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Bis-PEG4-t-butyl ester

Bis-PEG4-t-butyl ester structure

CAS No.: 2100306-53-2

Chemical Name:: Bis-PEG4-t-butyl ester

Synonyms: OtBu-PEG4-OtBu;is-PEG4-t-butyl ester;Bis-PEG4-t-butyl ester;COOtBu-PEG4-CH2CH2COOtBu;Di-tert-butyl 4,7,10,13-tetraoxahexadecanedioate;4,7,10,13-Tetraoxahexadecanedioic acid, 1,16-bis(1,1-dimethylethyl) ester

CBNumber:: CB03051643

Molecular Formula:: C20H38O8

Molecular Weight:: 406.51

MDL Number:

MOL File:: 2100306-53-2.mol

Last updated:2025-09-23 08:43:30

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Bis-PEG4-t-butyl ester Properties

Boiling point	452.9±35.0 °C(Predicted)
Density	1.039±0.06 g/cm3(Predicted)
storage temp.	Storage temp. 2-8°C
form	Liquid
color	Colorless to light yellow

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P280-P301+P312-P302+P352-P305+P351+P338

Bis-PEG4-t-butyl ester price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
BroadPharm	BP-23653	Bis-PEG4-t-butylester 97%	2100306-53-2	1g	$450	2021-12-16	Buy

Product number	Packaging	Price	Buy
BP-23653	1g	$450	Buy

Bis-PEG4-t-butyl ester Chemical Properties,Uses,Production

Uses

Bis-PEG4-t-butyl ester is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs[1].

IC 50

PEGs

References

[1] An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562 DOI:10.1016/j.ebiom.2018.09.005

Bis-PEG4-t-butyl ester Preparation Products And Raw materials

Raw materials

Preparation Products

Bis-PEG4-t-butyl ester Suppliers

Global( 25)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Wuhan Borenpharm Co., Ltd	027-65563561 18717150066	3207347307@qq.com	CHINA	1238	58
TargetMol Chemicals Inc.	+1-781-999-5354;	support@targetmol.com	United States	39031	58
Jilin Chinese Academy of Sciences-yanshen Technology	+undefined18143011203	info@chemextension.com	China	42056	58
Xian confluore Biological Technology Co., Ltd.	+86-15680926068	1924344760@confluore.cn	China	2997	58
Hunan HuaTeng Pharmaceutical Co., Ltd.,	400-8592883	sales@huatengsci.com	China	5872	58
Borenpharm Co., Ltd	027-65563561	sales@borenpharm.com	China	1245	55
Xi'an Confluore Biological Technology Co., Ltd.	+86-156-80926068 +86-15680926068	1924344760@qq.com	China	4952	58
Shanghai Jiange Chemical Co., Ltd.	15921040873	1434142450@qq.com	CHINA	7649	58
Shaanxi borno biotechnology co., LTD	+86-13759708231	asherw9@hotmail.com	China	2373	58
Shanghai Haohong Pharmaceutical Co., Ltd.	400-8210725 4008210725	malulu@leyan.com	China	55000	58

Supplier	Advantage
Wuhan Borenpharm Co., Ltd	58
TargetMol Chemicals Inc.	58
Jilin Chinese Academy of Sciences-yanshen Technology	58
Xian confluore Biological Technology Co., Ltd.	58
Hunan HuaTeng Pharmaceutical Co., Ltd.,	58
Borenpharm Co., Ltd	55
Xi'an Confluore Biological Technology Co., Ltd.	58
Shanghai Jiange Chemical Co., Ltd.	58
Shaanxi borno biotechnology co., LTD	58
Shanghai Haohong Pharmaceutical Co., Ltd.	58

View Lastest Price from Bis-PEG4-t-butyl ester manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-09-22	Bis-PEG4-t-butyl ester 2100306-53-2	US $34.00-47.00 / mg			10g	TargetMol Chemicals Inc.
	2025-06-07	Bis-PEG4-t-butyl ester 2100306-53-2	US $0.00 / g	1g	>98.00%	1g	Xian confluore Biological Technology Co., Ltd.

Bis-PEG4-t-butyl ester
2100306-53-2
US $34.00-47.00 / mg
TargetMol Chemicals Inc.

Bis-PEG4-t-butyl ester
2100306-53-2
US $0.00 / g
>98.00%
Xian confluore Biological Technology Co., Ltd.

Bis-PEG4-t-butyl ester Spectrum

Bis-PEG4-t-butyl ester(2100306-53-2)¹HNMR

2100306-53-2(Bis-PEG4-t-butyl ester)Related Search:

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1of4

Bis-PEG4-t-butyl ester OtBu-PEG4-OtBu 4,7,10,13-Tetraoxahexadecanedioic acid, 1,16-bis(1,1-dimethylethyl) ester Di-tert-butyl 4,7,10,13-tetraoxahexadecanedioate COOtBu-PEG4-CH2CH2COOtBu is-PEG4-t-butyl ester 2100306-53-2