Edaravone Impurity-6

About Edaravone Impurity-6

Edaravone Impurity-6 is an impurity of Edaravone carrying the CAS registry number 33421-60-2 with a typical assay of 90.83%. Formula C20H18N4O, molecular weight 330.4 g/mol. The IUPAC name is 5-methyl-4-(5-methyl-2-phenylpyrazol-3-yl)-2-phenyl-4H-pyrazol-3-one.

It is supplied 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 Edaravone, 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.

We offer Edaravone Impurity-6 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. Stock is available for quick dispatch.

Typical applications

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

Industries

Related to Edaravone

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

Edaravone impurities

Specifications & identifiers

Chemical identifiers
Product name	Edaravone Impurity-6
Catalogue No.	VQ-004840
CAS Number	33421-60-2
IUPAC name	5-methyl-4-(5-methyl-2-phenylpyrazol-3-yl)-2-phenyl-4H-pyrazol-3-one
Molecular formula	C₂₀H₁₈N₄O
Molecular weight	330.4 g/mol
Exact mass	330.1481
Grade	Reference Standard
Purity / assay	90.83%
HSN code	38229090
InChIKey	WYVQTSJWCZXENQ-UHFFFAOYSA-N
SMILES	CC1=NN(C(=C1)C2C(=NN(C2=O)C3=CC=CC=C3)C)C4=CC=CC=C4
PubChem CID	117065764

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	0 / 3
TPSA	50.5 Å²
Synonyms	2,4-Dihydro-5-methyl-4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-2-phenyl-3H-pyrazol-3-one, 3-Methyl-4-(3-methyl-1-phenylpyrazol-5-yl)-1-phenyl- 2-Pyrazolin-5-one, 5,5'-dimethyl-2,2'-diphenyl-2',4'-dihydro-2H,3'H-[3 ,4'-bipyrazol]-3'-one, 3-methyl-4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-1-phenyl-1H-pyrazol-5(4H)-one, 5,5'-dimethyl-2,2'-diphenyl-2',4'-dihydro-2H,3'H-[3,4'-bipyrazol]-3'-one, [4,5'-Bi-1H-pyrazol]-5-ol, 3,3'-dimethyl-1,1'-diphenyl-, 3',5-Dimethyl-1',2-diphenyl-1'H,2H-[3,4'-bipyrazol]-5'-ol, 2-Pyrazolin-5-one, 3-methyl-4-(3-methyl-1-phenylpyrazol-5-yl)-1-phenyl-, 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-2-phenyl-

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 Edaravone Impurity-6?

The CAS Registry Number of Edaravone Impurity-6 is 33421-60-2. It is also known as 2,4-Dihydro-5-methyl-4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-2-phenyl-3H-pyrazol-3-one, 3-Methyl-4-(3-methyl-1-phenylpyrazol-5-yl)-1-phenyl- 2-Pyrazolin-5-one, 5,5'-dimethyl-2,2'-diphenyl-2',4'-dihydro-2H,3'H-[3 ,4'-bipyrazol]-3'-one.

What is the molecular formula and molecular weight of Edaravone Impurity-6?

Edaravone Impurity-6 has the molecular formula C20H18N4O and a molecular weight of 330.4 g/mol. Its IUPAC name is 5-methyl-4-(5-methyl-2-phenylpyrazol-3-yl)-2-phenyl-4H-pyrazol-3-one.

What is Edaravone Impurity-6 used for?

Edaravone Impurity-6 is supplied as a characterised reference material related to Edaravone. 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 Edaravone Impurity-6 can I order?

We supply Edaravone Impurity-6 in Reference Standard (90.83%) grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Edaravone Impurity-6?

Yes. Every lot of Edaravone Impurity-6 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 Edaravone Impurity-6 be shipped internationally?

Yes. We export Edaravone Impurity-6 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.