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Pharmacopeial Impurities (EP / USP / BP)

Aspartame EP Impurity B

Reference StandardAvailable on request

Aspartame EP Impurity B (CAS 13433-09-5) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Aspartame EP Impurity B chemical structure
CAS number13433-09-5
FormulaC13H16N2O5
Molar mass280.28 g/mol
Physical formSolid
HS code38229090
InChIKeyYZQCXOFQZKCETR-UWVGGRQHSA-N
IUPAC name(3S)-3-amino-4-[[(1S)-1-carboxy-2-phenylethyl]amino]-4-oxobutanoic acid

About Aspartame EP Impurity B

Aspartame EP Impurity B is supplied by Zemixal as a characterised reference material for Aspartame analysis. For your records (Reference Standard), the material is defined by CAS 13433-09-5, formula C13H16N2O5 and molar mass 280.28 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

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

Reference standards for Aspartame

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

Aspartame 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 Aspartame EP Impurity B
Product nameAspartame EP Impurity B
Catalogue numberZX-020677
CAS number13433-09-5
IUPAC name(3S)-3-amino-4-[[(1S)-1-carboxy-2-phenylethyl]amino]-4-oxobutanoic acid
Molecular formulaC13H16N2O5
Molar mass280.28 g/mol
Exact mass280.1059
GradeReference Standard
Physical formSolid
XLogP3-3.3
H-bond donors / acceptors4 / 6
Topological polar surface area130 Ų
HS code38229090
InChIKeyYZQCXOFQZKCETR-UWVGGRQHSA-N
SMILESC1=CC=C(C=C1)C[C@@H](C(=O)O)NC(=O)[C@H](CC(=O)O)N
PubChem CID93078
Synonymsaspartame USP Related Compound, Aspartame - Impurity B, L-Aspartyl-L-phenylalanine, Aspartyl-phenylalanine, Aspartylphenylalanine, N-L-alpha-aspartyl-L-PhenylAlanine, (3S)-3-amino-4-(((1S)-1-carboxy-2-phenylethyl)amino)-4-oxobutanoic acid, (S)-3-Amino-4-(((S)-1-carboxy-2-phenylethyl)amino)-4-oxobutanoic acid, L-alpha-Aspartyl-L-phenylalanine, alpha-L-Aspartyl-L-phenylalanine, l-a-aspartyl-l-phenylalanine, L-alpha-Asp-L-Phe

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 Aspartame 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 Aspartame EP Impurity B

Which CAS number identifies Aspartame EP Impurity B?
Aspartame EP Impurity B is registered under CAS 13433-09-5. You may also see it listed as aspartame USP Related Compound, Aspartame - Impurity B, L-Aspartyl-L-phenylalanine. Our catalogue number for this item is ZX-020677.
What are the formula and molar mass of Aspartame EP Impurity B?
For Aspartame EP Impurity B, its formula is C13H16N2O5 and its molar mass is 280.28 g/mol. The systematic (IUPAC) name is (3S)-3-amino-4-[[(1S)-1-carboxy-2-phenylethyl]amino]-4-oxobutanoic acid. InChIKey YZQCXOFQZKCETR-UWVGGRQHSA-N lets you match it in any structure database.
How is Aspartame EP Impurity B used in pharmaceutical QC?
Aspartame EP Impurity B is a characterised reference material linked to Aspartame. 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 Aspartame 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 Aspartame 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 Aspartame EP Impurity B to my country?
Yes. Aspartame 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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