Naproxen EP Impurity K

Name: Naproxen EP Impurity K
Brand: Vaqora Chemicals
SKU: VQ-006521

About Naproxen EP Impurity K

Naproxen EP Impurity K (CAS 77301-42-9) is a pharmacopeial impurity of Naproxen offered by Vaqora Chemicals. Formula C13H14O2, molecular weight 202.25 g/mol. Its systematic (IUPAC) name is 1-(6-methoxynaphthalen-2-yl)ethanol. It is also known as 1-(6-Methoxy-2-naphthyl)ethanol or (1RS)-1-(6-Methoxy-2-naphthyl)ethanol.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Naproxen impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Naproxen EP Impurity K in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. Stock is available for quick dispatch.

Typical applications

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

Industries

Related to Naproxen

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

Naproxen impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Naproxen EP Impurity K
Catalogue No.	VQ-006521
CAS Number	77301-42-9
IUPAC name	1-(6-methoxynaphthalen-2-yl)ethanol
Molecular formula	C₁₃H₁₄O₂
Molecular weight	202.25 g/mol
Exact mass	202.0994
Grade	Reference Standard
HSN code	38229090
InChIKey	OUVJWFRUESFCCY-UHFFFAOYSA-N
SMILES	CC(C1=CC2=C(C=C1)C=C(C=C2)OC)O
PubChem CID	575523

Physical properties
Physical form	Solid
LogP (XLogP3)	2.8
H-bond donors / acceptors	1 / 2
TPSA	29.5 Å²
Synonyms	1-(6-Methoxy-2-naphthyl)ethanol, (1RS)-1-(6-Methoxy-2-naphthyl)ethanol, 1-[6-Methoxy-2-naphthyl]hydroxyethane, 6-Methoxy-alpha-methyl-2-naphthalenemethanol, (±)-1-(6-Methoxynaphthyl)ethanol, 1-(6-Methoxynaphthalen-2-yl)ethan-1-ol, 1-(6'-Methoxy-2-naphthyl)ethanol, 2-(1-Hydroxyethyl)-6-methoxynaphthalene, alpha-(6-Methoxy-2-naphthyl)ethanol, (1RS)-1-(6-Methoxy-2-naphthyl)ethanol (Naproxen Impurity K), (+/-)-1-(6-Methoxynaphthyl)ethanol, 1-(6-Methoxynaphthalen-2-yl)ethanol, (+/-)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302+H312+H332Harmful if swallowed, in contact with skin or if inhaled
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P261, P264, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, 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 EP Impurity K?

The CAS Registry Number of Naproxen EP Impurity K is 77301-42-9. It is also known as 1-(6-Methoxy-2-naphthyl)ethanol, (1RS)-1-(6-Methoxy-2-naphthyl)ethanol, 1-[6-Methoxy-2-naphthyl]hydroxyethane.

What is the molecular formula and molecular weight of Naproxen EP Impurity K?

Naproxen EP Impurity K has the molecular formula C13H14O2 and a molecular weight of 202.25 g/mol. Its IUPAC name is 1-(6-methoxynaphthalen-2-yl)ethanol.

What is Naproxen EP Impurity K used for?

Naproxen EP Impurity K 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 EP Impurity K can I order?

We supply Naproxen EP Impurity K 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 EP Impurity K?

Yes. Every lot of Naproxen EP Impurity K 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 EP Impurity K be shipped internationally?

Yes. Naproxen EP Impurity K 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.