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Pyrroles, Pyrrolidines & Pyrazoles

Oxyphenbutazone

Available on request

Oxyphenbutazone (CAS 129-20-4) supplier Zemixal: C19H20N2O3, COA and SDS with every lot, worldwide shipping. Packs from 25 g.

Pack sizes
Oxyphenbutazone chemical structure
CAS number129-20-4
FormulaC19H20N2O3
Molar mass324.4 g/mol
HS code2933
InChIKeyHFHZKZSRXITVMK-UHFFFAOYSA-N
IUPAC name4-butyl-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione

About Oxyphenbutazone

Zemixal supplies Oxyphenbutazone within its pharma Intermediates & Building Blocks portfolio. Key data: CAS 129-20-4, formula C19H20N2O3 and molar mass 324.4 g/mol.

Where it is used

  • Organic synthesis
  • API synthesis

Storage and safety notes

Hazard communication follows GHS (Warning: H302 and H400). Our SDS lists exposure controls and first-aid measures.

Available as 25 g, 100 g and 500 g. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Oxyphenbutazone
Product nameOxyphenbutazone
Catalogue numberZX-018582
CAS number129-20-4
IUPAC name4-butyl-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione
Molecular formulaC19H20N2O3
Molar mass324.4 g/mol
Exact mass324.1474
XLogP32.7
H-bond donors / acceptors1 / 3
Topological polar surface area60.9 Ų
HS code2933
InChIKeyHFHZKZSRXITVMK-UHFFFAOYSA-N
SMILESCCCCC1C(=O)N(N(C1=O)C2=CC=C(C=C2)O)C3=CC=CC=C3
PubChem CID4641
SynonymsOxyphenylbutazone, Neo-Farmadol, Oxazolidin, Oxiphenbutazone, Butapirone, Oxyphenobutazone, p-Oxyphenylbutazone, Oxi-Fenibutol, Butilene, Deflogin, Floghene, Flogistin

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
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H302Harmful if swallowed
  • H400Very toxic to aquatic life

Precautionary statements P264, P270, P273, P301 + P317, P330, 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 Oxyphenbutazone
25 gQuoted on request
100 gQuoted on request
500 gQuoted on request

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

Questions about Oxyphenbutazone

Which CAS number identifies Oxyphenbutazone?
Oxyphenbutazone is registered under CAS 129-20-4. You may also see it listed as Oxyphenylbutazone, Neo-Farmadol, Oxazolidin. Our catalogue number for this item is ZX-018582.
What are the formula and molar mass of Oxyphenbutazone?
For Oxyphenbutazone, its formula is C19H20N2O3 and its molar mass is 324.4 g/mol. The systematic (IUPAC) name is 4-butyl-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione. InChIKey HFHZKZSRXITVMK-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Oxyphenbutazone?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 25 g, 100 g, 500 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Oxyphenbutazone?
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 Oxyphenbutazone to my country?
Yes. Because Oxyphenbutazone 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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