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API Impurities

Edaravone Impurity-6

Reference StandardIn stock

Buy Edaravone Impurity-6 (CAS 33421-60-2) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Edaravone Impurity-6 chemical structure
CAS number33421-60-2
FormulaC20H18N4O
Molar mass330.4 g/mol
Physical formSolid
HS code38229090
Purity90.83%
InChIKeyWYVQTSJWCZXENQ-UHFFFAOYSA-N
IUPAC name5-methyl-4-(5-methyl-2-phenylpyrazol-3-yl)-2-phenyl-4H-pyrazol-3-one

About Edaravone Impurity-6

Zemixal lists Edaravone Impurity-6 for laboratories that identify, quantify or control Edaravone and its related substances. Identity at a glance (Reference Standard): CAS 33421-60-2, formula C20H18N4O and molar mass 330.4 g/mol. It is handled as a solid.

Typical applications

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

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Edaravone

See every impurity, metabolite and related compound we list for this API.

Edaravone standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Edaravone Impurity-6
Product nameEdaravone Impurity-6
Catalogue numberZX-004649
CAS number33421-60-2
IUPAC name5-methyl-4-(5-methyl-2-phenylpyrazol-3-yl)-2-phenyl-4H-pyrazol-3-one
Molecular formulaC20H18N4O
Molar mass330.4 g/mol
Exact mass330.1481
GradeReference Standard
Purity / assay90.83%
Physical formSolid
XLogP33.4
H-bond donors / acceptors0 / 3
Topological polar surface area50.5 Ų
HS code38229090
InChIKeyWYVQTSJWCZXENQ-UHFFFAOYSA-N
SMILESCC1=NN(C(=C1)C2C(=NN(C2=O)C3=CC=CC=C3)C)C4=CC=CC=C4
PubChem CID117065764
Synonyms2,4-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-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Edaravone Impurity-6
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Edaravone Impurity-6

Which CAS number identifies Edaravone Impurity-6?
Edaravone Impurity-6 is registered under CAS 33421-60-2. You may also see it listed 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. Our catalogue number for this item is ZX-004649.
What are the formula and molar mass of Edaravone Impurity-6?
For Edaravone Impurity-6, its formula is C20H18N4O and its molar mass is 330.4 g/mol. The systematic (IUPAC) name is 5-methyl-4-(5-methyl-2-phenylpyrazol-3-yl)-2-phenyl-4H-pyrazol-3-one. InChIKey WYVQTSJWCZXENQ-UHFFFAOYSA-N lets you match it in any structure database.
How is Edaravone Impurity-6 used in pharmaceutical QC?
Edaravone Impurity-6 is a characterised reference material linked to Edaravone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Edaravone Impurity-6?
This listing is Reference Standard grade with 90.83% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Edaravone Impurity-6?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Edaravone Impurity-6 to my country?
Yes. Edaravone Impurity-6 ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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