,4-dione

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 EP Impurity D?

The CAS Registry Number of Atovaquone EP Impurity D is 129700-41-0. It is also known as O-Methyl Atovaquone, Atovaquone - Impurity D, 2-(trans-4-(4-Chlorophenyl)cyclohexyl)-3-methoxy-1,4-naphthalenedione.

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

Atovaquone EP Impurity D has the molecular formula C23H21ClO3 and a molecular weight of 380.9 g/mol. Its IUPAC name is 2-[4-(4-chlorophenyl)cyclohexyl]-3-methoxynaphthalene-1,4-dione.

What is Atovaquone EP Impurity D used for?

Atovaquone EP Impurity D 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 D can I order?

We supply Atovaquone EP Impurity D 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 D?

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

Yes. Atovaquone EP Impurity D 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.