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Merck
CN

UC305

Sigma-Aldrich

O-Desmethylnaproxen

Synonym(s):

(S)-6-Hydroxy-α-methyl-2-naphthaleneacetic acid, d-2-(6-Hydroxy-2-naphthyl)proprionic acid

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About This Item

Empirical Formula (Hill Notation):
C13H12O3
CAS Number:
Molecular Weight:
216.23
Beilstein:
8838512
MDL number:
UNSPSC Code:
12161501
PubChem Substance ID:
NACRES:
NA.77
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form

solid

color

white

mp

182-183 °C

storage temp.

2-8°C

SMILES string

C[C@H](C(O)=O)c1ccc2cc(O)ccc2c1

InChI

1S/C13H12O3/c1-8(13(15)16)9-2-3-11-7-12(14)5-4-10(11)6-9/h2-8,14H,1H3,(H,15,16)/t8-/m0/s1

InChI key

XWJUDDGELKXYNO-QMMMGPOBSA-N

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Application

O-Desmethylnaproxen can be used for assaying naproxen metabolites.

Biochem/physiol Actions

CYP2C9 metabolite of naproxen

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Pictograms

Exclamation markEnvironment

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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T B Vree et al.
British journal of clinical pharmacology, 35(5), 467-472 (1993-05-01)
1. The pharmacokinetics of 500 mg naproxen given orally were described in 10 subjects using a direct h.p.l.c. analysis of the acyl glucuronide conjugates of naproxen and its metabolite O-desmethylnaproxen. 2. The mean elimination half-life of naproxen was 24.7 +/-
C H Kiang et al.
Drug metabolism and disposition: the biological fate of chemicals, 17(1), 43-48 (1989-01-01)
A new metabolite of naproxen, 6-desmethylnaproxen sulfate (6-DMNS), has been identified in plasma from normal and uremic subjects after oral administration of a single 500 mg dose of naproxen. Tentative identification was achieved by the finding of an increase in
J L Shimek et al.
Journal of pharmaceutical sciences, 71(4), 436-439 (1982-04-01)
An isocratic high-pressure liquid chromatographic method for the determination of naproxen and its desmethyl metabolite in human plasma is presented. A reversed-phase octadecylsilane column was utilized with a mobile phase consisting of 55% methanol and 45% 0.10 M acetate buffer
J V Andersen et al.
Journal of chromatography, 577(2), 362-365 (1992-06-10)
A high-performance liquid chromatographic method for the simultaneous determination of both enantiomers of naproxen and its metabolite 6-O-desmethylnaproxen has been developed. The separation is performed on a column containing alpha 1-acid glycoprotein as the chiral selector. The method has been
Da-Fang Zhong et al.
Acta pharmacologica Sinica, 24(5), 442-447 (2003-05-13)
The metabolites of naproxen produced by Cunninghamella species were isolated and identified, and further to compare the similarities between microbial transformation and mammalian metabolism. Naproxen was transformed by three strains of Cunninghammella species (Cunninghamella blakeslesna AS 3.153, Cunninghamella echinulata AS

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