EGNHS

Modify Date: 2026-07-07 03:57:04

EGNHS Structure
EGNHS structure
Common Name EGNHS
CAS Number 70539-42-3 Molecular Weight 456.35800
Density 1.52g/cm3 Boiling Point 603.4ºC at 760 mmHg
Molecular Formula C18H20N2O12 Melting Point N/A
MSDS USA Flash Point 318.7ºC

 Use of EGNHS


EGNHS is an alkyl/ether-based PROTAC linker that can be used in the synthesis of PROTACs[1].

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate
Synonym More Synonyms

 EGNHS Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description EGNHS is an alkyl/ether-based PROTAC linker that can be used in the synthesis of PROTACs[1].
Related Catalog
Target

Alkyl/ether

In Vitro PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins[1].
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

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.52g/cm3
Boiling Point 603.4ºC at 760 mmHg
Molecular Formula C18H20N2O12
Molecular Weight 456.35800
Flash Point 318.7ºC
Exact Mass 456.10200
PSA 179.96000
Index of Refraction 1.56
InChIKey QLHLYJHNOCILIT-UHFFFAOYSA-N
SMILES O=C(CCC(=O)ON1C(=O)CCC1=O)OCCOC(=O)CCC(=O)ON1C(=O)CCC1=O

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
RIDADR NONH for all modes of transport

 Articles38

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Mitochondrial ATF2 translocation contributes to apoptosis induction and BRAF inhibitor resistance in melanoma through the interaction of Bim with VDAC1.

Oncotarget 6 , 36338-53, (2015)

The mitochondrial accumulation of ATF2 is involved in tumor suppressor activities via cytochrome c release in melanoma cells. However, the signaling pathways that connect mitochondrial ATF2 accumulati...

Functionally distinct patterns of nucleosome remodeling at enhancers in glucocorticoid-treated acute lymphoblastic leukemia.

Epigenetics Chromatin 8 , 53, (2015)

Precise nucleosome positioning is an increasingly recognized feature of promoters and enhancers, reflecting complex contributions of DNA sequence, nucleosome positioning, histone modification and tran...

Epigenetic Control of the Bone-master Runx2 Gene during Osteoblast-lineage Commitment by the Histone Demethylase JARID1B/KDM5B.

J. Biol. Chem. 290 , 28329-42, (2015)

Transcription factor Runx2 controls bone development and osteoblast differentiation by regulating expression of a significant number of bone-related target genes. Here, we report that transcriptional ...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

EGS
MFCD00049057
Peg-SS
EGBSS

 EGNHS | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the English name of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate?
A: The English name of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate is 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate.
Q: What is the SMILES notation of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate?
A: SMILES notation of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate is O=C(CCC(=O)ON1C(=O)CCC1=O)OCCOC(=O)CCC(=O)ON1C(=O)CCC1=O.
Q: What are the uses of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate?
A: Main uses of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate: EGNHS is an alkyl/ether-based PROTAC linker that can be used in the synthesis of PROTACs[1].
Q: What is the molecular weight of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate?
A: Molecular weight of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate is 456.35800.
Q: What is the polar surface area (PSA) of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate?
A: Polar surface area (PSA) of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate is 179.96000.
Q: What English synonyms does 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate have?
A: English synonyms of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate: EGS, MFCD00049057, Peg-SS, EGBSS.
Q: What is the molecular formula of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate?
A: Molecular formula of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate is C18H20N2O12.
Q: What is the boiling point of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate?
A: Boiling point of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate is 603.4ºC at 760 mmHg.
Q: What is the CAS number of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate?
A: CAS number of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate is 70539-42-3.
Q: What is the InChIKey of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate?
A: InChIKey of 4-O-(2,5-dioxopyrrolidin-1-yl) 1-O-[2-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutanoyl]oxyethyl] butanedioate is QLHLYJHNOCILIT-UHFFFAOYSA-N.

 EGNHSfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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