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  J10445    
Naproxen sodium
, >99% (HPLC), powder
 
Aleve
Anaprox
(S)-6-Methoxy-alpha-methyl-2-naphthaleneacetic acid sodium salt




IDENTITY
CAS Number:26159-34-2
MDL Number:MFCD00058507
MF:C14H13NaO3
MW:252.24
EINECS:247-486-2
SPECIFICATIONS & PROPERTIES
Min. Purity Spec:>99% (HPLC), powder
Physical Form (at 20°C):Solid
Melting Point:259-262°C
Optical Rotation:-11±0.5° (c=1, MeOH)
Long-Term Storage:Store long-term in a cool, dry place
DOT/IATA TRANSPORT INFORMATION
Not hazardous material

BIOLOGICAL INFO
Solubility:Water 76 mg/mL
Application(s):COX inhibitor for COX-1 and COX-2
Form:Sodium salt

REVIEW

 The mechanism of action of naproxen, like that of other NSAIDs, is believed to be associated with the inhibition of cyclooxygenase activity. Two unique cyclooxygenases have been described in mammals. The constitutive cyclooxygenase, COX-1, synthesizes prostaglandins necessary for normal gastrointestinal and renal function. The inducible cyclooxygenase, COX-2, generates prostaglandins involved in inflammation. Inhibition of COX-1 is thought to be associated with gastrointestinal and renal toxicity while inhibition of COX-2 provides anti-inflammatory activity.

REFERENCES
[1]Peter J. Harrington and Eric Lodewijk (1997). Twenty Years of Naproxen Technology. Org. Process Res. Dev. 1 (1): 72-76.
[2] Warner-Schmidt JL; Vanover KE; Chen EY; Marshall JJ; Greengard P (2011). Antidepressant effects of selective serotonin reuptake inhibitors (SSRIs) are attenuated by antiinflammatory drugs in mice and humans. Proc. Natl. Acad. Sci. U.S.A. 108 (22): 9262-7. PMID 21518864.
[3] Kearney PM, Baigent C, Godwin J, Halls H, Emberson JR, Patrono C: Do selective cyclo-oxygenase-2 inhibitors and traditional non-steroidal anti-inflammatory drugs increase the risk of atherothrombosis? Meta-analysis of randomised trials. BMJ. 2006 Jun 3;332(7553):1302-8.
[4] Zhang J, Ding EL, Song Y: Adverse effects of cyclooxygenase 2 inhibitors on renal and arrhythmia events: meta-analysis of randomized trials. JAMA. 2006 Oct 4;296(13):1619-32. Epub 2006 Sep 12.

GLOBALLY HARMONIZED SYSTEM (GHS)

Pictograms

Signal Word
Danger

Hazard Statements
H302; H360

Precautionary Statements
P201; P202; P264; P270; P281; P301+P312; P308+P313; P330; P405; P501


Current as of January 8, 2025


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All products are stocked and shipped from the SF Bay, California, USA via FedEx, UPS or DHL.
All batches backed with full quality assurance.
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All products are for research and development use only, not for any other uses, and must be handled by technically-qualified persons.

These products are explicitly not intended to be used in foods and/or cosmetics and/or drugs (human and veterinary) and/or consumer products and/or biocides and/or pesticides of any kind unless explicitly stated otherwise.

Products are not sold to individuals. We do not ship to residential addresses. Consumer orders will be cancelled without notice.

New customers undergo an internal onboarding process. As part of this process, new customers may be asked for more information. Additional restrictions may apply.



CATEGORIES

 APIs and Bioactives > NSAIDs


PubChem
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