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Pharmacopeial Impurities (EP / USP / BP)

Phenylbutazone EP Impurity A

Reference StandardAvailable on request

Phenylbutazone EP Impurity A (CAS 3583-64-0) supplier Zemixal: C19H22N2O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
Phenylbutazone EP Impurity A chemical structure
CAS number3583-64-0
FormulaC19H22N2O3
Molar mass326.4 g/mol
Physical formSolid
HS code38229090
InChIKeyFLWFHHFTIRLFPV-UHFFFAOYSA-N
IUPAC name2-[anilino(phenyl)carbamoyl]hexanoic acid

About Phenylbutazone EP Impurity A

Analytical teams working on Phenylbutazone use Phenylbutazone EP Impurity A as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 3583-64-0, formula C19H22N2O3 and molar mass 326.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Safe handling

Classified under GHS with signal word Warning and hazard statements H302. 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. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Phenylbutazone

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

Phenylbutazone standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Phenylbutazone EP Impurity A
Product namePhenylbutazone EP Impurity A
Catalogue numberZX-026380
CAS number3583-64-0
IUPAC name2-[anilino(phenyl)carbamoyl]hexanoic acid
Molecular formulaC19H22N2O3
Molar mass326.4 g/mol
Exact mass326.163
GradeReference Standard
Physical formSolid
XLogP34.9
H-bond donors / acceptors2 / 4
Topological polar surface area69.6 Ų
HS code38229090
InChIKeyFLWFHHFTIRLFPV-UHFFFAOYSA-N
SMILESCCCCC(C(=O)N(C1=CC=CC=C1)NC2=CC=CC=C2)C(=O)O
PubChem CID19161
SynonymsBumadizone, Phenylbutazone - Impurity A, Butylmalonic acid mono(1,2-diphenylhydrazide), n-Butylmalonic acid N,N'-diphenylhydrazide, 2-(N,N'-diphenylhydrazinecarbonyl)hexanoic acid, butylmalonic acid mono-(1,2-diphenylhydrazide), 2-(1,2-Diphenylhydrazinecarbonyl)hexanoic acid, 2-[(1,2-diphenylhydrazino)carbonyl]hexanoic acid, bumazidone, 2-(2,3-Diphenylcarbazoyl)hexansaeure, (2RS)-2-[(1,2-Diphenyldiazanyl)carbonyl]hexanoic Acid, r heumatol

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

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, 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 Phenylbutazone EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Phenylbutazone EP Impurity A

Which CAS number identifies Phenylbutazone EP Impurity A?
Phenylbutazone EP Impurity A is registered under CAS 3583-64-0. You may also see it listed as Bumadizone, Phenylbutazone - Impurity A, Butylmalonic acid mono(1,2-diphenylhydrazide). Our catalogue number for this item is ZX-026380.
What are the formula and molar mass of Phenylbutazone EP Impurity A?
For Phenylbutazone EP Impurity A, its formula is C19H22N2O3 and its molar mass is 326.4 g/mol. The systematic (IUPAC) name is 2-[anilino(phenyl)carbamoyl]hexanoic acid. InChIKey FLWFHHFTIRLFPV-UHFFFAOYSA-N lets you match it in any structure database.
How is Phenylbutazone EP Impurity A used in pharmaceutical QC?
Phenylbutazone EP Impurity A is a characterised reference material linked to Phenylbutazone. 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 Phenylbutazone EP Impurity A?
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 Phenylbutazone EP Impurity A?
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 Phenylbutazone EP Impurity A to my country?
Yes. Because Phenylbutazone EP Impurity A 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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