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Home/Compounds/Industrial Chemical/1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
C10H9ClN2O
208.64 g/mol
Industrial Chemical

3H-Pyrazol-3-one, 2-(4-chlorophenyl)-2,4-dihydro-5-methyl-

CAS13024-90-3EC235-884-9
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
Pyrazolone intermediate for dyes and agrochemicals

This compound is a pyrazolone derivative used as an intermediate in the production of dyes and agrochemicals. It features a chlorinated aromatic ring and a heterocyclic core.

Pyrazolone intermediate for dyesPyrazolone intermediate for agrochemicals

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 0.77

2,4-dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one

CAS86-92-0

intermediate for dyes and pigments

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phase transfer catalyst

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2,2'-dibromobiphenyl

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Chemical intermediate for synthesis

ReferenceSame Category

Bismuth(III) oxide

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Pigment and catalyst in industrial applications

ReferenceSame Category

Calcium oxide

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Industrial chemical for manufacturing

Referencesame scaffold

Edaravone

CAS89-25-8

pharmaceutical intermediate

Referencesame scaffold

3-methyl-1-(3'-chlorophenyl)-2-pyrazolin-5-one

CAS90-31-3

pharmaceutical intermediate

Referencesame scaffold

4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzoic acid

CAS60875-16-3

pharmaceutical intermediate

Customs Tariff Classification

The international HS code for 3H-Pyrazol-3-one, 2-(4-chlorophenyl)-2,4-dihydro-5-methyl- (CAS 13024-90-3) 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

2-(4-chlorophenyl)-5-methyl-4H-pyrazol-3-one

InChIKey

WHIXQFSPEDIMGL-UHFFFAOYSA-N

SMILES

CC1=NN(C(=O)C1)C2=CC=C(C=C2)Cl

Synonyms (13)

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