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ChemicalBook >> CAS DataBase List >> Mono-methyl polyethylene glycol 5'000 2-maleimidoethyl ether

Mono-methyl polyethylene glycol 5'000 2-maleimidoethyl ether

Mono-methyl polyethylene glycol 5'000 2-maleimidoethyl ether price.
  • $61 - $1116
  • Product name: Mono-methyl polyethylene glycol 5'000 2-maleimidoethyl ether
  • CAS: 99126-64-4
  • MF: (C2H4O)nC7H9NO3
  • MW: 0
  • EINECS:
  • MDL Number:MFCD00803681
  • Synonyms:METHOXYPOLYETHYLENE GLYCOL 5,000 MALEIMIDE;O-(2-MALEIMIDOETHYL)-O'-METHYLPOLYETHYLENE GLYCOL 5'000;MONO-METHYL POLYETHYLENE GLYCOL 5,000 2-MALEIMIDO-ETHYL ETHER;mPEG-Mal, 95%, average M.W. 10,000;mPEG-Mal, 95%, average M.W. 2,000;mPEG-Mal, 95%, average M.W. 20,000;mPEG-Mal, 95%, average M.W. 30,000;mPEG-Mal, 95%, average M.W. 4,000
30 prices
Selected condition:
Brand
  • aablocks
  • Arctom
  • Biosynth
  • ChemScene
  • Iris Biotech GmbH
  • Sigma-Aldrich
Package
  • 50mg
  • 100mg
  • 250mg
  • 500mg
  • 1g
  • 1000mg
  • 5g
  • Manufactureraablocks
  • Product numberAA003RFH
  • Product descriptionMethoxypolyethylene Glycol Maleimide
  • Packaging1g
  • Price$158
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003RFH
  • Product descriptionMethoxypolyethylene Glycol Maleimide
  • Packaging250mg
  • Price$103
  • Updated2026-05-28
  • Buy
  • ManufacturerArctom
  • Product numberHT-10023
  • Product descriptionmPEG-Mal ≥95%
  • Packaging5g
  • Price$342
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberHT-10023
  • Product descriptionmPEG-Mal ≥95%
  • Packaging1g
  • Price$152
  • Updated2026-05-26
  • Buy
  • ManufacturerBiosynth
  • Product numberZDA12664
  • Product descriptionmPEG-Mal,20K
  • Packaging1000mg
  • Price$900
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberZDA12664
  • Product descriptionmPEG-Mal,20K
  • Packaging100mg
  • Price$900
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberZDA12664
  • Product descriptionmPEG-Mal,20K
  • Packaging250mg
  • Price$900
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberZDA12664
  • Product descriptionmPEG-Mal,20K
  • Packaging500mg
  • Price$900
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberZDA12664
  • Product descriptionmPEG-Mal,20K
  • Packaging50mg
  • Price$900
  • Updated2026-06-05
  • Buy
  • ManufacturerChemScene
  • Product numberCS-1233314
  • Product descriptionMethoxypolyethylene glycol maleimide 2000 MW2000
  • Packaging250mg
  • Price$61
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-1233314
  • Product descriptionMethoxypolyethylene glycol maleimide 2000 MW2000
  • Packaging1g
  • Price$128
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-1233315
  • Product descriptionMethoxypolyethylene glycol maleimide 750 MW750
  • Packaging1g
  • Price$130
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-1233312
  • Product descriptionMethoxypolyethylene glycol maleimide 10000 MW10000
  • Packaging5g
  • Price$436
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-1233315
  • Product descriptionMethoxypolyethylene glycol maleimide 750 MW750
  • Packaging5g
  • Price$437
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-1233314
  • Product descriptionMethoxypolyethylene glycol maleimide 2000 MW2000
  • Packaging5g
  • Price$440
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-1181553
  • Product descriptionMethoxypolyethylene glycol maleimide 5000 ≥98%
  • Packaging5g
  • Price$231
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003RFH Methoxypolyethylene Glycol Maleimide 1g $158 2026-05-28 Buy
aablocks AA003RFH Methoxypolyethylene Glycol Maleimide 250mg $103 2026-05-28 Buy
Arctom HT-10023 mPEG-Mal ≥95% 5g $342 2026-05-26 Buy
Arctom HT-10023 mPEG-Mal ≥95% 1g $152 2026-05-26 Buy
Biosynth ZDA12664 mPEG-Mal,20K 1000mg $900 2026-06-05 Buy
Biosynth ZDA12664 mPEG-Mal,20K 100mg $900 2026-06-05 Buy
Biosynth ZDA12664 mPEG-Mal,20K 250mg $900 2026-06-05 Buy
Biosynth ZDA12664 mPEG-Mal,20K 500mg $900 2026-06-05 Buy
Biosynth ZDA12664 mPEG-Mal,20K 50mg $900 2026-06-05 Buy
ChemScene CS-1233314 Methoxypolyethylene glycol maleimide 2000 MW2000 250mg $61 2026-06-04 Buy
ChemScene CS-1233314 Methoxypolyethylene glycol maleimide 2000 MW2000 1g $128 2026-06-04 Buy
ChemScene CS-1233315 Methoxypolyethylene glycol maleimide 750 MW750 1g $130 2026-06-04 Buy
ChemScene CS-1233312 Methoxypolyethylene glycol maleimide 10000 MW10000 5g $436 2026-06-04 Buy
ChemScene CS-1233315 Methoxypolyethylene glycol maleimide 750 MW750 5g $437 2026-06-04 Buy
ChemScene CS-1233314 Methoxypolyethylene glycol maleimide 2000 MW2000 5g $440 2026-06-04 Buy
ChemScene CS-1181553 Methoxypolyethylene glycol maleimide 5000 ≥98% 5g $231 2026-06-04 Buy

Properties

Melting point :48-52 °C
Flash point :>110 °C
storage temp. :-20°C
form :solid
color :White to off-white
α-end :methoxy
Ω-end :maleimide
InChI :InChI=1S/C9H13NO4/c1-13-6-7-14-5-4-10-8(11)2-3-9(10)12/h2-3H,4-7H2,1H3
InChIKey :SXUGMTRUWIBRPR-UHFFFAOYSA-N
SMILES :C(N1C(C=CC1=O)=O)CO{-}CC{+n}OC

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Methoxypolyethylene glycol maleimide (MeO-PEG-Mal) is used as a protein pegylation reagent. PEGylation is the process of covalently attaching polyethylene glycol (PEG) polymer chains to other molecule such as proteins.

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