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Pharmacopeial Impurities (EP / USP / BP)

Probenecid EP Impurity B

Reference StandardAvailable on request

Probenecid EP Impurity B (CAS 723-42-2) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-026539.

Pack sizes
Probenecid EP Impurity B chemical structure
CAS number723-42-2
FormulaC13H21NO2S
Molar mass255.38 g/mol
Physical formSolid
HS code38229090
InChIKeyAUUADVNHIYKUBA-UHFFFAOYSA-N
IUPAC name4-methyl-N,N-dipropylbenzenesulfonamide

About Probenecid EP Impurity B

Probenecid EP Impurity B belongs to the Probenecid reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 723-42-2, formula C13H21NO2S and molar mass 255.38 g/mol. It is handled as a solid.

Where it is used

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 Probenecid

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

Probenecid standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Probenecid EP Impurity B
Product nameProbenecid EP Impurity B
Catalogue numberZX-026539
CAS number723-42-2
IUPAC name4-methyl-N,N-dipropylbenzenesulfonamide
Molecular formulaC13H21NO2S
Molar mass255.38 g/mol
Exact mass255.1293
GradeReference Standard
Physical formSolid
XLogP34
H-bond donors / acceptors0 / 3
Topological polar surface area45.8 Ų
HS code38229090
InChIKeyAUUADVNHIYKUBA-UHFFFAOYSA-N
SMILESCCCN(CCC)S(=O)(=O)C1=CC=C(C=C1)C
PubChem CID208847
SynonymsProbenecid - Impurity B, Ditolamide, N,N-Dipropyl-p-toluenesulfonamide, p-Toluenesulfonamide, N,N-dipropyl-, Benzenesulfonamide, 4-methyl-N,N-dipropyl-, N,N-Dipropyl-p-toluene-sulfonamide, 4-Methyl-N,N-dipropyl-benzenesulfonamide, 4-methyl-N,N-dipropylbenzene-1-sulfonamide, Benzenesulfonamide,N-dipropyl-, p-Toluenesulfonamide,N-dipropyl-, [(4-methylphenyl)sulfonyl]dipropylamine

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Probenecid EP Impurity B
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 Probenecid EP Impurity B

Which CAS number identifies Probenecid EP Impurity B?
Probenecid EP Impurity B is registered under CAS 723-42-2. You may also see it listed as Probenecid - Impurity B, Ditolamide, N,N-Dipropyl-p-toluenesulfonamide. Our catalogue number for this item is ZX-026539.
What are the formula and molar mass of Probenecid EP Impurity B?
For Probenecid EP Impurity B, its formula is C13H21NO2S and its molar mass is 255.38 g/mol. The systematic (IUPAC) name is 4-methyl-N,N-dipropylbenzenesulfonamide. InChIKey AUUADVNHIYKUBA-UHFFFAOYSA-N lets you match it in any structure database.
How is Probenecid EP Impurity B used in pharmaceutical QC?
Probenecid EP Impurity B is a characterised reference material linked to Probenecid. 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 Probenecid EP Impurity B?
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 Probenecid EP Impurity B?
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 Probenecid EP Impurity B to my country?
Yes. Probenecid EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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