Benzathine Benzylpenicillin EP Impurity E

Name: Benzathine Benzylpenicillin EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-033093

About Benzathine Benzylpenicillin EP Impurity E

Benzathine Benzylpenicillin EP Impurity E is a pharmacopeial impurity of Penicillin carrying the CAS registry number 13057-98-2. Its molecular formula is C16H20N2O5S and its molecular weight is 352.4 g/mol. The IUPAC name is (2R,4S)-2-[(R)-carboxy-[(2-phenylacetyl)amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid. Common synonyms include Benzylpenicillin Benzathine EP Impurity E and Benzylpenicillin Benzathine Impurity E.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

This Penicillin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Benzathine Benzylpenicillin EP Impurity E in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Penicillin

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

Penicillin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Benzathine Benzylpenicillin EP Impurity E
Catalogue No.	VQ-033093
CAS Number	13057-98-2
IUPAC name	(2R,4S)-2-[(R)-carboxy-[(2-phenylacetyl)amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
Molecular formula	C₁₆H₂₀N₂O₅S
Molecular weight	352.4 g/mol
Exact mass	352.1093
Grade	Reference Standard
HSN code	38229090
InChIKey	HCYWNSXLUZRKJX-RWMBFGLXSA-N
SMILES	CC1([C@@H](N[C@H](S1)[C@@H](C(=O)O)NC(=O)CC2=CC=CC=C2)C(=O)O)C
PubChem CID	445702

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.1
H-bond donors / acceptors	4 / 7
TPSA	141 Å²
Synonyms	Benzylpenicillin Benzathine EP Impurity E, Benzylpenicillin Benzathine Impurity E, Benzylpenicilloic acid, 4-carboxy-5,5-dimethyl-alpha-((phenylacetyl)amino)-2-thiazolidineacetic acid, 2-Thiazolidineacetic acid, 4-carboxy-5,5-dimethyl-alpha-((phenylacetyl)amino)-, 5R,6R-Benzylpenicilloic Acid, (5R,6R)-Benzylpenicilloic acid, D-benzylpenicilloic acid, Benzylpenicilloic acid, (5R,6R)-

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

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 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 Benzathine Benzylpenicillin EP Impurity E?

The CAS Registry Number of Benzathine Benzylpenicillin EP Impurity E is 13057-98-2. It is also known as Benzylpenicillin Benzathine EP Impurity E, Benzylpenicillin Benzathine Impurity E, Benzylpenicilloic acid.

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

Benzathine Benzylpenicillin EP Impurity E has the molecular formula C16H20N2O5S and a molecular weight of 352.4 g/mol. Its IUPAC name is (2R,4S)-2-[(R)-carboxy-[(2-phenylacetyl)amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid.

What is Benzathine Benzylpenicillin EP Impurity E used for?

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

We supply Benzathine Benzylpenicillin 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 Benzathine Benzylpenicillin EP Impurity E?

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

Yes. Benzathine Benzylpenicillin EP Impurity E 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.