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NH-(PEG4-t-butyl ester)2

NH-(PEG4-t-butyl ester)2 Structure
NH-(PEG4-t-butyl ester)2 structure
CAS No.
2055041-41-1
Chemical Name:
NH-(PEG4-t-butyl ester)2
Synonyms
1,31-di-tert-butyl 4,7,10,13,19,22,25,28-octaoxa-16-azahentriacontanedioate;HN-(PEG4-CH2CH2COOtBu)2;NH-(PEG4-t-butyl ester)2;NH-bis(PEG4-t-butyl ester);Clindamycin Impurity 33 Hydrochloride;di-tert-butyl 4,7,10,13,19,22,25,28-octaoxa-16-azahentriacontanedioate;Di-tert-butyl 4,7,10,13,19,22,25,28-Octaoxa-16-azahentriacontane-1,31-dioate;4,7,10,13,19,22,25,28-Octaoxa-16-azahentriacontanedioic acid, 1,31-bis(1,1-dimethylethyl) ester;HN-(PEG4-CH2CH2COOtBu)2/4,7,10,13,19,22,25,28-Octaoxa-16-azahentriacontanedioic acid, 1,31-bis(1,1-dimethylethyl) ester
CBNumber:
CB73163082
Molecular Formula:
C30H59NO12
Molecular Weight:
625.79
MDL Number:
MFCD29912666
MOL File:
2055041-41-1.mol
MSDS File:
SDS
Last updated:2026-05-28 03:57:47
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NH-(PEG4-t-butyl ester)2 Properties

Boiling point 625.8±50.0 °C(Predicted)
Density 1.059±0.06 g/cm3(Predicted)
storage temp. 2-8°C, protect from light
solubility Soluble in Water, DMSO, DCM, DMF
pka 8.39±0.19(Predicted)
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-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501

NH-(PEG4-t-butyl ester)2 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
ChemScene CS-0115504 NH-bis(PEG4-Boc) ≥98% 2055041-41-1 50mg $57 2026-06-04 Buy
ChemScene CS-0115504 NH-bis(PEG4-Boc) ≥98% 2055041-41-1 100mg $85 2026-06-04 Buy
ChemScene CS-0115504 NH-bis(PEG4-Boc) ≥98% 2055041-41-1 250mg $171 2026-06-04 Buy
ChemScene CS-0115504 NH-bis(PEG4-Boc) ≥98% 2055041-41-1 1g $428 2026-06-04 Buy
ChemScene CS-0115504 NH-bis(PEG4-Boc) ≥98% 2055041-41-1 5g $1142 2026-06-04 Buy
Product number Packaging Price Buy
CS-0115504 50mg $57 Buy
CS-0115504 100mg $85 Buy
CS-0115504 250mg $171 Buy
CS-0115504 1g $428 Buy
CS-0115504 5g $1142 Buy

NH-(PEG4-t-butyl ester)2 Chemical Properties, Uses, Production

Description

NH-bis(PEG4-t-butyl ester) is a very useful PEG reagent containing an amino group with two t-butyl esters. The amino groups is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde), t-butyl protected carboxyl group can be deprotected under acidic conditions.

Uses

NH-bis(PEG4-Boc) 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

NH-(PEG4-t-butyl ester)2 Preparation Products And Raw materials

Raw materials

Preparation Products

NH-(PEG4-t-butyl ester)2 Suppliers

Global Suppliers ( 47)
Supplier Tel Email Country ProdList Advantage
Borenpharm Co., Ltd 027-65563561 sales@borenpharm.com China 1245 55
Jinan elephant international trading co., LTD 13006575422@163.com China 6347 58
Amatek Scientific Co. Ltd. 0512-56316828 400-867-5858;400-867-5858 info@amateksci.com China 28760 58
Jiaxing Deyi Chemical Co., Ltd. 86-0573-85866609 18367600069 945717149@qq.com China 9507 58
SHANGHAI FDC-CHEMICAL CO.,LTD 021-61469567 13774476675 sales@fdc-chemical.com China 9998 58
Xi'an Confluore Biological Technology Co., Ltd. +86-156-80926068 +86-15680926068 1924344760@qq.com China 4229 58
Alpha Biopharmaceuticals Co., Ltd 0411-39042497 sales@alphabiopharm.com China 1951 58
Jiangsu aikang biomedical research and development co., LTD 025-58859352 17714375163 qzhang@aikonchem.com China 15525 58
Henan Alpha Chemical Co., Ltd. 0371-55055611 18137792234 3957071458@qq.com China 9969 58
TargetMol Chemicals Inc. +1-781-999-5354; +1-00000000000 marketing@targetmol.com United States 32431 58
Supplier Advantage
Borenpharm Co., Ltd 55
Jinan elephant international trading co., LTD 58
Amatek Scientific Co. Ltd. 58
Jiaxing Deyi Chemical Co., Ltd. 58
SHANGHAI FDC-CHEMICAL CO.,LTD 58
Xi'an Confluore Biological Technology Co., Ltd. 58
Alpha Biopharmaceuticals Co., Ltd 58
Jiangsu aikang biomedical research and development co., LTD 58
Henan Alpha Chemical Co., Ltd. 58
TargetMol Chemicals Inc. 58

View Latest Price from NH-(PEG4-t-butyl ester)2 manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
NH-bis(PEG4-t-butyl ester) pictures 2025-06-07 NH-bis(PEG4-t-butyl ester)
2055041-41-1
 1g >95.00% 1g Xian confluore Biological Technology Co., Ltd.

NH-(PEG4-t-butyl ester)2 Spectrum

NH-(PEG4-t-butyl ester)2(2055041-41-1)1HNMR

2055041-41-1 (NH-(PEG4-t-butyl ester)2) Related Search:

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m-PEG3-aldehyde

1of2

HN-(PEG4-CH2CH2COOtBu)2 NH-(PEG4-t-butyl ester)2 NH-bis(PEG4-t-butyl ester) 4,7,10,13,19,22,25,28-Octaoxa-16-azahentriacontanedioic acid, 1,31-bis(1,1-dimethylethyl) ester HN-(PEG4-CH2CH2COOtBu)2/4,7,10,13,19,22,25,28-Octaoxa-16-azahentriacontanedioic acid, 1,31-bis(1,1-dimethylethyl) ester Clindamycin Impurity 33 Hydrochloride Di-tert-butyl 4,7,10,13,19,22,25,28-Octaoxa-16-azahentriacontane-1,31-dioate di-tert-butyl 4,7,10,13,19,22,25,28-octaoxa-16-azahentriacontanedioate 1,31-di-tert-butyl 4,7,10,13,19,22,25,28-octaoxa-16-azahentriacontanedioate 2055041-41-1 C30H59NO12