Edaravone Impurity 1 (Freebase)

Name: Edaravone Impurity 1 (Freebase)
Brand: Vaqora Chemicals
SKU: VQ-004833

About Edaravone Impurity 1 (Freebase)

Listed under CAS 1242471-40-4, Edaravone Impurity 1 (Freebase) is an impurity of Edaravone available from Vaqora Chemicals at a purity of 89%. Formula C13H16N2O5S, molecular weight 312.34 g/mol. Its systematic (IUPAC) name is 1-hydroxy-2-(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)propane-2-sulfonic acid. It is also known as Edaravone Hydroxymethyl Impurity or Edaravone Impurity 1.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Edaravone to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Edaravone Impurity 1 (Freebase) is dispatched with a Certificate of Analysis (COA) to destinations 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 1 (Freebase)
Catalogue No.	VQ-004833
CAS Number	1242471-40-4
Other CAS	1322767-62-3
IUPAC name	1-hydroxy-2-(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)propane-2-sulfonic acid
Molecular formula	C₁₃H₁₆N₂O₅S
Molecular weight	312.34 g/mol
Exact mass	312.078
Grade	Reference Standard
Purity / assay	89%
HSN code	38229090
InChIKey	WCLOHCKSKIDBJY-UHFFFAOYSA-N
SMILES	CC1=NN(C(=O)C1C(C)(CO)S(=O)(=O)O)C2=CC=CC=C2
PubChem CID	46940047

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.2
H-bond donors / acceptors	2 / 6
TPSA	116 Å²

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 1 (Freebase)?

The CAS Registry Number of Edaravone Impurity 1 (Freebase) is 1242471-40-4. It is also known as Edaravone Hydroxymethyl Impurity, 1-hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid, Edaravone Impurity 1.

What is the molecular formula and molecular weight of Edaravone Impurity 1 (Freebase)?

Edaravone Impurity 1 (Freebase) has the molecular formula C13H16N2O5S and a molecular weight of 312.34 g/mol. Its IUPAC name is 1-hydroxy-2-(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)propane-2-sulfonic acid.

What is Edaravone Impurity 1 (Freebase) used for?

Edaravone Impurity 1 (Freebase) 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 1 (Freebase) can I order?

We supply Edaravone Impurity 1 (Freebase) in Reference Standard (89%) grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Edaravone Impurity 1 (Freebase)?

Yes. Every lot of Edaravone Impurity 1 (Freebase) 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 1 (Freebase) be shipped internationally?

Yes. We export Edaravone Impurity 1 (Freebase) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.