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82170

(R)-Naproxen

Name: (<I>R</I>)-Naproxen
Brand: SIAL

pharmaceutical impurity standard

Synonym(s):

(R)-(−)-6-Methoxy-α-methyl-2-naphthaleneacetic acid, Naproxen Impurity G, (2R)-2-(6-Methoxy-2-naphthyl)propionic acid, (2R)-2-(6-Methoxynaphthalen-2-yl)propanoic acid, (R)-Naproxen

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About This Item

Linear Formula:

CH₃OC₁₀H₆CH(CH₃)CO₂H

CAS Number:

23979-41-1

Molecular Weight:

230.26

NACRES:

NA.24

PubChem Substance ID:

329769238

UNSPSC Code:

41116107

EC Number:

245-966-6

MDL number:

MFCD00870716

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Properties

Quality Segment

100

API family

naproxen

assay

≥98.0% (HPLC)

optical activity

[α]/D -71±4°, c = 0.1 in chloroform

shelf life

limited shelf life, expiry date on the label

impurities

≤0.5% water

mp

156-158 °C (lit.)

application(s)

pharmaceutical
pharmaceutical (small molecule)
pharmaceutical

format

neat

storage temp.

2-8°C

SMILES string

COc1ccc2cc(ccc2c1)[C@@H](C)C(O)=O

InChI

1S/C14H14O3/c1-9(14(15)16)10-3-4-12-8-13(17-2)6-5-11(12)7-10/h3-9H,1-2H3,(H,15,16)/t9-/m1/s1

InChI key

CMWTZPSULFXXJA-SECBINFHSA-N

Description

Pictograms

GHS07

Signal Word

Warning

Hazard Codes

H302

Precautionary Statements

P301 + P312 + P330

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)