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4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one

4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one Structure
4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one structure
CAS No.
65287-96-9
Chemical Name:
4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one
Synonyms
4-(2-Hydroxyethyl)-5-methyl-1H-pyrazol-3-ol;4-(2-Hydroxy-ethyl)-5-methyl-2H-pyrazol-3-ol;4-(2-Hydroxyethyl)-5-methyl-1H-pyrazol-3(2H)-one;4-(2-hydroxyethyl)-5-methyl-1,2-dihydropyrazol-3-one;4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one;1,2-Dihydro-4-(2-hydroxyethyl)-5-methyl-3H-pyrazol-3-one;4-(2-hydroxyethyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one;2,3-Dihydro-4-(2-hydroxyethyl)-5-methyl-3-oxo-1H-pyrazole;3H-Pyrazol-3-one, 1,2-dihydro-4-(2-hydroxyethyl)-5-methyl-;1,2-Dihydro-4-(2-hydroxyethyl)-5-methyl-3H-pyrazol-3-one 95+%
CBNumber:
CB6169547
Molecular Formula:
C6H10N2O2
Molecular Weight:
142.16
MDL Number:
MFCD03617956
MOL File:
65287-96-9.mol
TDS File:
TDS
Last updated:2026-09-12 18:53:59
Request For Quotation

4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one Properties

Melting point 185-188
Density 1.169±0.06 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
pka 8.796±0.70(predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302+H312+H332
Precautionary statements  P271-P280
Hazard Codes  Xi
HazardClass  IRRITANT
HS Code  2933119000

4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one price More Price(15)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
aablocks AA00EDXR 4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3h-pyrazol-3-one 95% 65287-96-9 250mg $63 2026-05-28 Buy
aablocks AA00EDXR 4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3h-pyrazol-3-one 95% 65287-96-9 1g $113 2026-05-28 Buy
aablocks AA00EDXR 4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3h-pyrazol-3-one 95% 65287-96-9 5g $429 2026-05-28 Buy
Crysdot CD11078637 4-(2-Hydroxyethyl)-5-methyl-1H-pyrazol-3(2H)-one 95+% 65287-96-9 10g $392 2026-05-26 Buy
TRC H998195 4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one 65287-96-9 500mg $75 2021-12-16 Buy
Product number Packaging Price Buy
AA00EDXR 250mg $63 Buy
AA00EDXR 1g $113 Buy
AA00EDXR 5g $429 Buy
CD11078637 10g $392 Buy
H998195 500mg $75 Buy

4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one Chemical Properties, Uses, Production

4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one synthesis

517-23-7
65287-96-9
Synthesis of 4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one from 2-Acetylbutyrolactone

4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one Preparation Products And Raw materials

Raw materials

2-Acetylbutyrolactone

Preparation Products

4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one Suppliers

Global Suppliers ( 13)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Wuhan Chemwish Technology Co., Ltd 86-027-67849912 sales@chemwish.com China 35884 56
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66113011 13913916777 cfzhang@aikonchem.com China 19902 55
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Wuhan Chemwish Technology Co., Ltd 56
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 55
Amadis Chemical Company Limited 58

65287-96-9 (4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one) Related Search:

4-(2-Hydroxyethyl)-2,5-dimethyl-1,2-dihydro-3H-pyrazol-3-one 4-(2-Hydroxyethyl)-5-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 2-(4-Bromophenyl)-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one 4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one 2-[1-Acetyl-2-(3,4-dichlorophenyl)-5-methyl-3-oxo-2,3-dihydro-1H-pyrazol-4-yl]ethyl acetate
4-(2-Hydroxyethyl)-1-[(4-methoxyphenyl)sulfonyl]-5-methyl-1,2-dihydro-3H-pyrazol-3-one 4-(2-Hydroxyethyl)-5-methyl-1-(phenylsulfonyl)-1,2-dihydro-3H-pyrazol-3-one 4-(2-Hydroxyethyl)-1-[(4-iodophenyl)sulfonyl]-2,5-dimethyl-1,2-dihydro-3H-pyrazol-3-one 1-(4-Fluorobenzoyl)-4-(2-hydroxyethyl)-2,5-dimethyl-1,2-dihydro-3H-pyrazol-3-one 1-[(4-Fluorophenyl)sulfonyl]-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one
1-[(2,5-Dichlorophenyl)sulfonyl]-4-(2-hydroxyethyl)-5-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 1-[(2,4-Dichlorophenyl)sulfonyl]-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one Methyl 2-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-3,3,3-trifluoro-N-(trifluoroacetyl)alaninate Methyl 3,3,3-trifluoro-2-(2,3-dihydro-5-methyl-3-oxo-2-phenylpyrazol-4-yl)-N-(trifluoroacetyl)alaninate 1-(4-Fluorobenzoyl)-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one
1-[(4-Chlorophenyl)sulfonyl]-4-(2-hydroxyethyl)-5-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 2-[2-(4-Fluorophenyl)-5-methyl-3-oxo-2,3-dihydro-1H-pyrazol-4-yl]ethyl 4-fluorobenzenecarboxylate 4-(2-Hydroxyethyl)-2,5-dimethyl-1-[(4-nitrophenyl)sulfonyl]-1,2-dihydro-3H-pyrazol-3-one

1of4

1,2-Dihydro-4-(2-hydroxyethyl)-5-methyl-3H-pyrazol-3-one 2,3-Dihydro-4-(2-hydroxyethyl)-5-methyl-3-oxo-1H-pyrazole 4-(2-hydroxyethyl)-5-methyl-1,2-dihydropyrazol-3-one 4-(2-hydroxyethyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one 4-(2-Hydroxy-ethyl)-5-methyl-2H-pyrazol-3-ol 4-(2-Hydroxyethyl)-5-methyl-1H-pyrazol-3(2H)-one 1,2-Dihydro-4-(2-hydroxyethyl)-5-methyl-3H-pyrazol-3-one 95+% 3H-Pyrazol-3-one, 1,2-dihydro-4-(2-hydroxyethyl)-5-methyl- 4-(2-Hydroxyethyl)-5-methyl-1H-pyrazol-3-ol 4-(2-Hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one 65287-96-9