Oxyphenbutazone

Name: Oxyphenbutazone
Brand: Vaqora Chemicals
SKU: VQ-019524

About Oxyphenbutazone

Vaqora Chemicals supplies Oxyphenbutazone, a five-membered N-heterocycle registered under CAS number 129-20-4. With the molecular formula C19H20N2O3, it has a molar mass of 324.4 g/mol. Its systematic (IUPAC) name is 4-butyl-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione. It is also known as Oxyphenylbutazone or Neo-Farmadol.

Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 25 g, 100 g and 500 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Oxyphenbutazone
Catalogue No.	VQ-019524
CAS Number	129-20-4
IUPAC name	4-butyl-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione
Molecular formula	C₁₉H₂₀N₂O₃
Molecular weight	324.4 g/mol
Exact mass	324.1474
HSN code	2933
InChIKey	HFHZKZSRXITVMK-UHFFFAOYSA-N
SMILES	CCCCC1C(=O)N(N(C1=O)C2=CC=C(C=C2)O)C3=CC=CC=C3
PubChem CID	4641

Physical properties
Physical form	Other
LogP (XLogP3)	2.7
H-bond donors / acceptors	1 / 3
TPSA	60.9 Å²
Synonyms	Oxyphenylbutazone, Neo-Farmadol, Oxazolidin, Oxiphenbutazone, Butapirone, Oxyphenobutazone, p-Oxyphenylbutazone, Oxi-Fenibutol, Butilene, Deflogin, Floghene, Flogistin

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H400Very toxic to aquatic life

Precautionary statements: P264, P270, P273, P301 + P317, P330, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Oxyphenbutazone?

The CAS Registry Number of Oxyphenbutazone is 129-20-4. It is also known as Oxyphenylbutazone, Neo-Farmadol, Oxazolidin.

What is the molecular formula and molecular weight of Oxyphenbutazone?

Oxyphenbutazone has the molecular formula C19H20N2O3 and a molecular weight of 324.4 g/mol. Its IUPAC name is 4-butyl-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione.

Which grade and pack sizes of Oxyphenbutazone can I order?

We supply Oxyphenbutazone, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Oxyphenbutazone?

Yes. Every lot of Oxyphenbutazone is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Oxyphenbutazone be shipped internationally?

Yes. Oxyphenbutazone is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.