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ChemicalBook >> CAS DataBase List >>1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Structure
1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one structure
CAS No.
13024-90-3
Chemical Name:
1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
Synonyms
Einecs 235-884-9;AKOS BBS-00004514;3-Methyl-N-(4'-chlorophenyl)pyrazolone;1-(P-CHLOROPHENYL)-3-METHYL-5-PYRAZOLONE;1-(4-CHLOROPHENYL)-3-METHYL-5-PYRAZOLONE;1-(4-CHLOROPHENYL)-3-METHYL-5-PYRAZOLON&;3-Methyl-1-(4-chlorophenyl)-5-pyrazolone;3-Methyl-N-(4'-chlorophenyl)-5-pyrazolone;1-(4'-Chlorophenyl)-3-Methyl-5-Pyrazolone;1-(4-Chlorophenyl)-3-methyl-5(4H)-pyrazolone
CBNumber:
CB5338643
Molecular Formula:
C10H9ClN2O
Molecular Weight:
208.64
MDL Number:
MFCD00043814
MOL File:
13024-90-3.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-08-28 09:47:35
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1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Properties

Melting point 167-171 °C(lit.)
Boiling point 382.8±25.0 °C(Predicted)
Density 1.32±0.1 g/cm3(Predicted)
pka 2.18±0.50(Predicted)
form powder to crystal
color White to Light yellow to Light orange
CAS DataBase Reference 13024-90-3(CAS DataBase Reference)
EPA Substance Registry System 3H-Pyrazol-3-one, 2-(4-chlorophenyl)-2,4-dihydro-5-methyl- (13024-90-3)

SAFETY

Risk and Safety Statements

Safety Statements  24/25
WGK Germany  3
TSCA  TSCA listed
HS Code  29331990

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical C0953 1-(4-Chlorophenyl)-3-methyl-5-pyrazolone >98.0%(T) 13024-90-3 25g $29 2026-04-30 Buy
TCI Chemical C0953 1-(4-Chlorophenyl)-3-methyl-5-pyrazolone >98.0%(T) 13024-90-3 500g $250 2026-04-30 Buy
Biosynth NAA02490 1-(4-Chlorophenyl)-3-methyl-5-pyrazolone 13024-90-3 0.25g $250 2026-06-04 Buy
Biosynth NAA02490 1-(4-Chlorophenyl)-3-methyl-5-pyrazolone 13024-90-3 2.5g $855.5 2026-06-04 Buy
Chem-Impex 44614 1-(4-Chlorophenyl)-3-methyl-5-pyrazolone ≥98%(Assaybytitration) 13024-90-3 25G $41.56 2026-05-19 Buy
Product number Packaging Price Buy
C0953 25g $29 Buy
C0953 500g $250 Buy
NAA02490 0.25g $250 Buy
NAA02490 2.5g $855.5 Buy
44614 25G $41.56 Buy

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Chemical Properties,Uses,Production

Chemical Properties

light yellow crystals

Uses

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one is used as an intermediate in dyes, pigments, pharmaceuticals, and pesticides. Primarily used as a coupling component in the organic synthesis of Acid Orange 87, 88, and other varieties. Also used as an intermediate in neutral dyes to manufacture Neutral Brilliant Yellow 3GL, Neutral Orange RL, Neutral Dark Brown BRL, etc.

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Preparation Products And Raw materials

Raw materials

4-Chlorophenylhydrazine hydrochloride Acetoacetamide 4-Chlorophenylhydrazine

Preparation Products

Acid Orange 88 Acid Brown 21 Acid orange 87

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Suppliers

Global( 159)Suppliers
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14098 59
Shanghai Longsheng chemical Co.,Ltd. 58099637 13585536065 sales@shlschem.com China 9880 59
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Sichuan Kulinan Technology Co., Ltd 400-1166-196 18981987031 cdhxsj@163.com China 11674 57
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 452520369 sales@maya-r.com China 11693 57
Shanghai civi chemical technology co.,Ltd 86-21-34053660 sale@labgogo.com China 9853 52
Supplier Advantage
J & K SCIENTIFIC LTD. 76
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Adamas Reagent, Ltd. 59
Shanghai Longsheng chemical Co.,Ltd. 59
Shanghai Hanhong Scientific Co.,Ltd. 64
Sichuan Kulinan Technology Co., Ltd 57
Tianjin heowns Biochemical Technology Co., Ltd. 57
Maya High Purity Chemicals 57
Shanghai civi chemical technology co.,Ltd 52

