Isopenillic acid

Name: Isopenillic acid
Brand: Vaqora Chemicals
SKU: VQ-033099

About Isopenillic acid

Isopenillic acid (CAS 90962-63-3) is an impurity of Penicillin offered by Vaqora Chemicals. Its molecular formula is C16H18N2O4S and its molecular weight is 334.4 g/mol. Systematically, it is named 2-benzyl-1-[(1S)-1-carboxy-2-methyl-2-sulfanylpropyl]imidazole-4-carboxylic acid.

It is supplied 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.

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. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Isopenillic acid in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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	Isopenillic acid
Catalogue No.	VQ-033099
CAS Number	90962-63-3
IUPAC name	2-benzyl-1-[(1S)-1-carboxy-2-methyl-2-sulfanylpropyl]imidazole-4-carboxylic acid
Molecular formula	C₁₆H₁₈N₂O₄S
Molecular weight	334.4 g/mol
Exact mass	334.0987
Grade	Reference Standard
HSN code	38229090
InChIKey	QLTUFLACBYWAET-ZDUSSCGKSA-N
SMILES	CC(C)([C@H](C(=O)O)N1C=C(N=C1CC2=CC=CC=C2)C(=O)O)S
PubChem CID	13751903

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	3 / 6
TPSA	93.4 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 Isopenillic acid?

The CAS Registry Number of Isopenillic acid is 90962-63-3. It is also known as (S)-2-Benzyl-1-(1-carboxy-2-mercapto-2-methylpropyl)-1H-imidazole-4-carboxylic acid.

What is the molecular formula and molecular weight of Isopenillic acid?

Isopenillic acid has the molecular formula C16H18N2O4S and a molecular weight of 334.4 g/mol. Its IUPAC name is 2-benzyl-1-[(1S)-1-carboxy-2-methyl-2-sulfanylpropyl]imidazole-4-carboxylic acid.

What is Isopenillic acid used for?

Isopenillic acid 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 Isopenillic acid can I order?

We supply Isopenillic acid 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 Isopenillic acid?

Yes. Every lot of Isopenillic acid 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 Isopenillic acid be shipped internationally?

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