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Bioactive Small MoleculesAvailable on request

Phenylbutazone, 97%

Synonyms: 4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione · Butapirazol · Butazolidin · Flexazone

CAS No.50-33-9
FormulaC19H20N2O2
Mol. weight308.40
Catalogue No.VQ-002933
Purity97%
HSN29420090

Phenylbutazone (CAS 50-33-9) – bioactive small molecule, 97%. C19H20N2O2, MW 308.4. Buy from Vaqora Chemicals with COA and worldwide shipping.

Pack sizesPrice on quotation · bulk available
10 g
25 g
100 g
1 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Phenylbutazone, 97%

Vaqora Chemicals supplies Phenylbutazone, a bioactive small molecule registered under CAS number 50-33-9, specified at 97% purity. The compound has the formula C19H20N2O2, corresponding to a molecular weight of 308.4 g/mol. The IUPAC name is 4-butyl-1,2-diphenylpyrazolidine-3,5-dione. It is also known as 4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione or Butapirazol.

The product is provided as a solid. Reported physical data include a melting point of 106-108 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span cell signalling research, pharmacological screening and target validation. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies Phenylbutazone in 10 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

  • Cell signalling research
  • Pharmacological screening
  • Target validation

Industries

Specifications & identifiers

Chemical identifiers
Product namePhenylbutazone, 97%
Catalogue No.VQ-002933
CAS Number50-33-9
IUPAC name4-butyl-1,2-diphenylpyrazolidine-3,5-dione
Molecular formulaC19H20N2O2
Molecular weight308.4 g/mol
Exact mass308.1525
Purity / assay97%
HSN code29420090
InChIKeyVYMDGNCVAMGZFE-UHFFFAOYSA-N
SMILESCCCCC1C(=O)N(N(C1=O)C2=CC=CC=C2)C3=CC=CC=C3
PubChem CID4781
Physical properties
Physical formSolid
AppearanceSolid
Melting point106-108 °C
LogP (XLogP3)3.2
H-bond donors / acceptors0 / 2
TPSA40.6 Ų
UN numberUN 2811
Synonyms4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione, Butapirazol, Butazolidin, Flexazone, Butazolidine, Ecobutazone, Intrabutazone, Artrizin, Diphebuzol, Fenibutol, Intrazone, Phebuzine

Safety & hazard information (GHS)

GHS06 Toxic
Toxic
GHS07 Harmful / irritant
Harmful / irritant
GHS08 Health hazard
Health hazard

Signal word: Danger

Hazard statements

  • H301Toxic if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H335May cause respiratory irritation
  • H351Suspected of causing cancer
  • H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P233, P260, P261, P264, P264 + P265, P270, P271, P272, P280, P284, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P318, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P342 + P316

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

Documents

Frequently asked questions

What is the CAS number of Phenylbutazone, 97%?

The CAS Registry Number of Phenylbutazone, 97% is 50-33-9. It is also known as 4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione, Butapirazol, Butazolidin.

What is the molecular formula and molecular weight of Phenylbutazone, 97%?

Phenylbutazone, 97% has the molecular formula C19H20N2O2 and a molecular weight of 308.4 g/mol. Its IUPAC name is 4-butyl-1,2-diphenylpyrazolidine-3,5-dione.

Which grade and pack sizes of Phenylbutazone, 97% can I order?

We supply Phenylbutazone, 97% in (97%) grade, in 10 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phenylbutazone, 97%?

Yes. Every lot of Phenylbutazone, 97% 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 Phenylbutazone, 97% be shipped internationally?

Yes. Phenylbutazone, 97% is classified as hazardous (UN 2811), 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.

Enquire about Phenylbutazone, 97%

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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