Methyl-PEG12-NHS Ester - ≥97% , CAS No.756525-94-7

CAS: 756525-94-7 Cat. No.: M122060 Molecular Weight: 685.76
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
mPEG11-NHS | Methyl-PEG11-NHS ester | mPEG11-CH2CH2COONHS ester | mPEG11-SPA
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
Application
Antibody Drug Conjugates(ADC), Drug Delivery, Surface Modification, PEGylation of Protein, Peptide & Oligo
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25mg
M122060-25mg
3
$107.90
100mg
M122060-100mg
1
$350.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥97% 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

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 and other aspects of the active compound.

Specifications

Synonyms
mPEG11-NHS | Methyl-PEG11-NHS ester | mPEG11-CH2CH2COONHS ester | mPEG11-SPA
Specifications & Purity
≥97%
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
≥97%
Names and Identifiers
Canonical SmilesCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O
IUPAC Name(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
InChIKeyZMXRHHJWXLKMTL-UHFFFAOYSA-N
INCHI1S/C30H55NO16/c1-35-6-7-37-10-11-39-14-15-41-18-19-43-22-23-45-26-27-46-25-24-44-21-20-42-17-16-40-13-12-38-9-8-36-5-4-30(34)47-31-28(32)2-3-29(31)33/h2-27H2,1H3
Isomeric SMILES COCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O
Alternate CAS 2207596-93-6
Molecular Weight 685.76
Reaxy-Rn 15522743
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=15522743&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
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.

6 results found

Lot NumberCertificate TypeDateItem
E2231067Certificate of AnalysisMar 09, 2026 M122060
L1317027Certificate of AnalysisSep 24, 2025 M122060
E2420262Certificate of AnalysisApr 25, 2024 M122060
E2420311Certificate of AnalysisApr 25, 2024 M122060
E2420313Certificate of AnalysisApr 25, 2024 M122060
E2231066Certificate of AnalysisMar 18, 2022 M122060
Chemical and Physical Properties
SensitivityHeat sensitive;Moisture sensitive;Light sensitive
Molecular Weight685.800 g/mol
XLogP3-2.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count16
Rotatable Bond Count38
Exact Mass685.352 Da
Monoisotopic Mass685.352 Da
Topological Polar Surface Area174.000 Ų
Heavy Atom Count47
Formal Charge0
Complexity731.000
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
Documents & Articles
Citations of This Product
References
1. Chang Ye, Tang Ning, Qu Hemi, Liu Jing, Zhang Daihua, Zhang Hao, Pang Wei, Duan Xuexin.  (2016)  Detection of Volatile Organic Compounds by Self-assembled Monolayer Coated Sensor Array with Concentration-independent Fingerprints.  Scientific Reports,  (1): (1-12).  [PMID:27045012] [10.1038/srep23970]
Solution Calculators
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