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1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid

1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid structure

CAS No.: 25252-46-4

Chemical Name:: 1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid

Synonyms: 5-Carboxy-1,3-dimethyl-1H-thieno[2,3-c]pyrazole;1,3-dimethylthieno[2,3-c]pyrazole-5-carboxylic acid;1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid;1H-Thieno[2,3-c]pyrazole-5-carboxylic acid, 1,3-dimethyl-;1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid 95%;1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid ,97%;1,3-Dimethyl-1h-thieno[2,3-c]pyrazole-5-carboxylic acid, 95+%;1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid - [D94448]

CBNumber:: CB5317392

Molecular Formula:: C8H8N2O2S

Molecular Weight:: 196.23

MDL Number:: MFCD00126746

MOL File:: 25252-46-4.mol

MSDS File:: SDS

Last updated:2026-09-12 18:53:29

Request For Quotation

1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid Properties

Melting point	316-317
Boiling point	401.5±40.0 °C(Predicted)
Density	1.54±0.1 g/cm3(Predicted)
storage temp.	2-8°C
form	powder
pka	3.44±0.30(Predicted)
color	Off-white

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Hazard Codes

Hazard Note

Irritant

HS Code

29331990

NFPA 704

	0
2		0

1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid price More Price(35)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Apolloscientific	OR23361	1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid 95%	25252-46-4	100mg	$21	2026-06-04	Buy
Apolloscientific	OR23361	1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid 95%	25252-46-4	1g	$64	2026-06-04	Buy
Apolloscientific	OR23361	1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid 95%	25252-46-4	5g	$157	2026-06-04	Buy
Matrix Scientific	132273	1,3-Dimethyl-1H-thieno[2,3-c]-pyrazole-5-carboxylic acid	25252-46-4	5.00g	$1055	2026-05-18	Buy
Matrix Scientific	132273	1,3-Dimethyl-1H-thieno[2,3-c]-pyrazole-5-carboxylic acid	25252-46-4	10.00g	$1710	2026-05-18	Buy

Product number	Packaging	Price	Buy
OR23361	100mg	$21	Buy
OR23361	1g	$64	Buy
OR23361	5g	$157	Buy
132273	5.00g	$1055	Buy
132273	10.00g	$1710	Buy

1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid Chemical Properties, Uses, Production

Chemical Properties

Off- white to brown solid

1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid Preparation Products And Raw materials

Raw materials

Ethyl acetoacetate N,N-Dimethylformamide Potassium hydroxide Thioacetic acid Phosphorus oxitrichloride

Methylhydrazine

1of2

Preparation Products

1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid Suppliers

Global Suppliers ( 70)

Supplier	Tel	Email	Country	ProdList	Advantage
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
JinYan Chemicals(ShangHai) Co.,Ltd.	13817811078	sales@jingyan-chemical.com	China	9963	60
Nanjing Habo Medical Technology Co., Ltd.	13376080562 13376090521	sales@habotech.com	China	724	60
Nanjing Vital Chemical Co., Ltd.	Please Send Email 18652950785	chemweiao@163.com	China	4368	65
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
Shanghai T&W Pharmaceutical Co., Ltd.	+86 21 61551611		China	9874	58
9ding chemical ( Shanghai) Limited	4009209199	sales@9dingchem.com	China	22497	55
Shanghai Yolne Chemical Co., Ltd.	021-62960152	934678158@qq.com	China	9886	55
Shanghai Song Yuan Chemical Technology Co., Ltd.	010-1234567 18521000990	sonyuanchemical@163.com	China	6467	50
Chengdu RunZeBenTu Chemical Co., Ltd	028-88469284 18000562381;	rzbtsj@163.com	China	9939	56

Supplier	Advantage
Alfa Aesar	84
JinYan Chemicals(ShangHai) Co.,Ltd.	60
Nanjing Habo Medical Technology Co., Ltd.	60
Nanjing Vital Chemical Co., Ltd.	65
Thermo Fisher Scientific	75
Shanghai T&W Pharmaceutical Co., Ltd.	58
9ding chemical ( Shanghai) Limited	55
Shanghai Yolne Chemical Co., Ltd.	55
Shanghai Song Yuan Chemical Technology Co., Ltd.	50
Chengdu RunZeBenTu Chemical Co., Ltd	56

View Latest Price from 1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2020-01-10	1,3-dimethylthieno[2,3-c]pyrazole-5-carboxylic acid 25252-46-4	$9.80	1KG	≥98%	20 tons	Career Henan Chemical Co

1,3-dimethylthieno[2,3-c]pyrazole-5-carboxylic acid
25252-46-4
$9.80
≥98%
Career Henan Chemical Co

1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid Spectrum

1,3-DIMETHYL-1H-THIENO[2,3-C]PYRAZOLE-5-CARBOXYLIC ACID(25252-46-4)¹HNMR

25252-46-4 (1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid) Related Search:

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Methyl 1-methyl-3-phenyl-1H-thieno[2,3-c]pyrazole-5-carboxylate Ethyl 1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazole-5-carboxylate 1-(2-Chloro-benzyl)-3-methyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid

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1,3-Dimethyl-1h-thieno[2,3-c]pyrazole-5-carboxylic acid, 95+% 1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid 95% 1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid ,97% 5-Carboxy-1,3-dimethyl-1H-thieno[2,3-c]pyrazole 1,3-dimethylthieno[2,3-c]pyrazole-5-carboxylic acid 1H-Thieno[2,3-c]pyrazole-5-carboxylic acid, 1,3-dimethyl- 1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid - [D94448] 1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid 25252-46-4