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trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate

trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate structure

CAS No.: 2135443-03-5

Chemical Name:: trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate

Synonyms: TRANS-2-ETH0XYCARB0NYL-1- B0R0NIC ACID PINACOL ESTER;(1R,2R)-2-(Ethoxycarbonyl)cyclopropylboronic Acid Pinacol Ester;trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate;ethyl trans-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropanecarboxylate;ethyl (1R,2R)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropane-1-carboxylate;rel-(1R,2R)-Ethyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropanecarboxylate;rac-ethyl (1R,2R)-2-(tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropane-1-carboxylate, trans;rel-Ethyl (1R,2R)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropane-1-carboxylate;trans-2-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-cyclopropanecarboxylic acid ethyl ester;Cyclopropanecarboxylic acid, 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, ethyl ester, (1R,2R)-rel-

CBNumber:: CB75837938

Molecular Formula:: C12H21BO4

Molecular Weight:: 240.1

MDL Number:: MFCD30721163

MOL File:: 2135443-03-5.mol

Last updated:2025-07-16 09:56:12

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trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate Properties

Boiling point	266.7±33.0 °C(Predicted)
Density	1.04±0.1 g/cm3(Predicted)
storage temp.	Storage temp. -20°C
Appearance	Light yellow to light brown Liquid

trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Aaron Chemicals	AR01ELRY	rac-ethyl(1R,2R)-2-(tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropane-1-carboxylate,trans 95.0%	2135443-03-5	250mg	$1473	2021-12-16	Buy
Aaron Chemicals	AR01ELRY	rac-ethyl(1R,2R)-2-(tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropane-1-carboxylate,trans 95.0%	2135443-03-5	500mg	$2303	2021-12-16	Buy
Aaron Chemicals	AR01ELRY	rac-ethyl(1R,2R)-2-(tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropane-1-carboxylate,trans 95.0%	2135443-03-5	1g	$2944	2021-12-16	Buy

Product number	Packaging	Price	Buy
AR01ELRY	250mg	$1473	Buy
AR01ELRY	500mg	$2303	Buy
AR01ELRY	1g	$2944	Buy

trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate Preparation Products And Raw materials

Raw materials

Preparation Products

trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate Suppliers

Global( 12)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Jilin Chinese Academy of Sciences-yanshen Technology	+undefined18143011203	info@chemextension.com	China	42056	58
Chengdu Feibai Pharmaceutical Co., Ltd.	028-84641798 18782128315	3302391190@qq.com	China	9546	55
Ningbo Benkang jishi Pharmaceutical Technology Co., Ltd.	15990591583		China	6088	58
Birdo (Shanghai) Medical Technology Co., Ltd.	021-58099077-8041 18601625411	sales@birdotech.com	China	9949	58
Taizhou Nanfeng Pharmaceutical Research Institute	nanfengdrug@163.com; 18616377689	nanfengdrug@163.com	China	20009	58
Shanghai Haohong Pharmaceutical Co., Ltd.	400-8210725 4008210725	malulu@leyan.com	China	54999	58
JW & Y Pharmlab Co., Ltd.	021-64340559 13651849907	xinyu_shi@jwypharmlab.com.cn	China	6861	58
Nanjing Shizhou Biology Technology Co.,Ltd	025-85560043 13675144456	sean.lv@synzest.com	China	11438	58
Bide Pharmatech Ltd.	400-1647117 13681763483	product02@bidepharm.com	China	62320	58
Nanjing Bestfluorodrug Pharmaceutical Technology CO.,LTD	025-86755008 17751752005	hszhang@bestfluorodrug.com	China	2802	58

Supplier	Advantage
Jilin Chinese Academy of Sciences-yanshen Technology	58
Chengdu Feibai Pharmaceutical Co., Ltd.	55
Ningbo Benkang jishi Pharmaceutical Technology Co., Ltd.	58
Birdo (Shanghai) Medical Technology Co., Ltd.	58
Taizhou Nanfeng Pharmaceutical Research Institute	58
Shanghai Haohong Pharmaceutical Co., Ltd.	58
JW & Y Pharmlab Co., Ltd.	58
Nanjing Shizhou Biology Technology Co.,Ltd	58
Bide Pharmatech Ltd.	58
Nanjing Bestfluorodrug Pharmaceutical Technology CO.,LTD	58

trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate Spectrum

trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate(2135443-03-5)¹HNMR

trans-ethyl-2-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)cyclopropane-1-carboxylate rac-ethyl (1R,2R)-2-(tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropane-1-carboxylate, trans Cyclopropanecarboxylic acid, 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, ethyl ester, (1R,2R)-rel- TRANS-2-ETH0XYCARB0NYL-1- B0R0NIC ACID PINACOL ESTER rel-Ethyl (1R,2R)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropane-1-carboxylate (1R,2R)-2-(Ethoxycarbonyl)cyclopropylboronic Acid Pinacol Ester rel-(1R,2R)-Ethyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropanecarboxylate ethyl (1R,2R)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropane-1-carboxylate trans-2-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-cyclopropanecarboxylic acid ethyl ester ethyl trans-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropanecarboxylate 2135443-03-5