Valdecoxib Impurity 4

Name: Valdecoxib Impurity 4
Brand: Vaqora Chemicals
SKU: VQ-042791

About Valdecoxib Impurity 4

Vaqora Chemicals supplies Valdecoxib Impurity 4, an impurity of Valdecoxib registered under CAS number 139395-94-1. Its molecular formula is C17H15NO and its molecular weight is 249.31 g/mol. Its systematic (IUPAC) name is 4-benzyl-5-methyl-3-phenyl-1,2-oxazole. It is also known as 3-Phenyl-4-benzyl-5-methylisoxazole or 4-Benzyl-5-methyl-3-phenylisoxazole.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Valdecoxib, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in 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.

Typical applications

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

Industries

Related to Valdecoxib

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

Valdecoxib impurities

Specifications & identifiers

Chemical identifiers
Product name	Valdecoxib Impurity 4
Catalogue No.	VQ-042791
CAS Number	139395-94-1
IUPAC name	4-benzyl-5-methyl-3-phenyl-1,2-oxazole
Molecular formula	C₁₇H₁₅NO
Molecular weight	249.31 g/mol
Exact mass	249.1154
Grade	Reference Standard
HSN code	38229090
InChIKey	SIXLWQCEAXLZHT-UHFFFAOYSA-N
SMILES	CC1=C(C(=NO1)C2=CC=CC=C2)CC3=CC=CC=C3
PubChem CID	71342853

Physical properties
Physical form	Solid
LogP (XLogP3)	4.4
H-bond donors / acceptors	0 / 2
TPSA	26 Å²
Synonyms	3-Phenyl-4-benzyl-5-methylisoxazole, 4-Benzyl-5-methyl-3-phenylisoxazole, Isoxazole, 5-methyl-3-phenyl-4-(phenylmethyl)-, Parecoxib Impurity 22, Valdecoxib Impurity 3

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 Valdecoxib Impurity 4?

The CAS Registry Number of Valdecoxib Impurity 4 is 139395-94-1. It is also known as 3-Phenyl-4-benzyl-5-methylisoxazole, 4-Benzyl-5-methyl-3-phenylisoxazole, Isoxazole, 5-methyl-3-phenyl-4-(phenylmethyl)-.

What is the molecular formula and molecular weight of Valdecoxib Impurity 4?

Valdecoxib Impurity 4 has the molecular formula C17H15NO and a molecular weight of 249.31 g/mol. Its IUPAC name is 4-benzyl-5-methyl-3-phenyl-1,2-oxazole.

What is Valdecoxib Impurity 4 used for?

Valdecoxib Impurity 4 is supplied as a characterised reference material related to Valdecoxib. 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 Valdecoxib Impurity 4 can I order?

We supply Valdecoxib Impurity 4 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 Valdecoxib Impurity 4?

Yes. Every lot of Valdecoxib Impurity 4 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 Valdecoxib Impurity 4 be shipped internationally?

Yes. We export Valdecoxib Impurity 4 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.