Naproxen Impurity O

Name: Naproxen Impurity O
Brand: Vaqora Chemicals
SKU: VQ-005321

About Naproxen Impurity O

Vaqora Chemicals supplies Naproxen Impurity O, an impurity of Naproxen registered under CAS number 2471-70-7. With the molecular formula C12H10O3, it has a molar mass of 202.21 g/mol. Its systematic (IUPAC) name is 6-methoxynaphthalene-2-carboxylic acid. It is also known as 6-Methoxy-2-naphthoic Acid or 6-Methoxy-2-naphthalenecarboxylic acid.

The product is provided 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.

Pharmaceutical QC and development laboratories use this impurity standard of Naproxen to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Naproxen Impurity O in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports 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 Naproxen

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

Naproxen impurities

Specifications & identifiers

Chemical identifiers
Product name	Naproxen Impurity O
Catalogue No.	VQ-005321
CAS Number	2471-70-7
Other CAS	58113-92-1, 674347-32-1
IUPAC name	6-methoxynaphthalene-2-carboxylic acid
Molecular formula	C₁₂H₁₀O₃
Molecular weight	202.21 g/mol
Exact mass	202.063
Grade	Reference Standard
HSN code	38229090
InChIKey	YZBILXXOZFORFE-UHFFFAOYSA-N
SMILES	COC1=CC2=C(C=C1)C=C(C=C2)C(=O)O
PubChem CID	349181

Physical properties
Physical form	Solid
LogP (XLogP3)	3.3
H-bond donors / acceptors	1 / 3
TPSA	46.5 Å²
Synonyms	6-Methoxy-2-naphthoic Acid, 6-Methoxy-2-naphthalenecarboxylic acid, 2-Methoxy-6-naphthalenecarboxylic acid, 6-Methoxynaphthalen-2-carboxylic acid, Naproxen Related Compound A, Naproxen EP Impurity O, 2-Naphthalenecarboxylic acid, 6-methoxy-, Naproxen specified impurity O, 6-Methoxy-naphthalene-2-carboxylic acid, 2-Naphthoic acid, 6-methoxy-, 6-Methoxy-2-naphthalene carboxylic acid, 6-Methoxy-2-naphthoic

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 Naproxen Impurity O?

The CAS Registry Number of Naproxen Impurity O is 2471-70-7. It is also known as 6-Methoxy-2-naphthoic Acid, 6-Methoxy-2-naphthalenecarboxylic acid, 2-Methoxy-6-naphthalenecarboxylic acid.

What is the molecular formula and molecular weight of Naproxen Impurity O?

Naproxen Impurity O has the molecular formula C12H10O3 and a molecular weight of 202.21 g/mol. Its IUPAC name is 6-methoxynaphthalene-2-carboxylic acid.

What is Naproxen Impurity O used for?

Naproxen Impurity O is supplied as a characterised reference material related to Naproxen. 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 Naproxen Impurity O can I order?

We supply Naproxen Impurity O in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Naproxen Impurity O?

Yes. Every lot of Naproxen Impurity O 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 Naproxen Impurity O be shipped internationally?

Yes. Naproxen Impurity O 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.