Naproxen EP Impurity J

Name: Naproxen EP Impurity J
Brand: Vaqora Chemicals
SKU: VQ-006520

About Naproxen EP Impurity J

Naproxen EP Impurity J is a pharmacopeial impurity of Naproxen carrying the CAS registry number 21388-17-0. Formula C13H14O, molecular weight 186.25 g/mol. Systematically, it is named 2-ethyl-6-methoxynaphthalene. Common synonyms include 2-Methoxy-6-ethylnapthalene and Ethylnerolin.

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. 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. Our customers for this product work in 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 Naproxen

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

Naproxen impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Naproxen EP Impurity J
Catalogue No.	VQ-006520
CAS Number	21388-17-0
IUPAC name	2-ethyl-6-methoxynaphthalene
Molecular formula	C₁₃H₁₄O
Molecular weight	186.25 g/mol
Exact mass	186.1045
Grade	Reference Standard
HSN code	38229090
InChIKey	HTNFZFBCAOZBRK-UHFFFAOYSA-N
SMILES	CCC1=CC2=C(C=C1)C=C(C=C2)OC
PubChem CID	11789931

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	0 / 1
TPSA	9.2 Å²
Synonyms	2-Methoxy-6-ethylnapthalene, Ethylnerolin, 2-Methoxy-6-ethylnaphthalene, Naphthalene, 2-ethyl-6-methoxy-, Naproxen Impurity J, Naproxen sodium impurity J, 2-Ethyl-6-methoxynaphthalene (Ethylnerolin), 6-ethyl-2-methoxynaphthalene, 2-Ethyl-6-methoxynaphthalene, Naproxen Imp. J (EP), 2-ethyl-6-methoxy-naphthalene, 6-methoxy-2-ethyl-naphthalene

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 J?

The CAS Registry Number of Naproxen EP Impurity J is 21388-17-0. It is also known as 2-Methoxy-6-ethylnapthalene, Ethylnerolin, 2-Methoxy-6-ethylnaphthalene.

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

Naproxen EP Impurity J has the molecular formula C13H14O and a molecular weight of 186.25 g/mol. Its IUPAC name is 2-ethyl-6-methoxynaphthalene.

What is Naproxen EP Impurity J used for?

Naproxen EP Impurity J 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 J can I order?

We supply Naproxen EP Impurity J 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 Naproxen EP Impurity J?

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

Yes. Naproxen EP Impurity J 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.