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Analgesic & Anti-inflammatory APIs

Naproxen Sodium

IP/BP/USPAvailable on request

Order Naproxen Sodium (CAS 26159-34-2) online at Zemixal. Request a quote with price, lead time and documents. Packs from 1 kg.

Pack sizes
Naproxen Sodium chemical structure
CAS number26159-34-2
FormulaC14H13NaO3
Molar mass252.24 g/mol
Physical formPowder
InChIKeyCDBRNDSHEYLDJV-FVGYRXGTSA-M
IUPAC namesodium (2S)-2-(6-methoxynaphthalen-2-yl)propanoate

About Naproxen Sodium

Naproxen Sodium sits in our analgesic & Anti-inflammatory APIs section and ships worldwide from stock or short lead time. Key data (IP/BP/USP): CAS 26159-34-2, formula C14H13NaO3 and molar mass 252.24 g/mol. Typical appearance is white to almost white crystalline powder.

Typical applications

  • Pharmaceutical formulation
  • Generic drug development

Storage and safety notes

Hazard communication follows GHS (Danger: H302, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Available as 1 kg, 5 kg and 25 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Naproxen

See every impurity, metabolite and related compound we list for this API.

Naproxen standards

Typical uses

  • Pharmaceutical formulation
  • Generic drug development

Applications

Grade guides

Specifications and identifiers

Specifications of Naproxen Sodium
Product nameNaproxen Sodium
Catalogue numberZX-004009
CAS number26159-34-2
IUPAC namesodium (2S)-2-(6-methoxynaphthalen-2-yl)propanoate
Molecular formulaC14H13NaO3
Molar mass252.24 g/mol
Exact mass252.0762
GradeIP/BP/USP
Physical formPowder
AppearanceWhite to almost white crystalline powder
H-bond donors / acceptors0 / 3
Topological polar surface area49.4 Ų
InChIKeyCDBRNDSHEYLDJV-FVGYRXGTSA-M
SMILESC[C@@H](C1=CC2=C(C=C1)C=C(C=C2)OC)C(=O)[O-].[Na+]
PubChem CID23681059
SynonymsNaproxen sodium salt, Primeral, Naprium, Diocodal, Naproxen sodium anhydrous, Topcare all day pain relief, Belmora Flanax, Aleve Caplets, Aleve Gelcaps, Bayer Aleve, Careall Naproxen, Naproxen Caplets

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H360May damage fertility or the unborn child

Precautionary statements P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Naproxen Sodium
1 kgQuoted on request
5 kgQuoted on request
25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Naproxen Sodium

Which CAS number identifies Naproxen Sodium?
Naproxen Sodium is registered under CAS 26159-34-2. You may also see it listed as Naproxen sodium salt, Primeral, Naprium. Our catalogue number for this item is ZX-004009.
What are the formula and molar mass of Naproxen Sodium?
For Naproxen Sodium, its formula is C14H13NaO3 and its molar mass is 252.24 g/mol. The systematic (IUPAC) name is sodium (2S)-2-(6-methoxynaphthalen-2-yl)propanoate. InChIKey CDBRNDSHEYLDJV-FVGYRXGTSA-M lets you match it in any structure database.
How is Naproxen Sodium used in pharmaceutical QC?
Naproxen Sodium is a characterised reference material linked to Naproxen. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Naproxen Sodium?
This listing is IP/BP/USP grade. Standard packs are 1 kg, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Naproxen Sodium?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Naproxen Sodium to my country?
Yes. Because Naproxen Sodium is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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