Amoxicillin EP Impurity C

Name: Amoxicillin EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-024272

About Amoxicillin EP Impurity C

Vaqora Chemicals supplies Amoxicillin EP Impurity C, a pharmacopeial impurity of Amoxicillin registered under CAS number 94659-47-9. Formula C16H19N3O5S, molecular weight 365.4 g/mol. Systematically, it is named 2-[5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid. Common synonyms include Amoxicillin Related Compound C and Amoxicillin Piperazine-2,5-dione.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

As a characterised impurity of Amoxicillin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Amoxicillin EP Impurity C is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Amoxicillin

View every impurity, metabolite and intermediate we list for Amoxicillin.

Amoxicillin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Amoxicillin EP Impurity C
Catalogue No.	VQ-024272
CAS Number	94659-47-9
IUPAC name	2-[5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
Molecular formula	C₁₆H₁₉N₃O₅S
Molecular weight	365.4 g/mol
Exact mass	365.1045
Grade	Reference Standard
HSN code	38229090
InChIKey	IIZCCQJEPBWGJU-UHFFFAOYSA-N
SMILES	CC1(C(NC(S1)C2C(=O)NC(C(=O)N2)C3=CC=C(C=C3)O)C(=O)O)C
PubChem CID	46780379

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.8
H-bond donors / acceptors	5 / 7
TPSA	153 Å²
Synonyms	Amoxicillin EP Impurity C, amoxicillin 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

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Amoxicillin EP Impurity C?

The CAS Registry Number of Amoxicillin EP Impurity C is 94659-47-9. It is also known as Amoxicillin EP Impurity C, amoxicillin USP rc c, Amoxicillin Related Compound C.

What is the molecular formula and molecular weight of Amoxicillin EP Impurity C?

Amoxicillin EP Impurity C has the molecular formula C16H19N3O5S and a molecular weight of 365.4 g/mol. Its IUPAC name is 2-[5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid.

What is Amoxicillin EP Impurity C used for?

Amoxicillin EP Impurity C is supplied as a characterised reference material related to Amoxicillin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Amoxicillin EP Impurity C can I order?

We supply Amoxicillin EP Impurity C in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Amoxicillin EP Impurity C?

Yes. Every lot of Amoxicillin EP Impurity C is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Amoxicillin EP Impurity C be shipped internationally?

Yes. Amoxicillin EP Impurity C is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.