3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazo… 177415-76-8

Name: 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol
Brand: Vaqora Chemicals
SKU: VQ-025463

About 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol

Listed under CAS 177415-76-8, 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol is an impurity of Edaravone available from Vaqora Chemicals. With the molecular formula C20H18N4O2, it has a molar mass of 346.4 g/mol. Systematically, it is named 5-methyl-4-(5-methyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-2-phenyl-1H-pyrazol-3-one. Common synonyms include Edaravone-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. 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 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

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	3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol
Catalogue No.	VQ-025463
CAS Number	177415-76-8
IUPAC name	5-methyl-4-(5-methyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-2-phenyl-1H-pyrazol-3-one
Molecular formula	C₂₀H₁₈N₄O₂
Molecular weight	346.4 g/mol
Exact mass	346.143
Grade	Reference Standard
HSN code	38229090
InChIKey	CIJVXSIRUQCTBV-UHFFFAOYSA-N
SMILES	CC1=C(C(=O)N(N1)C2=CC=CC=C2)C3=C(NN(C3=O)C4=CC=CC=C4)C
PubChem CID	6610904

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	2 / 4
TPSA	64.7 Å²
Synonyms	3,3'-dimethyl-1,1'-diphenyl-1h,1'h-4,4'-bipyrazole-5,5'-diol, 3,3'-Dimethyl-1,1'-diphenyl-1H,1'H-[4,4'-bipyrazole]-5,5'-diol, Edaravone-1, 3,3'-Dimethyl-1,1'-diphenyl-4,4'-bi(5-pyrazolone), [4,4'-Bi-1H-pyrazole]-5,5'-diol, 3,3'-dimethyl-1,1'-diphenyl-, Bis(3-methyl-1-phenyl-5-pyrazolone) [for Determination of CN, Vitamin B12, etc]

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 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol?

The CAS Registry Number of 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol is 177415-76-8. It is also known as 3,3'-dimethyl-1,1'-diphenyl-1h,1'h-4,4'-bipyrazole-5,5'-diol, 3,3'-Dimethyl-1,1'-diphenyl-1H,1'H-[4,4'-bipyrazole]-5,5'-diol, Edaravone-1.

What is the molecular formula and molecular weight of 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol?

3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol has the molecular formula C20H18N4O2 and a molecular weight of 346.4 g/mol. Its IUPAC name is 5-methyl-4-(5-methyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-2-phenyl-1H-pyrazol-3-one.

What is 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol used for?

3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol 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 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol can I order?

We supply 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol 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 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol?

Yes. Every lot of 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol 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 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol be shipped internationally?

Yes. We export 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.