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1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester structure

CAS No.: 133261-07-1

Chemical Name:: 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester

Synonyms: Ethyl 1-Methyl-3-propyl-1H-pyrazole-5-carboxylate;Methisosildenafil Impurity 13;Ethyl 3-propyl-1H-pyrazole-5-carboxylate;Ethyl 2-methyl-5-propyl-pyrazole-3-carboxylate;1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester;1H-Pyrazole-5-carboxylic acid, 1-methyl-3-propyl-, ethyl ester;1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester ,97%

CBNumber:: CB7381698

Molecular Formula:: C10H16N2O2

Molecular Weight:: 196.25

MDL Number:: MFCD08459062

MOL File:: 133261-07-1.mol

MSDS File:: SDS

Last updated:2026-09-12 18:54:55

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1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester Properties

Boiling point	302.0±30.0 °C(Predicted)
Density	1.07±0.1 g/cm3(Predicted)
storage temp.	Store at room temperature
pka	1.03±0.10(Predicted)
Appearance	Colorless to light yellow Liquid

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H227-H315-H319-H335-H402
Precautionary statements	P210-P261-P264-P271-P273-P280-P302+P352-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P370+P378-P403+P233-P403+P235-P405-P501
Safety Statements	24/25
HazardClass	IRRITANT
HS Code	29331990

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
aablocks	AA0014FN	Ethyl 1-Methyl-3-Propyl-1H-Pyrazole-5-Carboxylate 95%	133261-07-1	100mg	$69	2026-05-28	Buy
aablocks	AA0014FN	Ethyl 1-Methyl-3-Propyl-1H-Pyrazole-5-Carboxylate 95%	133261-07-1	250mg	$76	2026-05-28	Buy
aablocks	AA0014FN	Ethyl 1-Methyl-3-Propyl-1H-Pyrazole-5-Carboxylate 95%	133261-07-1	1g	$190	2026-05-28	Buy
aablocks	AA0014FN	Ethyl 1-Methyl-3-Propyl-1H-Pyrazole-5-Carboxylate 95%	133261-07-1	5g	$924	2026-05-28	Buy
ACHEMBLOCK	U129505	ethyl 1-methyl-3-propyl-1H-pyrazole-5-carboxylate 95%	133261-07-1	1G	$230	2026-05-27	Buy

Product number	Packaging	Price	Buy
AA0014FN	100mg	$69	Buy
AA0014FN	250mg	$76	Buy
AA0014FN	1g	$190	Buy
AA0014FN	5g	$924	Buy
U129505	1G	$230	Buy

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester Chemical Properties, Uses, Production

Chemical Properties

Light yellow liquid

Uses

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic Acid Ethyl Ester, is an intermediate for the synthesis of Sildenafil (S435000), a phosphodiesterase V inhibitor.

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester synthesis

Synthesis of 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester from Dimethyl sulfate and Ethyl 3-n-propylpyrazole-5-carboxylate

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester Preparation Products And Raw materials

Raw materials

Ethanol Diethyl oxalate Sodium Sodium ethoxide Diethyl ether

Ethyl acetate Methylhydrazine Sodium hydroxide 2-Pentanone Sulfuric acid

Ethyl 2,4-dioxoheptanoate Ethyl 3-n-propylpyrazole-5-carboxylate

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Preparation Products

1H-Pyrazole-3-carboxylicacid,1-methyl-5-propyl-,ethylester(9CI) 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester Suppliers

Global Suppliers ( 68)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Acorn PharmaTech Co., Ltd.	025-58395930	sales@acornpharma.com	China	982	60
Wuhan TCASChem Technology Co., Ltd.	027-86697669 13986148687	sales@tcaschem.com	China	4000	55
9ding chemical ( Shanghai) Limited	4009209199	sales@9dingchem.com	China	18201	56
Wuhan Chemduro Pharm Tech Co. Ltd.	18040571231/1402788087		China	1972	58
Shanghai ChuangYan Chemical Technology Co., Ltd.	021-11111111 11111111111	546919421@qq.com	China	3769	55
Shanghai HuanChuan Industry Co.,Ltd.	021-61478794	sales@hcshhai.com	China	9781	50
Nanjing Chalf-Pharm Technology Co., Ltd.	025-57018978 18251899859	sales@chalf-pharm.com	China	5855	50
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	025-66028182 17714375163	yftan@aikonchem.com	China	16674	50
Shanghai Xiang Xin Industrial Co., Ltd.	021-50211651 13651607026;	sales@xxgmpharm.com	China	499	58

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Acorn PharmaTech Co., Ltd.	60
Wuhan TCASChem Technology Co., Ltd.	55
9ding chemical ( Shanghai) Limited	56
Wuhan Chemduro Pharm Tech Co. Ltd.	58
Shanghai ChuangYan Chemical Technology Co., Ltd.	55
Shanghai HuanChuan Industry Co.,Ltd.	50
Nanjing Chalf-Pharm Technology Co., Ltd.	50
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	50
Shanghai Xiang Xin Industrial Co., Ltd.	58

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester Spectrum

1-METHYL-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID ETHYL ESTER(133261-07-1)¹HNMR

133261-07-1 (1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester) Related Search:

4-Chloro-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester 1-Ethyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester 4-Bromo-1-ethyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester 1-Ethyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester

1-Methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester 1-Ethyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester 4-Bromo-1-methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester 1-(4-Fluorophenyl)-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester

4-Bromo-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester 4-Bromo-1-(4-fluorophenyl)-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester 1-(4-Fluorophenyl)-4-nitro-3-propyl-5-pyrazolecarboxylic acid ethyl ester 4-Bromo-1-ethyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester 4-Chloro-1-methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester

1-Ethyl-4-nitro-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester 4-Chloro-1-(4-fluorophenyl)-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester 4-Chloro-1-ethyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester

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Ethyl 3-propyl-1H-pyrazole-5-carboxylate 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester ,97% Ethyl 2-methyl-5-propyl-pyrazole-3-carboxylate Methisosildenafil Impurity 13 1H-Pyrazole-5-carboxylic acid, 1-methyl-3-propyl-, ethyl ester Ethyl 1-Methyl-3-propyl-1H-pyrazole-5-carboxylate 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester 133261-07-1