α,α-Diphenyl-γ-butyrolactone

Name: α,α-Diphenyl-γ-butyrolactone
Brand: Vaqora Chemicals
SKU: VQ-048926

About α,α-Diphenyl-γ-butyrolactone

α,α-Diphenyl-γ-butyrolactone (CAS 956-89-8) is an impurity of Loperamide offered by Vaqora Chemicals. Formula C16H14O2, molecular weight 238.28 g/mol. Systematically, it is named 3,3-diphenyloxolan-2-one. Alternative names: 3,3-Diphenyldihydrofuran-2(3H)-one and alpha,alpha-Diphenyl-gamma-butyrolactone.

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 Loperamide, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies α,α-Diphenyl-γ-butyrolactone in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Loperamide

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

Loperamide impurities

Specifications & identifiers

Chemical identifiers
Product name	α,α-Diphenyl-γ-butyrolactone
Catalogue No.	VQ-048926
CAS Number	956-89-8
IUPAC name	3,3-diphenyloxolan-2-one
Molecular formula	C₁₆H₁₄O₂
Molecular weight	238.28 g/mol
Exact mass	238.0994
Grade	Reference Standard
HSN code	38229090
InChIKey	IRQJWIUKHLVISG-UHFFFAOYSA-N
SMILES	C1COC(=O)C1(C2=CC=CC=C2)C3=CC=CC=C3
PubChem CID	70393

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	3,3-Diphenyldihydrofuran-2(3H)-one, alpha,alpha-Diphenyl-gamma-butyrolactone, 1,1-Diphenyl-3-butyrolactone, 2(3H)-Furanone, dihydro-3,3-diphenyl-, 3,3-diphenyl-3,4,5-trihydrofuran-2-one, A,, A-Diphenyl-, A-butyrolactone, alpha , alpha -Diphenyl- gamma -butyrolactone, .alpha.,.alpha.-Diphenyl-.gamma.-butyrolactone

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 α,α-Diphenyl-γ-butyrolactone?

The CAS Registry Number of α,α-Diphenyl-γ-butyrolactone is 956-89-8. It is also known as 3,3-Diphenyldihydrofuran-2(3H)-one, alpha,alpha-Diphenyl-gamma-butyrolactone, 1,1-Diphenyl-3-butyrolactone.

What is the molecular formula and molecular weight of α,α-Diphenyl-γ-butyrolactone?

α,α-Diphenyl-γ-butyrolactone has the molecular formula C16H14O2 and a molecular weight of 238.28 g/mol. Its IUPAC name is 3,3-diphenyloxolan-2-one.

What is α,α-Diphenyl-γ-butyrolactone used for?

α,α-Diphenyl-γ-butyrolactone is supplied as a characterised reference material related to Loperamide. 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 α,α-Diphenyl-γ-butyrolactone can I order?

We supply α,α-Diphenyl-γ-butyrolactone 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 α,α-Diphenyl-γ-butyrolactone?

Yes. Every lot of α,α-Diphenyl-γ-butyrolactone 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 α,α-Diphenyl-γ-butyrolactone be shipped internationally?

Yes. We export α,α-Diphenyl-γ-butyrolactone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.