View Lastest Price from 1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one pictures 2025-12-24 1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
13024-90-3
 $558.00 1KG 98.0% 1T Shaanxi Dideu Medichem Co. Ltd
1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one pictures 2020-01-03 1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
13024-90-3
 $6.60 1KG 97%-99% 1kg -1000kg Career Henan Chemical Co

13024-90-3(1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one)Related Search:

Methyl acetate Kresoxim-methyl Cefazolin sodium salt Methyl salicylate Tribenuron methyl
Cefazolin 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one Thiophanate-methyl Metsulfuron methyl Methyl
Oxymetazoline hydrochloride Parathion-methyl Methyl bromide 1-(3-CHLOROPHENYL)-3-METHYL-2-PYRAZOLIN-5-ONE,1-(M-CHLOROPHENYL)-3-METHYL-2-PYRAZOLIN-5-ONE 1-(3-CHLOROPHENYL)-3-METHYL-2-PYRAZOLIN-5-ONE,1-(M-CHLOROPHENYL)-3-METHYL-2-PYRAZOLIN-5-ONE
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2-(4-Chloro-phenyl)-5-methyl-2,4-dihydro-pyrazol-3-one 2-(4-Chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one 1-(4-Chlorophenyl)-3-methyl-5-pyrazolone, 3-Methyl-1-(4-chlorophenyl)-5-pyrazolone, 2-(4-Chlorophenyl)-2,4-dihydro-5-methyl-3H-pyrazol-3-one 3-Methyl-N-(4'-chlorophenyl)-5-pyrazolone 1-(4-Chlorophenyl)-3-methyl-1H-pyrazole-5(4H)-one 1-(4-Chlorophenyl)-3-methyl-5(4H)-pyrazolone 2-(4-Chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazole-3-one 3H-Pyrazol-3-one, 2-(4-chlorophenyl)-2,4-dihydro-5-methyl- Einecs 235-884-9 1-(4-Chlorophenyl)-3-Methyl-2-pyrazolin-5-one (4CMP) 2-(4-Chlorophenyl)-5-Methyl-1H-pyrazol-3(2H)-one 2-(4-chlorophenyl)-5-methyl-3-pyrazol-2-iumone 2-(4-chlorophenyl)-2,4-dihydro-5-methyl-3h-pyrazol-3-on AKOS BBS-00004514 1-(P-CHLOROPHENYL)-3-METHYL-2-PYRAZOLIN-5-ONE 1-(P-CHLOROPHENYL)-3-METHYL-5-PYRAZOLONE 1-(4-CHLOROPHENYL)-3-METHYL-5-PYRAZOLONE 2-(4-chlorophenyl)-2,4-dihydro-5-methyl-3H-pyrazol-3-one 1-(4-chlorophenyl)-3-methyl-1H-pyrazol-5(4H)-one 1-(4-CHLOROPHENYL)-3-METHYL-5-PYRAZOLON& 1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one 3-Methyl-N-(4'-chlorophenyl)pyrazolone 1-(4-Chlorophenyl)-3-methyl-5-pyrazolone > 1-(4'-Chlorophenyl)-3-Methyl-5-Chloro Pyrazole 3-Methyl-1-(4-chlorophenyl)-5-pyrazolone 1-(4'-Chlorophenyl)-3-Methyl-5-Pyrazolone 1-(4-Chlorophenyl)-3-methyl-5-pyrazolone(4CPMP) 13024-90-3 13024-90-4 Pyrazoles Halogenated Heterocycles Heterocyclic Building Blocks Building Blocks Intermediates of Dyes and Pigments