2-Cyclopentylidene-2-phenylacetic Acid

About 2-Cyclopentylidene-2-phenylacetic Acid

2-Cyclopentylidene-2-phenylacetic Acid is an impurity of Glycopyrrolate carrying the CAS registry number 126497-27-6. Formula C13H14O2, molecular weight 202.25 g/mol.

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.

As a characterised impurity of Glycopyrrolate, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across 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. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

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

Industries

Related to Glycopyrrolate

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

Glycopyrrolate impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Cyclopentylidene-2-phenylacetic Acid
Catalogue No.	VQ-031024
CAS Number	126497-27-6
IUPAC name	2-cyclopentylidene-2-phenylacetic acid
Molecular formula	C₁₃H₁₄O₂
Molecular weight	202.25 g/mol
Exact mass	202.0994
Grade	Reference Standard
HSN code	38229090
InChIKey	FVUTUWDXGPHSDO-UHFFFAOYSA-N
SMILES	C1CCC(=C(C2=CC=CC=C2)C(=O)O)C1
PubChem CID	279699

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	1 / 2
TPSA	37.3 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 2-Cyclopentylidene-2-phenylacetic Acid?

The CAS Registry Number of 2-Cyclopentylidene-2-phenylacetic Acid is 126497-27-6.

What is the molecular formula and molecular weight of 2-Cyclopentylidene-2-phenylacetic Acid?

2-Cyclopentylidene-2-phenylacetic Acid has the molecular formula C13H14O2 and a molecular weight of 202.25 g/mol. Its IUPAC name is 2-cyclopentylidene-2-phenylacetic acid.

What is 2-Cyclopentylidene-2-phenylacetic Acid used for?

2-Cyclopentylidene-2-phenylacetic Acid is supplied as a characterised reference material related to Glycopyrrolate. 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 2-Cyclopentylidene-2-phenylacetic Acid can I order?

We supply 2-Cyclopentylidene-2-phenylacetic 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 2-Cyclopentylidene-2-phenylacetic Acid?

Yes. Every lot of 2-Cyclopentylidene-2-phenylacetic 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 2-Cyclopentylidene-2-phenylacetic Acid be shipped internationally?

Yes. We export 2-Cyclopentylidene-2-phenylacetic Acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.