Benzylpenicillin Potassium EP Impurity E

About Benzylpenicillin Potassium EP Impurity E

Benzylpenicillin Potassium EP Impurity E is a pharmacopeial impurity of Benzylpenicillin carrying the CAS registry number 11039-68-2. The compound has the formula C9H14N2O5S, corresponding to a molecular weight of 262.29 g/mol. The IUPAC name is (2R,4S)-2-[(R)-carboxy(formamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid. Common synonyms include Benzylpenicillin EP Impurity E and Benzylpenicillin Potassium - Impurity E.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Benzylpenicillin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Benzylpenicillin

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

Benzylpenicillin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Benzylpenicillin Potassium EP Impurity E
Catalogue No.	VQ-045288
CAS Number	11039-68-2
IUPAC name	(2R,4S)-2-[(R)-carboxy(formamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
Molecular formula	C₉H₁₄N₂O₅S
Molecular weight	262.29 g/mol
Exact mass	262.0623
Grade	Reference Standard
HSN code	38229090
InChIKey	OPEGYZAATHKDEM-HCWXCVPCSA-N
SMILES	CC1([C@@H](N[C@H](S1)[C@@H](C(=O)O)NC=O)C(=O)O)C
PubChem CID	52921568

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.7
H-bond donors / acceptors	4 / 7
TPSA	141 Å²
Synonyms	Benzylpenicillin EP Impurity E, Benzylpenicillin Potassium - Impurity E, Penicilloic acid, PAB-142, BB-517, (2R,4S)-2-((R)-Carboxy(formamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid, Penicillin Impurity 11, 2-Thiazolidineacetic acid, 4-carboxy-alpha-(formylamino)-5,5-dimethyl-, (alphaR,2R,4S)-, Benzylpenicillin Impurity 55

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 Benzylpenicillin Potassium EP Impurity E?

The CAS Registry Number of Benzylpenicillin Potassium EP Impurity E is 11039-68-2. It is also known as Benzylpenicillin EP Impurity E, Benzylpenicillin Potassium - Impurity E, Penicilloic acid.

What is the molecular formula and molecular weight of Benzylpenicillin Potassium EP Impurity E?

Benzylpenicillin Potassium EP Impurity E has the molecular formula C9H14N2O5S and a molecular weight of 262.29 g/mol. Its IUPAC name is (2R,4S)-2-[(R)-carboxy(formamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid.

What is Benzylpenicillin Potassium EP Impurity E used for?

Benzylpenicillin Potassium EP Impurity E is supplied as a characterised reference material related to Benzylpenicillin. 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 Benzylpenicillin Potassium EP Impurity E can I order?

We supply Benzylpenicillin Potassium EP Impurity E 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 Benzylpenicillin Potassium EP Impurity E?

Yes. Every lot of Benzylpenicillin Potassium EP Impurity E 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 Benzylpenicillin Potassium EP Impurity E be shipped internationally?

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