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Pharmacopeial Impurities (EP / USP / BP)

Ampicillin EP Impurity B

Reference StandardAvailable on request

Order Ampicillin EP Impurity B (CAS 19379-33-0) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Ampicillin EP Impurity B chemical structure
CAS number19379-33-0
FormulaC16H19N3O4S
Molar mass349.4 g/mol
Physical formSolid
HS code38229090
InChIKeyAVKUERGKIZMTKX-BBGACYKPSA-N
IUPAC name(2S,5R,6R)-6-[[(2S)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

About Ampicillin EP Impurity B

Analytical teams working on Ampicillin use Ampicillin EP Impurity B as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 19379-33-0, formula C16H19N3O4S and molar mass 349.4 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Classified under GHS with signal word Danger and hazard statements H302 and H334. Read the SDS before first use.

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Ampicillin

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

Ampicillin 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 Ampicillin EP Impurity B
Product nameAmpicillin EP Impurity B
Catalogue numberZX-020631
CAS number19379-33-0
IUPAC name(2S,5R,6R)-6-[[(2S)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Molecular formulaC16H19N3O4S
Molar mass349.4 g/mol
Exact mass349.1096
GradeReference Standard
Physical formSolid
XLogP3-1.1
H-bond donors / acceptors3 / 6
Topological polar surface area138 Ų
HS code38229090
InChIKeyAVKUERGKIZMTKX-BBGACYKPSA-N
SMILESCC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@H](C3=CC=CC=C3)N)C(=O)O)C
PubChem CID448911
SynonymsL-ampicillin, Ampicillin Trihydrate - Impurity B, Ampicillin Sodium - Impurity B, L-(+)-Ampicillin, Ampicillin, L-, Ampicillin trihydrate impurity B, Ampicillin, anhydrous impurity B, L-Ampicillin

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 Ampicillin 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 Ampicillin EP Impurity B

Which CAS number identifies Ampicillin EP Impurity B?
Ampicillin EP Impurity B is registered under CAS 19379-33-0. You may also see it listed as L-ampicillin, Ampicillin Trihydrate - Impurity B, Ampicillin Sodium - Impurity B. Our catalogue number for this item is ZX-020631.
What are the formula and molar mass of Ampicillin EP Impurity B?
For Ampicillin EP Impurity B, its formula is C16H19N3O4S and its molar mass is 349.4 g/mol. The systematic (IUPAC) name is (2S,5R,6R)-6-[[(2S)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. InChIKey AVKUERGKIZMTKX-BBGACYKPSA-N lets you match it in any structure database.
How is Ampicillin EP Impurity B used in pharmaceutical QC?
Ampicillin EP Impurity B is a characterised reference material linked to Ampicillin. 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 Ampicillin 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 Ampicillin 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 Ampicillin EP Impurity B to my country?
Yes. Because Ampicillin EP Impurity B 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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