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Cat. No.: HY-130422

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Tos-PEG4-t-butyl ester

(Synonyms: Tos-PEG4-Boc)

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Tos-PEG4-t-butyl ester (Tos-PEG4-Boc) is a PROTAC linker, which refers to the PEG composition. Tos-PEG4-t-butyl ester (Tos-PEG4-Boc) can be used in the synthesis of a series of PROTACs, such as BI-3663 (HY-111546). BI-3663 is a highly selective PTK2/FAK PROTAC, with cereblon ligands to hijack E3 ligases for PTK2 degradation, and inhibits PTK2 with an IC₅₀ of 18 nM.

For research use only. We do not sell to patients.

CAS No.: 217817-01-1
Formula: C₂₀H₃₂O₈S
Molecular Weight:432.53

Storage:

Pure form -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month

Tos-PEG4-t-butyl ester Chemical Structure

CAS No.: 217817-01-1

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Use of MCE Products

Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity
- Description
- IC₅₀ & Target
Chemical Information
Purity & Documentation
References
Calculators
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Classifications
Bioz

Biological Activity

Description

IC₅₀ & Target

PEGs	Alkyl/ether

All PROTAC Linkers Isoforms :

Chemical Information

CAS No. 217817-01-1
Appearance Liquid (Density: 1.154±0.06 g/cm³)
Molecular Weight 432.53
Formula C₂₀H₃₂O₈S
Color Colorless to light yellow
SMILES

O=C(OC(C)(C)C)CCOCCOCCOCCOS(=O)(C1=CC=C(C)C=C1)=O
Synonyms

Tos-PEG4-Boc
Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Pure form	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (264 KB)
SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

References

[1]. Popow J, et al. Highly Selective PTK2 Proteolysis Targeting Chimeras to Probe Focal Adhesion Kinase Scaffolding Functions. J Med Chem. 2019 Mar 14;62(5):2508-2520. [Content Brief]

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Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

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100 mg

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Biological Activity
- Description
- IC₅₀ & Target
Chemical Information
Purity & Documentation
References

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Tos-PEG4-t-butyl ester

All PROTAC Linkers Isoforms

Biological Activity

Chemical Information

Purity & Documentation

References

Calculators

Help & FAQs

Tos-PEG4-t-butyl ester Related Classifications

HY-130422 Related Classifications