O-Desmethylnaproxen

萘普生杂质A

Also known as: (2S)-2-(6-hydroxynaphthalen-2-yl)propanoic acid, (S)-2-(6-Hydroxy-2-naphthyl)propionic Acid, (S)-6-Demethylnaproxen, (S)-6-O-Desmethylnaproxen, (S)-O-Desmethyl Naproxen, (aS)-6-Hydroxy-a-methyl-2-naphthaleneacetic Acid, (aS)-6-Hydroxy-α-methyl-2-naphthaleneacetic Acid, (s)-6-hydroxy-α-methyl-2-naphthaleneacetic acid, Naproxen Impurity 1 (Naproxen EP Impurity A), Naproxen EP Impurity A

O-Desmethylnaproxen (CAS 52079-10-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H12O3 and a molecular weight of 216.23300 g/mol. It is also known as (2S)-2-(6-hydroxynaphthalen-2-yl)propanoic acid, (S)-2-(6-Hydroxy-2-naphthyl)propionic Acid and (S)-6-Demethylnaproxen. Key properties include a melting point of 182-183ºC, a boiling point of 444.1ºC at 760mmHg and a flash point of 236.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
52079-10-4
Jingsj CID
J-1368383-2
Molecular Formula
C13H12O3
Chinese Name
萘普生杂质A
Molecular Weight
216.23300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point182-183ºC
Boiling Point444.1ºC at 760mmHg
Flash Point236.5ºC

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of O-Desmethylnaproxen?

The CAS number of O-Desmethylnaproxen is 52079-10-4.

What are the molecular formula and molecular weight of O-Desmethylnaproxen?

O-Desmethylnaproxen has molecular formula C13H12O3 and molecular weight 216.23300 g/mol.

Is O-Desmethylnaproxen hazardous?

O-Desmethylnaproxen has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "O-Desmethylnaproxen (CAS 52079-10-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368383-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.