C14H14O3
230.26 g/mol
APIDanger
(S)-Naproxen
CAS22204-53-1EC244-838-7
Category
API
Compound Class
Organic Acid
Primary Use
Pharmaceutical Raw Material
(S)-Naproxen is the single-enantiomer active pharmaceutical ingredient of the common nonsteroidal anti-inflammatory drug naproxen. Its structure features a carboxylic acid group, an aromatic ring system, and an ether moiety, with a molecular weight of 230.
anti-inflammatory agentanalgesic agentantipyretic agent
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Referencestereoisomer of
2-(6-Methoxy-2-naphthyl)propionic acid
CAS23981-80-8
pharmaceutical raw material
Referencestereoisomer of
Naproxen sodium
CAS26159-34-2
pharmaceutical raw material
Referencestereoisomer of
Rac Naproxen-d3
CAS958293-77-1
pharmaceutical raw material
Safety Reference
Danger
H301Toxic if swallowed
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H361Suspected of damaging fertility or the unborn child
Customs Tariff Classification
The international HS code for (S)-Naproxen (CAS 22204-53-1) is 2918.99.
HS code (international, 6-digit)
2918.99
EU CN code (8-digit)
2918 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(2S)-2-(6-methoxynaphthalen-2-yl)propanoic acid
InChIKey
CMWTZPSULFXXJA-VIFPVBQESA-N
SMILES
C[C@@H](C1=CC2=C(C=C1)C=C(C=C2)OC)C(=O)O
Synonyms (189)
- NPS
- VALROX
- Naproxen (JP18/USP/INN)
- Naproxen, British Pharmacopoeia (BP)
- Naproxen, European Pharmacopoeia (EP)
- Naproxen, United States Pharmacopeia (USP)
- Naproxen, meets USP testing specifications
- Naproxene [INN-French]
- Naproxeno [INN-Spanish]
- Naproxenum [INN-Latin]
- (+)-Naproxen
- (S)-(+)-Naproxene
- (S)-Naproxen
- 4or0
- 4po0
- Acusprain
- Aleve
- Anaprox
- Anax
- Anexopen
- Apo-Napro-NA
- Apo-Naproxen
- Apranax
- Apronax
- Artagen
- Arthrisil
- Arthrosin 250
- Arthrosin 250 ec
- Arthrosin 500
- Arthrosin 500 ec
- Artrixen
- Artroxen
- Atiflan
- Axer
- Bipronyl
- Bonyl
- Calosen
- Clinosyn
- Condrotec
- Congex
- DL Naproxen
- Danaprox
- Daprox
- Duk
- Dysmenalgit
- Dysmenalgit N
- EC-NAPROXEN
- Ec-Naprosyn
- Equiproxen
- Equiproxen (Veterinary)
- Equiproxen 10% Solution
- Equiproxen Granules
- Feminax Ultra
- Flanax Forte
- Flexen
- Flexipen
- Floginax
- Fuxen
- Genoxen
- Grenoxal
- Headlon
- Kenosyn
- Laraflex
- Lefaine
- Leniartil
- Methoxypropiocin
- Mnpa
- NAPROXEN COMPONENT OF PN400
- NAPROXEN [MART.]
- NAPROXEN,HISTIDINE
- Nafasol
- Naixan
- Nalyxan
- Napflam
- Napmel
- Naposin
- Napratec
- Napratec op
- Napren
- Napren E
- Naprius
- Naprolag
- Naprontag
- Naprosine
- Naprosy
- Naprosyn
- Naprosyn (TN)
- Naprosyn 375
- Naprosyn EC
- Naprosyn LLE
- Naprosyn LLE Forte
- Naprosyne
- Naprotin
- Naproxen (Standard)
- Naproxen CRS
- Naproxen Delayed Release
- Naproxen Oral Suspension
- Naproxen oral
- Naproxen, 1mg/ml in Methanol
- Naproxen, Capsaicin
- Naproxen, VETRANAL(TM)
- Naproxene
- Naproxeno
- Naproxenum
- Naproxi 250
- Naproxi 500
- Napxen
- Narma
- Narocin
- Naxen
- Naxen F
- Naxopren
- Naxyn
- Naxyn 250
- Naxyn 500
- Noflam
- Novonaprox
- Numidan
- Nycopren
- PN400 COMPONENT NAPROXEN
- Panoxen
- Patxen
- Prafena
- Pranoxen continus
- Priaxen
- Pronaxen
- Prosaid
- Proxen
- Proxen LE
- Proxen LLE
- Proxine
- Rahsen
- Reuxen
- Rheuflex 250
- Rheuflex 500
- Rheumaflex
- Rimoxyn
- Roxen
- Saritilron
- Sinartrin
- Sinton
- Soproxen
- Stirlescent
- Sutolin
- Sutony
- Timpron
- Timpron 250 ec
- Timpron 500 ec
- Tohexen
- Traumox
- U-Ritis
- VIMOVO COMPONENT NAPROXEN
- Velsay
- Veradol
- Vinsen
- Xenar
- Xenar-CR
- aproxen
- d-Naproxen
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