Edaravone Impurity-6
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
Edaravone Impurity-6 (CAS 33421-60-2) – Edaravone impurity standard, 90.83%. C20H18N4O, MW 330.4. COA included. Worldwide shipping from Vaqora Chemicals.
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
View every impurity, metabolite and intermediate we list for Edaravone.
Edaravone impuritiesSpecifications & 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 form | Solid |
|---|---|
| LogP (XLogP3) | 3.4 |
| H-bond donors / acceptors | 0 / 3 |
| TPSA | 50.5 Ų |
| 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- |
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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.
Enquire about Edaravone Impurity-6
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