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Pharmacopeial Impurities (EP / USP / BP)

Cefadroxil EP Impurity E

Reference StandardAvailable on request

Buy Cefadroxil EP Impurity E (CAS 147103-93-3) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-021086.

Pack sizes
Cefadroxil EP Impurity E chemical structure
CAS number147103-93-3
FormulaC11H11N3O3
Molar mass233.22 g/mol
Physical formSolid
HS code38229090
InChIKeyOUXGVNPOYJAFHP-VMPITWQZSA-N
IUPAC name(3E)-3-(aminomethylidene)-6-(4-hydroxyphenyl)piperazine-2,5-dione

About Cefadroxil EP Impurity E

Cefadroxil EP Impurity E is supplied by Zemixal as a characterised reference material for Cefprozil analysis. Key data (Reference Standard): CAS 147103-93-3, formula C11H11N3O3 and molar mass 233.22 g/mol. It is handled as a solid.

Typical applications

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Cefprozil

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

Cefprozil standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Cefadroxil EP Impurity E
Product nameCefadroxil EP Impurity E
Catalogue numberZX-021086
CAS number147103-93-3
IUPAC name(3E)-3-(aminomethylidene)-6-(4-hydroxyphenyl)piperazine-2,5-dione
Molecular formulaC11H11N3O3
Molar mass233.22 g/mol
Exact mass233.08
GradeReference Standard
Physical formSolid
XLogP30.2
H-bond donors / acceptors4 / 4
Topological polar surface area104 Ų
HS code38229090
InChIKeyOUXGVNPOYJAFHP-VMPITWQZSA-N
SMILESC1=CC(=CC=C1C2C(=O)N/C(=C/N)/C(=O)N2)O
PubChem CID139032782
SynonymsCefprozil EP Impurity C, Cefprozil EP Impurity E, Cefprozil Monohydrate EP Impurity C, Cefadroxil - Impurity E, Cefadroxil Impurity E, Cefprozil Impurity C, 3-(Aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione, (3E)-3-(aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione, (E)-3-(aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione

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 Cefadroxil EP Impurity E
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 Cefadroxil EP Impurity E

Which CAS number identifies Cefadroxil EP Impurity E?
Cefadroxil EP Impurity E is registered under CAS 147103-93-3. You may also see it listed as Cefprozil EP Impurity C, Cefprozil EP Impurity E, Cefprozil Monohydrate EP Impurity C. Our catalogue number for this item is ZX-021086.
What are the formula and molar mass of Cefadroxil EP Impurity E?
For Cefadroxil EP Impurity E, its formula is C11H11N3O3 and its molar mass is 233.22 g/mol. The systematic (IUPAC) name is (3E)-3-(aminomethylidene)-6-(4-hydroxyphenyl)piperazine-2,5-dione. InChIKey OUXGVNPOYJAFHP-VMPITWQZSA-N lets you match it in any structure database.
How is Cefadroxil EP Impurity E used in pharmaceutical QC?
Cefadroxil EP Impurity E is a characterised reference material linked to Cefprozil. 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 Cefadroxil EP Impurity E?
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 Cefadroxil EP Impurity E?
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 Cefadroxil EP Impurity E to my country?
Yes. Cefadroxil EP Impurity E ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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