Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
Bulk CASAccount
API Impurities

Naproxen Impurity L

Reference StandardIn stock

Buy Naproxen Impurity L (CAS 3900-45-6) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-004979.

Pack sizes
Naproxen Impurity L chemical structure
CAS number3900-45-6
FormulaC13H12O2
Molar mass200.23 g/mol
Physical formSolid
HS code38229090
InChIKeyGGWCZBGAIGGTDA-UHFFFAOYSA-N
IUPAC name1-(6-methoxynaphthalen-2-yl)ethanone

About Naproxen Impurity L

Naproxen Impurity L is supplied by Zemixal as a characterised reference material for Naproxen analysis. Key data (Reference Standard): CAS 3900-45-6, formula C13H12O2 and molar mass 200.23 g/mol. It is handled as a solid.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Hazard communication follows GHS (Warning: H315 and H335). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Naproxen

See every impurity, metabolite and related compound we list for this API.

Naproxen standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Naproxen Impurity L
Product nameNaproxen Impurity L
Catalogue numberZX-004979
CAS number3900-45-6
IUPAC name1-(6-methoxynaphthalen-2-yl)ethanone
Molecular formulaC13H12O2
Molar mass200.23 g/mol
Exact mass200.0837
GradeReference Standard
Physical formSolid
XLogP33.2
H-bond donors / acceptors0 / 2
Topological polar surface area26.3 Ų
HS code38229090
InChIKeyGGWCZBGAIGGTDA-UHFFFAOYSA-N
SMILESCC(=O)C1=CC2=C(C=C1)C=C(C=C2)OC
PubChem CID77506
Synonyms1-(6-methoxynaphthalen-2-yl)ethan-1-one, 2-Acetyl-6-methoxynaphthalene, 1-(6-Methoxy-2-naphthalenyl)ethanone, 6-Acetyl-2-methoxynaphthalene, 6-Methoxy-2-acetylnaphthalene, 6-Methoxy-2-naphthyl Methyl Ketone, Naproxen USP Related Compound L, Nabumetone Impurity, 6'-Methoxy-2'-acetonaphthone, Ethanone, 1-(6-methoxy-2-naphthalenyl)-, Naproxen EP Impurity L, 1-(6-Methoxy-2-naphthyl)ethanone

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P271, P280, P302 + P352, P304 + P340, P319, P321, P332 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Naproxen Impurity L
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Naproxen Impurity L

Which CAS number identifies Naproxen Impurity L?
Naproxen Impurity L is registered under CAS 3900-45-6. You may also see it listed as 1-(6-methoxynaphthalen-2-yl)ethan-1-one, 2-Acetyl-6-methoxynaphthalene, 1-(6-Methoxy-2-naphthalenyl)ethanone. Our catalogue number for this item is ZX-004979.
What are the formula and molar mass of Naproxen Impurity L?
For Naproxen Impurity L, its formula is C13H12O2 and its molar mass is 200.23 g/mol. The systematic (IUPAC) name is 1-(6-methoxynaphthalen-2-yl)ethanone. InChIKey GGWCZBGAIGGTDA-UHFFFAOYSA-N lets you match it in any structure database.
How is Naproxen Impurity L used in pharmaceutical QC?
Naproxen Impurity L is a characterised reference material linked to Naproxen. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Naproxen Impurity L?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Naproxen Impurity L?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Naproxen Impurity L to my country?
Yes. Because Naproxen Impurity L is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Naproxen standards

More in API Impurities

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Compare 0 of 4Compare now