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Maleimide PEG Maleimide, MAL-PEG-MAL - MW 5000 Da

Cat. No.: M163906
COA
Maleimide PEG Maleimide, MAL-PEG-MAL - MW 5000 Da
AVAILABLE TO ORDER
GRADE & PURITY MW 5000 Da
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
Application
229
★
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
M163906-100mg
1

$42.90

$76.90
Save $34.00 (44.21%)
500mg
M163906-500mg
1

$108.90

$199.90
Save $91.00 (45.52%)
Enter a quantity for the sizes you want to add.
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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 5000 Da 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

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 5000 Da
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.

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.

15 results found

Lot NumberCertificate TypeDateItem
I2505362Certificate of AnalysisJun 11, 2026 M163906
E2429558Certificate of AnalysisJun 11, 2026 M163906
C2401378Certificate of AnalysisJun 11, 2026 M163906
G2504561Certificate of AnalysisApr 07, 2026 M163906
L2529227Certificate of AnalysisApr 02, 2026 M163906
L2529230Certificate of AnalysisApr 02, 2026 M163906
I2505363Certificate of AnalysisDec 12, 2025 M163906
G2504545Certificate of AnalysisJun 26, 2025 M163906
H2423274Certificate of AnalysisDec 06, 2024 M163906
H2423275Certificate of AnalysisDec 06, 2024 M163906
E2429560Certificate of AnalysisSep 05, 2024 M163906
E2429559Certificate of AnalysisApr 28, 2024 M163906
C2401377Certificate of AnalysisFeb 19, 2024 M163906
G2203268Certificate of AnalysisOct 20, 2022 M163906
G2203271Certificate of AnalysisJun 09, 2022 M163906

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;
SensitivityMoisture sensitive
Documents & Articles
General Conjugation Protocols of PEG linkers——PEG Maleimide
Categories: Technical articles
Tags:
Buffer polyethylene glycol maleimide Maleimide stock solution detergent
Polyethylene Glycol (PEG) and Its Derivatives: End-Group Design and Applications in PROTACs, ADCs, and Medical Device
Categories: Technical articles
Tags:
Polyethylene Glycol (PEG) PEGylation
Solution Calculators
Reviews

Customer Reviews

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