C10H10N2O
174.2 g/mol
Pharmaceutical IntermediateWarning
Edaravone
CAS89-25-8EC201-891-0
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
Edaravone is a white to off-white crystalline powder used as an intermediate in the synthesis of dyes and pharmaceuticals. It is also employed as a reagent for cyanide detection and as a developer for diazotized direct dyes, with additional applications in textile processing and hair dye formulations.
intermediate for dyes and drugsreagent for cyanide detectiondeveloper for diazotized direct dyes
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.76
2,4-dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
CAS86-92-0
intermediate for dyes and pigments
ReferenceSame Category
1-phenyl-3-carbethoxy-5-pyrazolone
CAS89-33-8
pharmaceutical intermediate
ReferenceSame Category
4-nitrophthalimide
CAS89-40-7
pharmaceutical intermediate
ReferenceSame Category
N-acetylanthranilic acid
CAS89-52-1
pharmaceutical intermediate
ReferenceSame Category
5-Amino-2-chlorobenzoic acid
CAS89-54-3
pharmaceutical intermediate
Referencestereoisomer of
Edaravone D5
CAS1228765-67-0
research compound
Referencesame scaffold
1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
CAS13024-90-3
Pyrazolone intermediate for dyes and agrochemicals
Referencesame scaffold
3-methyl-1-(3'-chlorophenyl)-2-pyrazolin-5-one
CAS90-31-3
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Edaravone (CAS 89-25-8) is 2933.19.
HS code (international, 6-digit)
2933.19
EU CN code (8-digit)
2933 19 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-methyl-2-phenyl-4H-pyrazol-3-one
InChIKey
QELUYTUMUWHWMC-UHFFFAOYSA-N
SMILES
CC1=NN(C(=O)C1)C2=CC=CC=C2
Synonyms (55)
- 4E-901
- Edaravone (USAN/JP18/INN)
- Phenazone impurity A, European Pharmacopoeia (EP)
- (MCI-186)
- 1-Phenyl-3-methylpyrazolone
- 1-Phenyl-3-methylpyrazolone-5
- 1-pheny-3-methyl-5-pyrazolone
- C.I. Developer 1
- Colorex pmp
- Developer Z
- EDARAVONE [MART.]
- Edaravone (MCI-186)
- Edaravone (Standard)
- Jarocol pmp
- MCI-186; Edaravone
- Methylphenylpyrazolone
- Monopyrazolone
- Norantipyrine
- Norphenazone
- PHENAZONE IMPURITY A
- Phenazone impurity A CRS
- Phenylmethylpyrazolone
- Radicava
- Radicava (TN)
- Radicut
- Radicut (TN)
- edaravona
- edaravone
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