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07506

(S)-Naproxen ethyl ester

Name: (<I>S</I>)-Naproxen ethyl ester
Brand: SIAL

pharmaceutical impurity standard

Synonym(s):

Naproxen impurity F (PhEur), (2S)-2-(6-Methoxy-2-naphthyl)propionic acid ethyl ester, Ethyl (αS)-6-methoxy-α-methyl-2-naphthaleneacetate, Ethyl (2S)-2-(6-methoxy-2-naphthyl)propionate

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About This Item

Empirical Formula (Hill Notation):

C₁₆H₁₈O₃

CAS Number:

31220-35-6

Molecular Weight:

258.31

NACRES:

NA.24

PubChem Substance ID:

329748459

UNSPSC Code:

12352200

MDL number:

MFCD12031842

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Properties

Quality Level

100

API family

naproxen

assay

≥98.0% (HPLC)

optical activity

[α]/D 48±4°, c = 0.1 in chloroform

shelf life

limited shelf life, expiry date on the label

impurities

≤0.5% water

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

C[C@H](C(OCC)=O)C1=CC2=CC=C(OC)C=C2C=C1

InChI

1S/C16H18O3/c1-4-19-16(17)11(2)12-5-6-14-10-15(18-3)8-7-13(14)9-12/h5-11H,4H2,1-3H3/t11-/m0/s1

InChI key

URNAYRDBUUZOIU-NSHDSACASA-N

Description

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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