Amoxicillin EP Impurity K

Name: Amoxicillin EP Impurity K
Brand: Vaqora Chemicals
SKU: VQ-024276

About Amoxicillin EP Impurity K

Amoxicillin EP Impurity K (CAS 210289-72-8) is a pharmacopeial impurity of Amoxicillin offered by Vaqora Chemicals. The compound has the formula C32H40N6O11S2, corresponding to a molecular weight of 748.8 g/mol. Common synonyms include Amoxicillin Dimer (penicilloic acid form) and Amoxicillin trihydrate impurity K.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Amoxicillin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Amoxicillin EP Impurity K in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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 K
Catalogue No.	VQ-024276
CAS Number	210289-72-8
IUPAC name	2-[1-[[2-amino-2-(4-hydroxyphenyl)acetyl]amino]-2-[[2-[[carboxy-(4-carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl)methyl]amino]-1-(4-hydroxyphenyl)-2-oxoethyl]amino]-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
Molecular formula	C₃₂H₄₀N₆O₁₁S₂
Molecular weight	748.8 g/mol
Exact mass	748.2196
Grade	Reference Standard
HSN code	38229090
InChIKey	YJFZGYXDUKQVQI-UHFFFAOYSA-N
SMILES	CC1(C(NC(S1)C(C(=O)NC(C2=CC=C(C=C2)O)C(=O)NC(C3NC(C(S3)(C)C)C(=O)O)C(=O)O)NC(=O)C(C4=CC=C(C=C4)O)N)C(=O)O)C
PubChem CID	101948365

Physical properties
Physical form	Solid
LogP (XLogP3)	-6.4
H-bond donors / acceptors	11 / 16
TPSA	340 Å²

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 K?

The CAS Registry Number of Amoxicillin EP Impurity K is 210289-72-8. It is also known as Amoxicillin Dimer (penicilloic acid form), Amoxicillin Dimer Tri-Sodium Salt (Penicilloic acid form) (Mixture of Diastereomers), Amoxicillin trihydrate impurity K.

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

Amoxicillin EP Impurity K has the molecular formula C32H40N6O11S2 and a molecular weight of 748.8 g/mol.

What is Amoxicillin EP Impurity K used for?

Amoxicillin EP Impurity K 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 K can I order?

We supply Amoxicillin EP Impurity K 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 K?

Yes. Every lot of Amoxicillin EP Impurity K 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 K be shipped internationally?

Yes. We export Amoxicillin EP Impurity K worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.