Benzylpenicillin

Name: Benzylpenicillin
Brand: Vaqora Chemicals
SKU: VQ-024660

About Benzylpenicillin

Benzylpenicillin is an impurity of Penicillin carrying the CAS registry number 61-33-6. With the molecular formula C16H18N2O4S, it has a molar mass of 334.4 g/mol. The IUPAC name is (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. It is also known as penicillin g or Benzylpenicillinic acid.

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. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Penicillin 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.

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

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Penicillin

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

Penicillin impurities

Specifications & identifiers

Chemical identifiers
Product name	Benzylpenicillin
Catalogue No.	VQ-024660
CAS Number	61-33-6
IUPAC name	(2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Molecular formula	C₁₆H₁₈N₂O₄S
Molecular weight	334.4 g/mol
Exact mass	334.0987
Grade	Reference Standard
HSN code	38229090
InChIKey	JGSARLDLIJGVTE-MBNYWOFBSA-N
SMILES	CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)CC3=CC=CC=C3)C(=O)O)C
PubChem CID	5904

Physical properties
Physical form	Solid
LogP (XLogP3)	1.8
H-bond donors / acceptors	2 / 5
TPSA	112 Å²
Synonyms	penicillin g, Benzylpenicillinic acid, Liquacillin, Free penicillin II, Specilline G, Dropcillin, Free penicillin G, Gelacillin, Pharmacillin, Cilloral, Benzylpenicilline

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H400Very toxic to aquatic life
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P233, P260, P261, P271, P272, P273, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, P391, 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 Benzylpenicillin?

The CAS Registry Number of Benzylpenicillin is 61-33-6. It is also known as penicillin g, Benzylpenicillinic acid, Liquacillin.

What is the molecular formula and molecular weight of Benzylpenicillin?

Benzylpenicillin has the molecular formula C16H18N2O4S and a molecular weight of 334.4 g/mol. Its IUPAC name is (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid.

What is Benzylpenicillin used for?

Benzylpenicillin 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 Benzylpenicillin can I order?

We supply Benzylpenicillin 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?

Yes. Every lot of Benzylpenicillin 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 be shipped internationally?

Yes. Benzylpenicillin 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.