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4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one

4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one structure

CAS No.: 7721-54-2

Chemical Name:: 4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one

Synonyms: TIMTEC-BB SBB008034;4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one;4-(2-Hydroxyethyl)-3-methyl-1H-pyrazol-5(4H)-one;3H-Pyrazol-3-one, 2,4-dihydro-4-(2-hydroxyethyl)-5-methyl-;4-(2-HYDROXYETHYL)-3-METHYL-2-PYRAZOLIN-5-ONE ---POWDER---

CBNumber:: CB8228273

Molecular Formula:: C6H10N2O2

Molecular Weight:: 142.16

MDL Number:: MFCD00020697

MOL File:: 7721-54-2.mol

Last updated:2026-09-12 18:55:31

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SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P

4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one price More Price(9)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	S350761	4-(2-HYDROXYETHYL)-3-METHYL-2-PYRAZOLIN-5-ONE Aldrich^CPR	7721-54-2	1 unit	$121	2026-04-30	Buy
Sigma-Aldrich	S350761	4-(2-HYDROXYETHYL)-3-METHYL-2-PYRAZOLIN-5-ONE Aldrich	7721-54-2	250mg	$110	2024-03-01	Buy
Biosynth	HAA72154	4-(2-Hydroxyethyl)-3-methyl-4,5-dihydro-1H-pyrazol-5-one	7721-54-2	2.5g	$442.5	2026-06-04	Buy
Matrix Scientific	172163	4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one	7721-54-2	5.00g	$118	2026-05-18	Buy
aablocks	AA008NHG	4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one	7721-54-2	5g	$108	2026-05-28	Buy

Product number	Packaging	Price	Buy
S350761	1 unit	$121	Buy
S350761	250mg	$110	Buy
HAA72154	2.5g	$442.5	Buy
172163	5.00g	$118	Buy
AA008NHG	5g	$108	Buy

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

Raw materials

Preparation Products

4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one Suppliers

Global Suppliers ( 14)

Supplier	Tel	Email	Country	ProdList	Advantage
TCI (Shanghai) Chemical Trading Co., Ltd.	021-61109150	sales@tcisct.com	China	29717	58
Nanjing Shizhou Biology Technology Co.,Ltd	025-85560043 15850508050	rose.shi@synzest.com	China	6204	58
Hangzhou MolCore BioPharmatech Co.,Ltd.	+86-057181025280; +8617767106207	sales@molcore.com	China	49709	58

Supplier	Advantage
TCI (Shanghai) Chemical Trading Co., Ltd.	58
Nanjing Shizhou Biology Technology Co.,Ltd	58
Hangzhou MolCore BioPharmatech Co.,Ltd.	58

7721-54-2 (4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one) Related Search:

4-(2-Hydroxyethyl)-3-methyl-2- pyrazolin-5-one 95% (3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)-acetic acid 4-(4-Chlorophenyl)-2-(3-methyl-5-oxo-1-phenyl(2-pyrazolin-4-yl))-4-oxobutanoic acid 2-[1-(4-Chlorophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]ethyl 2-chloronicotinate 4-(4-Bromophenyl)-2-(3-methyl-5-oxo-1-phenyl(2-pyrazolin-4-yl))-4-oxobutanoic acid

4-(4-(Isopropyl)phenyl)-2-(3-methyl-5-oxo-1-phenyl(2-pyrazolin-4-yl))-4-oxobutanoic acid 4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one 4-(2-Hydroxyethyl)-3-methyl-1-phenyl-2-pyrazolin-5-one 4-(4-Ethoxyphenyl)-2-(3-methyl-5-oxo-1-phenyl(2-pyrazolin-4-yl))-4-oxobutanoic acid 1-(4-Chlorophenyl)-4-(2-hydroxyethyl)-3-methyl-4,5-dihydro-1H-pyrazol-5-one

2-(3-(tert-Butyl)-5-oxo-1-phenyl(2-pyrazolin-4-yl))-4-(4-bromophenyl)-4-oxobutanoic acid 3-Methyl-2-pyrazolin-5-one AKOS 92801 2-[3-methyl-1-(4-methylphenyl)-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]acetic acid

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TIMTEC-BB SBB008034 4-(2-HYDROXYETHYL)-3-METHYL-2-PYRAZOLIN-5-ONE ---POWDER--- 3H-Pyrazol-3-one, 2,4-dihydro-4-(2-hydroxyethyl)-5-methyl- 4-(2-Hydroxyethyl)-3-methyl-1H-pyrazol-5(4H)-one 4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one 7721-54-2