Oxaprozin

Name: Oxaprozin
Brand: Zemixal
SKU: ZX-031673

Reference StandardAvailable on request

Oxaprozin (CAS 21256-18-8) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our API Reference Standards range.

Pack sizes

CAS number21256-18-8

FormulaC₁₈H₁₅NO₃

Molar mass293.3 g/mol

Physical formSolid

HS code38229090

InChIKeyOFPXSFXSNFPTHF-UHFFFAOYSA-N

IUPAC name3-(4,5-diphenyl-1,3-oxazol-2-yl)propanoic acid

About Oxaprozin

Zemixal lists Oxaprozin for laboratories that identify, quantify or control Oxaprozin and its related substances. For your records (Reference Standard), the material is defined by CAS 21256-18-8, formula C18H15NO3 and molar mass 293.3 g/mol. It is handled as a solid.

Where it is used

Identification & assay
Method development & validation
QC reference material

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H411. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Oxaprozin

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

Oxaprozin standards

Typical uses

Identification & assay
Method development & validation
QC reference material

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Oxaprozin
Product name	Oxaprozin
Catalogue number	ZX-031673
CAS number	21256-18-8
IUPAC name	3-(4,5-diphenyl-1,3-oxazol-2-yl)propanoic acid
Molecular formula	C₁₈H₁₅NO₃
Molar mass	293.3 g/mol
Exact mass	293.1052
Grade	Reference Standard
Physical form	Solid
XLogP3	4.2
H-bond donors / acceptors	1 / 4
Topological polar surface area	63.3 Å²
HS code	38229090
InChIKey	OFPXSFXSNFPTHF-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C2=C(OC(=N2)CCC(=O)O)C3=CC=CC=C3
PubChem CID	4614
Synonyms	3-(4,5-Diphenyloxazol-2-yl)propanoic acid, Oxaprozine, 4,5-Diphenyl-2-oxazolepropanoic acid, 4,5-Diphenyl-2-oxazolepropionic acid, 2-Oxazolepropanoic acid, 4,5-diphenyl-, beta-(4,5-Diphenyloxazol-2-yl)propionic acid, 3-(diphenyl-1,3-oxazol-2-yl)propanoic acid, Apo Oxaprozin, Rhoxal oxaprozin, 3-(4,5-Diphenyl-2-oxazolyl)propenoic acid, .beta.-(4,5-Diphenyloxazol-2-yl)propionic acid

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

Safety and GHS hazards

Irritant or harmful

Hazardous to the environment

Signal word Warning

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects
H413May cause long lasting harmful effects to aquatic life

Precautionary statements P264, P264 + P265, P270, P273, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, 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 Oxaprozin
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

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

Questions about Oxaprozin

Which CAS number identifies Oxaprozin?

Oxaprozin is registered under CAS 21256-18-8. You may also see it listed as 3-(4,5-Diphenyloxazol-2-yl)propanoic acid, Oxaprozine, 4,5-Diphenyl-2-oxazolepropanoic acid. Our catalogue number for this item is ZX-031673.

What are the formula and molar mass of Oxaprozin?

For Oxaprozin, its formula is C18H15NO3 and its molar mass is 293.3 g/mol. The systematic (IUPAC) name is 3-(4,5-diphenyl-1,3-oxazol-2-yl)propanoic acid. InChIKey OFPXSFXSNFPTHF-UHFFFAOYSA-N lets you match it in any structure database.

How is Oxaprozin used in pharmaceutical QC?

Oxaprozin is a characterised reference material linked to Oxaprozin. 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 Oxaprozin?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Oxaprozin?

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 Oxaprozin to my country?

Yes. Because Oxaprozin 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.

More Oxaprozin standards

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