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3-Methyl-1-phenyl-1H-pyrazole-4,5-dione

Reference StandardAvailable on request

Buy 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione (CAS 881-05-0) from Zemixal: C10H8N2O2, COA and SDS with every lot, worldwide shipping.

Pack sizes
3-Methyl-1-phenyl-1H-pyrazole-4,5-dione chemical structure
CAS number881-05-0
FormulaC10H8N2O2
Molar mass188.18 g/mol
Physical formSolid
HS code38229090
InChIKeyWZHUUJNRNMODNQ-UHFFFAOYSA-N
IUPAC name5-methyl-2-phenylpyrazole-3,4-dione

About 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione

Analytical teams working on Edaravone use 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 881-05-0, formula C10H8N2O2 and molar mass 188.18 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione
Product name3-Methyl-1-phenyl-1H-pyrazole-4,5-dione
Catalogue numberZX-029146
CAS number881-05-0
IUPAC name5-methyl-2-phenylpyrazole-3,4-dione
Molecular formulaC10H8N2O2
Molar mass188.18 g/mol
Exact mass188.0586
GradeReference Standard
Physical formSolid
XLogP31.1
H-bond donors / acceptors0 / 3
Topological polar surface area49.7 Ų
HS code38229090
InChIKeyWZHUUJNRNMODNQ-UHFFFAOYSA-N
SMILESCC1=NN(C(=O)C1=O)C2=CC=CC=C2
PubChem CID10103939
Synonyms1H-Pyrazole-4,5-dione, 3-methyl-1-phenyl-, 3-methyl-1-phenyl-4,5-dihydro-1H-pyrazole-4,5-dione, 5-methyl-2-phenyl-pyrazole-3,4-dione, 3-methyl-1-phenyl-1,2-diazoline-4,5-dione

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 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione

Which CAS number identifies 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione?
3-Methyl-1-phenyl-1H-pyrazole-4,5-dione is registered under CAS 881-05-0. You may also see it listed as 1H-Pyrazole-4,5-dione, 3-methyl-1-phenyl-, 3-methyl-1-phenyl-4,5-dihydro-1H-pyrazole-4,5-dione, 5-methyl-2-phenyl-pyrazole-3,4-dione. Our catalogue number for this item is ZX-029146.
What are the formula and molar mass of 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione?
For 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione, its formula is C10H8N2O2 and its molar mass is 188.18 g/mol. The systematic (IUPAC) name is 5-methyl-2-phenylpyrazole-3,4-dione. InChIKey WZHUUJNRNMODNQ-UHFFFAOYSA-N lets you match it in any structure database.
How is 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione used in pharmaceutical QC?
3-Methyl-1-phenyl-1H-pyrazole-4,5-dione 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 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione?
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 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione to my country?
Yes. 3-Methyl-1-phenyl-1H-pyrazole-4,5-dione ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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