m-PEG1-NHS ester - ≥98% , CAS No.1027371-75-0

CAS: 1027371-75-0 Cat. No.: M596806 Molecular Weight: 201.18
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
2,5-Dioxopyrrolidin-1-yl 3-methoxypropanoate
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
Application
227,228,229
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
M596806-250mg
3
$76.90
1g
M596806-1g
3
$245.90
5g
M596806-5g
2

$657.90

$979.90
Save $322.00 (32.86%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

Protected from light,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

m-PEG1-NHS ester is a PEG derivative containing an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The hydrophilic PEG spacer increases solubility in aqueous media.

Specifications

Synonyms
2, 5-Dioxopyrrolidin-1-yl 3-methoxypropanoate
Specifications & Purity
≥98%
Storage
Protected from light, 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 SmilesCOCCC(=O)ON1C(=O)CCC1=O
IUPAC Name(2,5-dioxopyrrolidin-1-yl) 3-methoxypropanoate
InChIKeyGDPPBYZKFKEXML-UHFFFAOYSA-N
INCHI1S/C8H11NO5/c1-13-5-4-8(12)14-9-6(10)2-3-7(9)11/h2-5H2,1H3
Isomeric SMILES COCCC(=O)ON1C(=O)CCC1=O
Molecular Weight 201.18

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
SuperclassOrganoheterocyclic compounds
ClassPyrrolidines
SubclassPyrrolidones
Intermediate Tree Nodes Not available
Direct ParentPyrrolidine-2-ones
Alternative Parents Dicarboximides  Lactams  Monocarboxylic acids and derivatives  Dialkyl ethers  Azacyclic compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents 2-pyrrolidone - Dicarboximide - Lactam - Carboxylic acid derivative - Dialkyl ether - Ether - Azacycle - Monocarboxylic acid or derivatives - Carbonyl group - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Organic nitrogen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrrolidine-2-ones. These are pyrrolidines which bear a C=O group at position 2 of the pyrrolidine ring.
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.

3 results found

Lot NumberCertificate TypeDateItem
I2512328Certificate of AnalysisJun 27, 2025 M596806
I2512329Certificate of AnalysisJun 27, 2025 M596806
I2512330Certificate of AnalysisJun 27, 2025 M596806
Chemical and Physical Properties
SolubilitySolubility in DCM
SensitivityLight sensitive;Moisture sensitive
Molecular Weight201.180 g/mol
XLogP3-1.000
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count5
Exact Mass201.064 Da
Monoisotopic Mass201.064 Da
Topological Polar Surface Area72.900 Ų
Heavy Atom Count14
Formal Charge0
Complexity246.000
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
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.