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Pharmacopeial Impurities (EP / USP / BP)

Benzathine Benzylpenicillin EP Impurity E

Reference StandardAvailable on request

Buy Benzathine Benzylpenicillin EP Impurity E (CAS 13057-98-2) from Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Benzathine Benzylpenicillin EP Impurity E chemical structure
CAS number13057-98-2
FormulaC16H20N2O5S
Molar mass352.4 g/mol
Physical formSolid
HS code38229090
InChIKeyHCYWNSXLUZRKJX-RWMBFGLXSA-N
IUPAC name(2R,4S)-2-[(R)-carboxy-[(2-phenylacetyl)amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid

About Benzathine Benzylpenicillin EP Impurity E

Benzathine Benzylpenicillin EP Impurity E is supplied by Zemixal as a characterised reference material for Penicillin analysis. Identity at a glance (Reference Standard): CAS 13057-98-2, formula C16H20N2O5S and molar mass 352.4 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Hazard communication follows GHS (Danger: H302 and H334). Our SDS lists exposure controls and first-aid measures.

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

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

Penicillin 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 Benzathine Benzylpenicillin EP Impurity E
Product nameBenzathine Benzylpenicillin EP Impurity E
Catalogue numberZX-031767
CAS number13057-98-2
IUPAC name(2R,4S)-2-[(R)-carboxy-[(2-phenylacetyl)amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
Molecular formulaC16H20N2O5S
Molar mass352.4 g/mol
Exact mass352.1093
GradeReference Standard
Physical formSolid
XLogP3-1.1
H-bond donors / acceptors4 / 7
Topological polar surface area141 Ų
HS code38229090
InChIKeyHCYWNSXLUZRKJX-RWMBFGLXSA-N
SMILESCC1([C@@H](N[C@H](S1)[C@@H](C(=O)O)NC(=O)CC2=CC=CC=C2)C(=O)O)C
PubChem CID445702
SynonymsBenzylpenicillin Benzathine EP Impurity E, Benzylpenicillin Benzathine Impurity E, Benzylpenicilloic acid, 4-carboxy-5,5-dimethyl-alpha-((phenylacetyl)amino)-2-thiazolidineacetic acid, 2-Thiazolidineacetic acid, 4-carboxy-5,5-dimethyl-alpha-((phenylacetyl)amino)-, 5R,6R-Benzylpenicilloic Acid, (5R,6R)-Benzylpenicilloic acid, D-benzylpenicilloic acid, Benzylpenicilloic acid, (5R,6R)-

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
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements P233, P260, P264, P270, P271, P284, P301 + P317, P304 + P340, P330, P342 + P316, P403, 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 Benzathine Benzylpenicillin 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 Benzathine Benzylpenicillin EP Impurity E

Which CAS number identifies Benzathine Benzylpenicillin EP Impurity E?
Benzathine Benzylpenicillin EP Impurity E is registered under CAS 13057-98-2. You may also see it listed as Benzylpenicillin Benzathine EP Impurity E, Benzylpenicillin Benzathine Impurity E, Benzylpenicilloic acid. Our catalogue number for this item is ZX-031767.
What are the formula and molar mass of Benzathine Benzylpenicillin EP Impurity E?
For Benzathine Benzylpenicillin EP Impurity E, its formula is C16H20N2O5S and its molar mass is 352.4 g/mol. The systematic (IUPAC) name is (2R,4S)-2-[(R)-carboxy-[(2-phenylacetyl)amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid. InChIKey HCYWNSXLUZRKJX-RWMBFGLXSA-N lets you match it in any structure database.
How is Benzathine Benzylpenicillin EP Impurity E used in pharmaceutical QC?
Benzathine Benzylpenicillin EP Impurity E is a characterised reference material linked to Penicillin. 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 Benzathine Benzylpenicillin 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 Benzathine Benzylpenicillin 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 Benzathine Benzylpenicillin EP Impurity E to my country?
Yes. Because Benzathine Benzylpenicillin EP Impurity E 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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