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224,000+ research products · Triple ISO certified · COA & SDS available for every product · Same-day shipping on in-stock items

Maleimide PEG Maleimide, MAL-PEG-MAL - MW 2000 Da

Cat. No.: M163901
COA
Maleimide PEG Maleimide, MAL-PEG-MAL - MW 2000 Da by Aladdin Scientific
AVAILABLE TO ORDER
GRADE & PURITY MW 2000 Da
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
Application
PEGylation of Protein, Peptide & Oligo
★
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
M163901-250mg
2
$36.90
1g
M163901-1g
1
$72.90
Enter a quantity for the sizes you want to add.
Bulk / Custom
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SDS
Safety data
COA
Certificate
DS
Datasheet
SP
Spec sheet
Overview Specifications Documentation Advanced Data Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Documents & Articles Solution Calculators Reviews
🧪

Why this grade

MW 2000 Da 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

Maleimide functionalized polyethylene glycol, Maleimide PEG is a sulfhydryl (thiol/SH) group reactive PEG derivative that can be used to selectively modify protein, peptide or any other surfaces with availablesulfhydryl groups. The reaction between maleimide and thiol proceeds readily at pH 6.5~7.5 to form stable thioether bonds.

Specifications

Specifications & Purity
MW 2000 Da
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.

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

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.

20 results found

Lot NumberCertificate TypeDateItem
L2416572Certificate of AnalysisJun 11, 2026 M163901
K2429540Certificate of AnalysisJun 11, 2026 M163901
E2626177Certificate of AnalysisMay 22, 2026 M163901
E2626175Certificate of AnalysisMay 22, 2026 M163901
D2522330Certificate of AnalysisMay 11, 2026 M163901
D2522332Certificate of AnalysisMay 11, 2026 M163901
D2326708Certificate of AnalysisMay 11, 2026 M163901
D2628442Certificate of AnalysisApr 23, 2026 M163901
D2624514Certificate of AnalysisApr 23, 2026 M163901
D2624513Certificate of AnalysisApr 23, 2026 M163901
D2624512Certificate of AnalysisApr 23, 2026 M163901
L2416571Certificate of AnalysisApr 07, 2026 M163901
D2522331Certificate of AnalysisApr 17, 2025 M163901
L2416658Certificate of AnalysisDec 12, 2024 M163901
L2322178Certificate of AnalysisApr 02, 2024 M163901
D2326704Certificate of AnalysisAug 21, 2023 M163901
D2326714Certificate of AnalysisApr 21, 2023 M163901
D2326709Certificate of AnalysisApr 21, 2023 M163901
F2220392Certificate of AnalysisJun 09, 2022 M163901
F2220393Certificate of AnalysisJun 09, 2022 M163901

Show more ⌵

Chemical and Physical Properties
SolubilityOff-white/white solid or viscous liquid depends on molecule weight;Soluble in regular aqeous solution as well as most organic solvents;
SensitivityLight & Heat &Moisture sensitive
Documents & Articles
General Conjugation Protocols of PEG linkers——PEG Maleimide
Categories: Technical articles
Tags:
Buffer polyethylene glycol maleimide Maleimide stock solution detergent
Solution Calculators
Reviews

Customer Reviews

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