Bis-PEG10-NHS ester - ≥98% , CAS No.2221949-02-4

CAS: 2221949-02-4 Cat. No.: B596578 Molecular Weight: 752.76 PubChem CID: 91757829
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25mg
B596578-25mg
3
$139.90
100mg
B596578-100mg
2
$279.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged 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

Bis-PEG10-NHS ester is a PEG derivative containing two NHS ester groups. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

Specifications

Specifications & Purity
≥98%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesC1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
IUPAC Name(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
InChIKeyDWCKFVMHVUBCKY-UHFFFAOYSA-N
INCHI1S/C32H52N2O18/c35-27-1-2-28(36)33(27)51-31(39)5-7-41-9-11-43-13-15-45-17-19-47-21-23-49-25-26-50-24-22-48-20-18-46-16-14-44-12-10-42-8-6-32(40)52-34-29(37)3-4-30(34)38/h1-26H2
Isomeric SMILES C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
Alternate CAS 2221949-02-4
PubChem CID 91757829
Molecular Weight 752.76

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:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
G2403129Certificate of AnalysisMay 17, 2024 B596578
G2403130Certificate of AnalysisMay 17, 2024 B596578
G2403232Certificate of AnalysisMay 17, 2024 B596578
G2403233Certificate of AnalysisMay 17, 2024 B596578
Chemical and Physical Properties
SensitivityHeat and moisture sensitive
Molecular Weight752.800 g/mol
XLogP3-3.400
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count18
Rotatable Bond Count37
Exact Mass752.322 Da
Monoisotopic Mass752.322 Da
Topological Polar Surface Area220.000 Ų
Heavy Atom Count52
Formal Charge0
Complexity935.000
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
Solution Calculators
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