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Bis-PEG4-t-butyl ester

Bis-PEG4-t-butyl ester Structure
Bis-PEG4-t-butyl ester structure
CAS No.
2100306-53-2
Chemical Name:
Bis-PEG4-t-butyl ester
Synonyms
Di-tert-butyl 4,7,10,13-tetraoxahexadecanedioate;OtBu-PEG4-OtBu;Bis-PEG3-COOtBu;is-PEG4-t-butyl ester;Bis-PEG4-t-butyl ester;COOtBu-PEG4-CH2CH2COOtBu;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
MSDS File:
SDS
Last updated:2026-05-27 17:35:36
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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)  Exclamation Mark (GHS07)
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
ChemScene CS-0148268 Bis-PEG4-t-butyl ester ≥97% 2100306-53-2 100mg $14 2026-06-04 Buy
ChemScene CS-0148268 Bis-PEG4-t-butyl ester ≥97% 2100306-53-2 250mg $24 2026-06-04 Buy
ChemScene CS-0148268 Bis-PEG4-t-butyl ester ≥97% 2100306-53-2 1g $87 2026-06-04 Buy
ChemScene CS-0148268 Bis-PEG4-t-butyl ester ≥97% 2100306-53-2 5g $470 2026-06-04 Buy
aablocks AA019EB7 Di-tert-butyl 4,7,10,13-tetraoxahexadecanedioate 97% 2100306-53-2 100mg $12 2026-05-29 Buy
Product number Packaging Price Buy
CS-0148268 100mg $14 Buy
CS-0148268 250mg $24 Buy
CS-0148268 1g $87 Buy
CS-0148268 5g $470 Buy
AA019EB7 100mg $12 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( 29)Suppliers
Supplier Tel Email Country ProdList Advantage
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Hunan HuaTeng Pharmaceutical Co., Ltd., 400-8592883 15367835770 sales@huatengsci.com China 5869 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 4229 58
Wuhan Borenpharm Co., Ltd 027-65563561 18717150066 3207347307@qq.com CHINA 1238 58
Shanghai Jiange Chemical Co., Ltd. 15921040873 1434142450@qq.com CHINA 7643 58
Changsha Bono New Materials Technology Co., Ltd. 18191076804 asherw9@hotmail.com China 2373 58
Shanghai Haohong Pharmaceutical Co., Ltd. 400-8210725 4008210725 malulu@leyan.com China 54996 58
Guangzhou Hongyuan Chemical Co.,Ltd 15817493340 981810490@qq.com China 1577 58
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd 0431-80514535 19917294565 et@chemextension.com China 5061 58
Supplier Advantage
Bide Pharmatech Ltd. 60
Hunan HuaTeng Pharmaceutical Co., Ltd., 58
Borenpharm Co., Ltd 55
Xi'an Confluore Biological Technology Co., Ltd. 58
Wuhan Borenpharm Co., Ltd 58
Shanghai Jiange Chemical Co., Ltd. 58
Changsha Bono New Materials Technology Co., Ltd. 58
Shanghai Haohong Pharmaceutical Co., Ltd. 58
Guangzhou Hongyuan Chemical Co.,Ltd 58
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd 58

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

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Bis-PEG4-t-butyl ester pictures 2026-04-22 Bis-PEG4-t-butyl ester
2100306-53-2
 $34.00-47.00 10g TargetMol Chemicals Inc.
Bis-PEG4-t-butyl ester pictures 2025-06-07 Bis-PEG4-t-butyl ester
2100306-53-2
 1g >98.00% 1g 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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Bis-PEG4-t-butyl ester OtBu-PEG4-OtBu 4,7,10,13-Tetraoxahexadecanedioic acid, 1,16-bis(1,1-dimethylethyl) ester COOtBu-PEG4-CH2CH2COOtBu is-PEG4-t-butyl ester Di-tert-butyl 4,7,10,13-tetraoxahexadecanedioate Bis-PEG3-COOtBu 2100306-53-2