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80822

(S)-Naproxen methyl ester

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

pharmaceutical impurity standard

Synonym(s):

Naproxen Impurity E (PhEur), (2S)-2-(6-Methoxy-2-naphthyl)propionic acid methyl ester, Methyl (αS)-6-methoxy-α-methyl-2-naphthaleneacetate, Methyl (2S)-2-(6-methoxynaphthalen-2-yl)propanoate

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About This Item

Empirical Formula (Hill Notation):

C₁₅H₁₆O₃

CAS Number:

26159-35-3

Molecular Weight:

244.29

UNSPSC Code:

12352108

NACRES:

NA.24

PubChem Substance ID:

329769059

MDL number:

MFCD12031841

Beilstein/REAXYS Number:

4352971

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Properties

Quality Segment

100

API family

naproxen

assay

≥98.0% (HPLC)

optical activity

[α]/D 72.0 to 84.0°, c = 0.1 in chloroform

shelf life

limited shelf life, expiry date on the label

impurities

≤0.5% water

mp

87 °C

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

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

InChI

1S/C15H16O3/c1-10(15(16)18-3)11-4-5-13-9-14(17-2)7-6-12(13)8-11/h4-10H,1-3H3/t10-/m0/s1

InChI key

ZFYFBPCRUQZGJE-JTQLQIEISA-N

Description

General description

(S)-Naproxen methyl ester is an ester of the non-steroidal, anti-inflammatory drug, (S)-naproxen

pictograms

GHS08,GHS07,GHS09

signalword

Warning

hcodes

H302,H315,H319,H335,H361fd,H411

pcodes

P202 - P273 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P308 + P313

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Repr. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c