Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
contact@zemixal.com
Bulk CASAccount
Pharmacopeial Impurities (EP / USP / BP)

Amoxicillin EP Impurity C

Reference StandardAvailable on request

Order Amoxicillin EP Impurity C (CAS 94659-47-9) online at Zemixal: C16H19N3O5S, COA and SDS with every lot, worldwide shipping.

Pack sizes
Amoxicillin EP Impurity C chemical structure
CAS number94659-47-9
FormulaC16H19N3O5S
Molar mass365.4 g/mol
Physical formSolid
HS code38229090
InChIKeyIIZCCQJEPBWGJU-UHFFFAOYSA-N
IUPAC name2-[5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid

About Amoxicillin EP Impurity C

Analytical teams working on Amoxicillin use Amoxicillin EP Impurity C as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 94659-47-9, formula C16H19N3O5S and molar mass 365.4 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

Handling and storage

Hazard communication follows GHS (Warning: H302). 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. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Amoxicillin

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

Amoxicillin 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 Amoxicillin EP Impurity C
Product nameAmoxicillin EP Impurity C
Catalogue numberZX-023276
CAS number94659-47-9
IUPAC name2-[5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
Molecular formulaC16H19N3O5S
Molar mass365.4 g/mol
Exact mass365.1045
GradeReference Standard
Physical formSolid
XLogP3-1.8
H-bond donors / acceptors5 / 7
Topological polar surface area153 Ų
HS code38229090
InChIKeyIIZCCQJEPBWGJU-UHFFFAOYSA-N
SMILESCC1(C(NC(S1)C2C(=O)NC(C(=O)N2)C3=CC=C(C=C3)O)C(=O)O)C
PubChem CID46780379
Synonymsamoxicillin USP rc c, Amoxicillin Related Compound C, Amoxicillin Piperazine-2,5-dione, 2-[5-(4-Hydroxyphenyl)-3,6-dioxo-2-piperazinyl]-5,5-dimethyl-4-thiazolidinecarboxylic Acid, 2-(5-(4-Hydroxyphenyl)-3,6-dioxopiperazin-2-yl)-5,5-dimethylthiazolidine-4-carboxylic acid, 2,5-Amoxipiperazinedione, 2-[5-(4-Hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethylthiazolidine-4-carboxylic Acid, Amoxicillin Impurity C, Amoxicillin trihydrate impurity C, Amoxicillin impurity 103, 2,5-Amo xipiperazinedione, Amoxicillin Impurity 01(Discontinued,See C4X-11481)

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 Amoxicillin EP Impurity C
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 Amoxicillin EP Impurity C

Which CAS number identifies Amoxicillin EP Impurity C?
Amoxicillin EP Impurity C is registered under CAS 94659-47-9. You may also see it listed as amoxicillin USP rc c, Amoxicillin Related Compound C, Amoxicillin Piperazine-2,5-dione. Our catalogue number for this item is ZX-023276.
What are the formula and molar mass of Amoxicillin EP Impurity C?
For Amoxicillin EP Impurity C, its formula is C16H19N3O5S and its molar mass is 365.4 g/mol. The systematic (IUPAC) name is 2-[5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid. InChIKey IIZCCQJEPBWGJU-UHFFFAOYSA-N lets you match it in any structure database.
How is Amoxicillin EP Impurity C used in pharmaceutical QC?
Amoxicillin EP Impurity C is a characterised reference material linked to Amoxicillin. 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 Amoxicillin EP Impurity C?
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 Amoxicillin EP Impurity C?
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 Amoxicillin EP Impurity C to my country?
Yes. Because Amoxicillin EP Impurity C 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.

More Amoxicillin standards

More in Pharmacopeial Impurities (EP / USP / BP)

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list
Compare 0 of 4Compare now