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1,3,5PYRAZOLONE

1,3,5PYRAZOLONE structure

CAS No.: 137-44-0

Chemical Name:: 1,3,5PYRAZOLONE

Synonyms: NSC 243823;5-PYRAZOLONE;1,3,5PYRAZOLONE;2-Pyrazolin-5-one;1H-pyrazol-5(4H)-one;1,4-dihydropyrazol-5-one;2,4-Dihydro-pyrazol-3-one;3H-Pyrazol-3-one, 2,4-dihydro-

CBNumber:: CB0174220

Molecular Formula:: C3H4N2O

Molecular Weight:: 84.08

MDL Number:: MFCD00127223

MOL File:: 137-44-0.mol

Last updated:2025-07-04 16:04:00

Product description	Number	Pack Size	Price
5-Pyrazolone >98.0%(GC)	P2563	200mg	$32
5-Pyrazolone >98.0%(GC)	P2563	1g	$92
5-PYRAZOLONE 95.00%	CHM0151131	5MG	$503.04
1H-pyrazol-5(4H)-one 97.19%	CS-W004408	1g	$55
1H-pyrazol-5(4H)-one 97.19%	CS-W004408	5g	$111
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1,3,5PYRAZOLONE Properties

Melting point	268℃
Boiling point	143-144℃ (0.3 Torr)
Density	1.44±0.1 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
form	powder to lump
pka	13.06±0.20(Predicted)
color	White to Light yellow
InChI	InChI=1S/C3H4N2O/c6-3-1-2-4-5-3/h2H,1H2,(H,5,6)
InChIKey	ZRHUHDUEXWHZMA-UHFFFAOYSA-N
SMILES	N1=CCC(=O)N1
CAS DataBase Reference	137-44-0
FDA UNII	W43TJN4CTB

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319

Precautionary statements

P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313

HS Code

2933.19.9000

NFPA 704

	0
2		0

1,3,5PYRAZOLONE price More Price(22)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	P2563	5-Pyrazolone >98.0%(GC)	137-44-0	200mg	$32	2025-07-31	Buy
TCI Chemical	P2563	5-Pyrazolone >98.0%(GC)	137-44-0	1g	$92	2025-07-31	Buy
American Custom Chemicals Corporation	CHM0151131	5-PYRAZOLONE 95.00%	137-44-0	5MG	$503.04	2021-12-16	Buy
ChemScene	CS-W004408	1H-pyrazol-5(4H)-one 97.19%	137-44-0	1g	$55	2021-12-16	Buy
ChemScene	CS-W004408	1H-pyrazol-5(4H)-one 97.19%	137-44-0	5g	$111	2021-12-16	Buy

Product number	Packaging	Price	Buy
P2563	200mg	$32	Buy
P2563	1g	$92	Buy
CHM0151131	5MG	$503.04	Buy
CS-W004408	1g	$55	Buy
CS-W004408	5g	$111	Buy

1,3,5PYRAZOLONE Preparation Products And Raw materials

Raw materials

Preparation Products

1,3,5PYRAZOLONE Suppliers

Global( 76)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-29-81148696 +86-17392712697	1022@dideu.com	China	3996	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29735	60
Blocksynth Pharmaceutical Technology Co.,Ltd	0086-19817745290; +8619817745290	bd@blocksynth.com	China	5661	58
Nextpeptide Inc	+86-0571-81612335 +8613336028439	sales@nextpeptide.com	China	19908	58
SUZHOU SENFEIDA CHEMICAL CO.,LTD	+86-0512-83500002 +8618662433356	3899766280@qq.com	China	26362	58
Nanjing TGpeptide	+86-13347807150	support@tgpeptide.com	China	3279	58
Zibo Hangyu Biotechnology Development Co., Ltd	+86-0533-2185556 +8615965530500	nickzhang@hangyubiotech.com	China	10996	58
HANGZHOU LEAP CHEM CO., LTD.	+86-571-87711850	market18@leapchem.com	China	43339	58
Aladdin Scientific		tp@aladdinsci.com	United States	57505	58
Suzhou ARTK Medchem Co., Ltd.	+86-512-68323658 +86-18168183658	sales1@artkmedchem.com	China	39002	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Capot Chemical Co.,Ltd.	60
Blocksynth Pharmaceutical Technology Co.,Ltd	58
Nextpeptide Inc	58
SUZHOU SENFEIDA CHEMICAL CO.,LTD	58
Nanjing TGpeptide	58
Zibo Hangyu Biotechnology Development Co., Ltd	58
HANGZHOU LEAP CHEM CO., LTD.	58
Aladdin Scientific	58
Suzhou ARTK Medchem Co., Ltd.	58

View Lastest Price from 1,3,5PYRAZOLONE manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2024-10-22	1,3,5PYRAZOLONE 137-44-0	US $17.00 / g	1g	95%	1KG	Career Henan Chemica Co
	2024-07-11	1,3,5PYRAZOLONE 137-44-0	US $0.00-0.00 / KG	1KG	99.0%	1000KG	Shaanxi Dideu Medichem Co. Ltd

1,3,5PYRAZOLONE
137-44-0
US $17.00 / g
95%
Career Henan Chemica Co

1,3,5PYRAZOLONE
137-44-0
US $0.00-0.00 / KG
99.0%
Shaanxi Dideu Medichem Co. Ltd

1,3,5PYRAZOLONE Spectrum

1,3,5PYRAZOLONE(137-44-0)¹HNMR 1,3,5PYRAZOLONE(137-44-0)¹³CNMR

137-44-0(1,3,5PYRAZOLONE)Related Search:

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5-PYRAZOLONE 1,3,5PYRAZOLONE 2-Pyrazolin-5-one 1H-pyrazol-5(4H)-one 3H-Pyrazol-3-one, 2,4-dihydro- NSC 243823 2,4-Dihydro-pyrazol-3-one 1,4-dihydropyrazol-5-one 137-44-0