Bis-PEG3-NHS Ester - ≥95%, used for Applicated in medical research, drug-release, nanotechnology and new materials research, cell culture. In the study of ligand, polypeptide synthesis support, a graft polymer compounds, new materials, and polyethylene gl

CAS: 1314378-16-9 Cat. No.: B181121 Formula: C18H24N2O11 Molecular Weight: 444.39
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
Diethylene glycol 1,2-bis(succinimidyl 3-oxypropionate) | Bis(2,5-dioxopyrrolidin-1-yl) 3,3'-((oxybis(ethane-2,1-diyl))bis(oxy))dipropanoate
Storage
Protected from light,Store at -20°C,Argon charged,Desiccated
Shipped In
Ice chest + Ice pads
Application
Antibody Drug Conjugates(ADC), Drug Delivery, Surface Modification, PEGylation of Protein, Peptide & Oligo
Size
Germany (EU)
USA*
Price
Qty
100mg
B181121-100mg
Made to order · 8–12 wks
€1,672.91
250mg
B181121-250mg
Made to order · 8–12 wks
€84.95
1g
B181121-1g
Made to order · 8–12 wks
€194.29
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C,Argon charged,Desiccated Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

NHS-PEG3-NHS is a noncleavable 3-unit PEG linker used in antibody-drug conjugation (ADC).

Specifications

Synonyms
Diethylene glycol 1,2-bis(succinimidyl 3-oxypropionate) | Bis(2,5-dioxopyrrolidin-1-yl) 3,3'-((oxybis(ethane-2,1-diyl))bis(oxy))dipropanoate
Specifications & Purity
≥95%
Application
Applicated in medical research, drug-release, nanotechnology and new materials research, cell culture. In the study of ligand, polypeptide synthesis support, a graft polymer compounds, new materials, and polyethylene glycol-modified functional coatings an
Storage
Protected from light,Store at -20°C,Argon charged,Desiccated
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesC1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
IUPAC Name(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]propanoate
InChIKeyOPGNUERFYQLUNP-UHFFFAOYSA-N
INCHI1S/C18H24N2O11/c21-13-1-2-14(22)19(13)30-17(25)5-7-27-9-11-29-12-10-28-8-6-18(26)31-20-15(23)3-4-16(20)24/h1-12H2
Isomeric SMILES C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
Molecular Weight 444.39
Reaxy-Rn 29615731
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=29615731&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassDicarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentDicarboxylic acids and derivatives
Alternative Parents Pyrrolidine-2-ones  Dicarboximides  Lactams  Dialkyl ethers  Azacyclic compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Dicarboxylic acid or derivatives - Pyrrolidone - 2-pyrrolidone - Dicarboximide - Pyrrolidine - Lactam - Organoheterocyclic compound - Ether - Dialkyl ether - Azacycle - Organic oxide - Organic oxygen compound - Carbonyl group - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Hydrocarbon derivative - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Molecular Weight444.400 g/mol
XLogP3-2.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count11
Rotatable Bond Count16
Exact Mass444.138 Da
Monoisotopic Mass444.138 Da
Topological Polar Surface Area155.000 Ų
Heavy Atom Count31
Formal Charge0
Complexity619.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
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