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5-(5-Bromo-2-thienyl)-1H-pyrazole

5-(5-Bromo-2-thienyl)-1H-pyrazole structure

CAS No.: 166196-67-4

Chemical Name:: 5-(5-Bromo-2-thienyl)-1H-pyrazole

Synonyms: BUTTPARK 25\03-48;3-(5-BROMO-2-THIENYL)PYRAZOLE;5-(5-Bromothien-2-yl)-1H-pyrazole;3-(5-BROMO-2-THIENYL)-1H-PYRAZOLE;3-(5-Bromothien-2-yl)-1H-pyrazole;5-(5-Bromo-2-thienyl)-1H-pyrazole;1H-Pyrazole, 3-(5-bromo-2-thienyl)-;3-(5-bromothiophen-2-yl)-1H-pyrazole;5-(5-BroMothiophen-2-yl)-1H-pyrazole;2-Bromo-5-(1H-pyrazol-5-yl)thiophene, 3-(5-Bromothien-2-yl)-1H-pyrazole

CBNumber:: CB2160788

Molecular Formula:: C7H5BrN2S

Molecular Weight:: 229.1

MDL Number:: MFCD00120516

MOL File:: 166196-67-4.mol

MSDS File:: SDS

Last updated:2026-09-12 18:50:23

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5-(5-Bromo-2-thienyl)-1H-pyrazole Properties

Melting point	167-168°C
Boiling point	369.3±27.0 °C(Predicted)
Density	1.736±0.06 g/cm3(Predicted)
storage temp.	under inert gas (nitrogen or Argon) at 2–8 °C
pka	12.33±0.10(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302

Precautionary statements

P280-P305+P351+P338

Hazard Codes

Xi,Xn

Risk Statements

HazardClass

IRRITANT

HS Code

2933199090

NFPA 704

	1
2		0

5-(5-Bromo-2-thienyl)-1H-pyrazole price More Price(39)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Apolloscientific	OR32	3-(5-Bromothien-2-yl)-1H-pyrazole ≥95%	166196-67-4	100mg	$30	2026-06-04	Buy
Apolloscientific	OR32	3-(5-Bromothien-2-yl)-1H-pyrazole ≥95%	166196-67-4	250mg	$59	2026-06-04	Buy
Apolloscientific	OR32	3-(5-Bromothien-2-yl)-1H-pyrazole ≥95%	166196-67-4	1g	$141	2026-06-04	Buy
Apolloscientific	OR2308	5-(5-Bromothien-2-yl)-1H-pyrazole ≥95%	166196-67-4	500mg	$78	2026-06-04	Buy
Matrix Scientific	308826	5-(5-Bromothiophen-2-yl)-1H-pyrazole	166196-67-4	250.00mg	$69	2026-05-19	Buy

Product number	Packaging	Price	Buy
OR32	100mg	$30	Buy
OR32	250mg	$59	Buy
OR32	1g	$141	Buy
OR2308	500mg	$78	Buy
308826	250.00mg	$69	Buy

5-(5-Bromo-2-thienyl)-1H-pyrazole Preparation Products And Raw materials

Raw materials

Preparation Products

5-(5-Bromo-2-thienyl)-1H-pyrazole Suppliers

Global Suppliers ( 42)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Wuhan Chemwish Technology Co., Ltd	86-027-67849912	sales@chemwish.com	China	35884	56
Zhengzhou Guancheng Laboratory equipment Sales	0371-88888888 qq272369594;2159423853qq	2723695949@qq.com	China	4990	50
Shanghai Chenzhu Pharmaceutical Co., Ltd.	13162380607	1696175688@qq.com	China	834	55
Shanghai YuanYe Biotechnology Co., Ltd.	15026964105	2881489226@qq.com	China	89667	60
Changzhou Hopschain Chemical Co.,Ltd.	85528066 13775048983	sales@hopschem.com	China	31548	55
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131885	58
Zhengzhou Huiju Chemical Co., Ltd.	0371-55900031 18137872243	3927209986@qq.com	China	9999	55
Shanghai Jizhi Biochemical Technology Co. Ltd.	021-4009004166/18616739031 18616739031	3007523370@qq.com	China	40000	58

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Wuhan Chemwish Technology Co., Ltd	56
Zhengzhou Guancheng Laboratory equipment Sales	50
Shanghai Chenzhu Pharmaceutical Co., Ltd.	55
Shanghai YuanYe Biotechnology Co., Ltd.	60
Changzhou Hopschain Chemical Co.,Ltd.	55
Amadis Chemical Company Limited	58
Zhengzhou Huiju Chemical Co., Ltd.	55
Shanghai Jizhi Biochemical Technology Co. Ltd.	58

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3-(5-BROMO-2-THIENYL)-1H-PYRAZOLE 3-(5-BROMO-2-THIENYL)PYRAZOLE BUTTPARK 25\03-48 2-Bromo-5-(1H-pyrazol-3-yl)thiophene, 5-(5-Bromothien-2-yl)-1H-pyrazole 3-(5-Bromothien-2-yl)-1H-pyrazole 2-Bromo-5-(1H-pyrazol-5-yl)thiophene, 3-(5-Bromothien-2-yl)-1H-pyrazole 5-(5-Bromothien-2-yl)-1H-pyrazole 5-(5-BroMothiophen-2-yl)-1H-pyrazole 3-(5-bromothiophen-2-yl)-1H-pyrazole 1H-Pyrazole, 3-(5-bromo-2-thienyl)- 5-(5-Bromo-2-thienyl)-1H-pyrazole 166196-67-4