(1R,2R)-2-Hydroxy-1-((R)-3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-1-sulfonic acid
- CAS
- 2762440-11-7
- Formula
- C13H16N2O5S
- MW
- 312.34 g/mol
VQ-035484
Impurity reference standards
Edaravone impurities & reference standards
Characterised Edaravone impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
31reference materials
1isotope-labelled
COAHPLC · NMR · MS on request
(1R,2S)-2-Hydroxy-1-((R)-3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-1-sulfonic acid
- CAS
- 2762440-12-8
- Formula
- C13H16N2O5S
- MW
- 312.34 g/mol
VQ-045006
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one conjugate acid
- CAS
- 75906-09-1
- Formula
- C10H10N2O.H
- MW
- 175.21 g/mol
VQ-012817
2,4-Dihydro-4,4-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-5-methyl-2-phenyl-3H-pyrazol-3-one
- CAS
- 124009-63-8
- Formula
- C30H26N6O3
- MW
- 518.6 g/mol
VQ-025465
![3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol chemical structure](/media/structures/CIJVXSIRUQCTBV-UHFFFAOYSA-N.svg)
3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol
- CAS
- 177415-76-8
- Formula
- C20H18N4O2
- MW
- 346.4 g/mol
VQ-025463
Ethyl 3-(3-methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-ylidene)butanoate
- CAS
- 87343-64-4
- Formula
- C16H18N2O3
- MW
- 286.33 g/mol
VQ-035405
FAQs — Edaravone impurities
Which Edaravone impurities do you supply?
We list 31 Edaravone-related reference materials, including process impurities, degradation products, stable-isotope-labelled standards and related compounds. Each is supplied with a COA, and characterisation data (HPLC, 1H-NMR, MS, IR) can be provided on request.
What are Edaravone impurity standards used for?
They are used for analytical method development and validation, impurity identification and quantification, forced-degradation and stability studies, and to support ANDA, DMF and other regulatory submissions under ICH Q3A/Q3B (and ICH M7 for mutagenic impurities).
Can you synthesise a Edaravone impurity that is not listed?
Yes. Our custom synthesis service can prepare and characterise unlisted impurities, metabolites and labelled analogues from milligram to gram scale. Share the structure or name and required quantity for a quotation.
Request Edaravone impurity standards
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