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Pharmacopeial Impurities (EP / USP / BP)

Crotamiton EP Impurity A

Reference StandardAvailable on request

Order Crotamiton EP Impurity A (CAS 13936-71-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-024065.

Pack sizes
Crotamiton EP Impurity A chemical structure
CAS number13936-71-5
FormulaC13H17NO
Molar mass203.28 g/mol
Physical formSolid
HS code38229090
InChIKeyNXXVQNLYGNUDLL-UHFFFAOYSA-N
IUPAC nameN-ethyl-N-(2-methylphenyl)but-3-enamide

About Crotamiton EP Impurity A

Crotamiton EP Impurity A is supplied by Zemixal as a characterised reference material for Crotamiton analysis. Key data (Reference Standard): CAS 13936-71-5, formula C13H17NO and molar mass 203.28 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Crotamiton

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

Crotamiton standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Crotamiton EP Impurity A
Product nameCrotamiton EP Impurity A
Catalogue numberZX-024065
CAS number13936-71-5
IUPAC nameN-ethyl-N-(2-methylphenyl)but-3-enamide
Molecular formulaC13H17NO
Molar mass203.28 g/mol
Exact mass203.131
GradeReference Standard
Physical formSolid
XLogP32.8
H-bond donors / acceptors0 / 1
Topological polar surface area20.3 Ų
HS code38229090
InChIKeyNXXVQNLYGNUDLL-UHFFFAOYSA-N
SMILESCCN(C1=CC=CC=C1C)C(=O)CC=C
PubChem CID118832936
SynonymsCrotamiton - Impurity A, N-Ethyl-N-(2-methylphenyl)-3-butenamide, 3-Buteno-o-toluidide, N-ethyl-, 3-Butenamide, N-ethyl-N-(2-methylphenyl)-, Crotamiton impurity A, N-Ethyl-3-buteno-o-toluidide, N-Ethyl-N-(o-tolyl)but-3-enamide

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 Crotamiton 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 Crotamiton EP Impurity A

Which CAS number identifies Crotamiton EP Impurity A?
Crotamiton EP Impurity A is registered under CAS 13936-71-5. You may also see it listed as Crotamiton - Impurity A, N-Ethyl-N-(2-methylphenyl)-3-butenamide, 3-Buteno-o-toluidide, N-ethyl-. Our catalogue number for this item is ZX-024065.
What are the formula and molar mass of Crotamiton EP Impurity A?
For Crotamiton EP Impurity A, its formula is C13H17NO and its molar mass is 203.28 g/mol. The systematic (IUPAC) name is N-ethyl-N-(2-methylphenyl)but-3-enamide. InChIKey NXXVQNLYGNUDLL-UHFFFAOYSA-N lets you match it in any structure database.
How is Crotamiton EP Impurity A used in pharmaceutical QC?
Crotamiton EP Impurity A is a characterised reference material linked to Crotamiton. 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 Crotamiton 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 Crotamiton 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 Crotamiton EP Impurity A to my country?
Yes. Because Crotamiton 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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