07506
(S)-Naproxen ethyl ester
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
Product Name
(S)-Naproxen ethyl ester, pharmaceutical impurity standard
InChI key
URNAYRDBUUZOIU-NSHDSACASA-N
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
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
Quality Level
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Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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