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ChemicalBook >> CAS DataBase List >> Mal-PEG1-NHS ester

Mal-PEG1-NHS ester

Mal-PEG1-NHS ester price.
  • $44 - $1805
  • Product name: Mal-PEG1-NHS ester
  • CAS: 1807518-72-4
  • MF: C13H14N2O7
  • MW: 310.26
  • EINECS:
  • MDL Number:MFCD26127783
  • Synonyms:Mal-PEG1-NHS ester;CAS_1807518-72-4;Propanoic acid, 3-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethoxy]-, 2,5-dioxo-1-pyrrolidinyl ester;Mal-PEG1-SPA;PROTAC,Antibody-drug conjugates linkers,Inhibitor,inhibit,PROTAC Linkers,Mal-PEG-1-NHS ester,PEG,Linker,ADC Linkers,Mal PEG1 NHS ester,ADC,MalPEG1NHS ester;Mal-PEG1-CH2CH2COONHS;2,5-dioxypyrolidine-1-yl3-(2-(2,5-dioxy-2,5-dihydro-1H-pyridine-1-yl)ethoxy)propanoic acidester;2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate
44 prices
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  • aablocks
  • Acrotein
  • Apolloscientific
  • Arctom
  • Biosynth
  • BroadPharm
  • Chemenu
  • ChemScene
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  • 10mg
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  • 250mg
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  • Manufactureraablocks
  • Product numberAA00I04Z
  • Product description2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95
  • Packaging10mg
  • Price$44
  • Updated2026-05-29
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  • Manufactureraablocks
  • Product numberAA00I04Z
  • Product description2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95
  • Packaging25mg
  • Price$53
  • Updated2026-05-29
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  • Manufactureraablocks
  • Product numberAA00I04Z
  • Product description2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95%
  • Packaging100mg
  • Price$57
  • Updated2026-05-29
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  • Manufactureraablocks
  • Product numberAA00I04Z
  • Product description2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95%
  • Packaging250mg
  • Price$90
  • Updated2026-05-29
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  • Manufactureraablocks
  • Product numberAA00I04Z
  • Product description2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95%
  • Packaging1g
  • Price$179
  • Updated2026-05-29
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  • Manufactureraablocks
  • Product numberAA00I04Z
  • Product description2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95%
  • Packaging5g
  • Price$527
  • Updated2026-05-29
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  • ManufacturerAcrotein
  • Product numberB-1813
  • Product descriptionMal-PEG1-CH2CH2COONHS 97%
  • Packaging0.5g
  • Price$256.67
  • Updated2026-05-25
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  • ManufacturerAcrotein
  • Product numberB-1813
  • Product descriptionMal-PEG1-CH2CH2COONHS 97%
  • Packaging1g
  • Price$429.92
  • Updated2026-05-25
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  • ManufacturerAcrotein
  • Product numberB-1813
  • Product descriptionMal-PEG1-CH2CH2COONHS 97%
  • Packaging0.25g
  • Price$146.67
  • Updated2026-05-25
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  • ManufacturerApolloscientific
  • Product numberBIPG1502
  • Product descriptionMal-PEG1-NHS ester 97%
  • Packaging250mg
  • Price$196
  • Updated2026-06-04
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  • ManufacturerApolloscientific
  • Product numberBIPG1502
  • Product descriptionMal-PEG1-NHS ester 97%
  • Packaging100mg
  • Price$117
  • Updated2026-06-04
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  • ManufacturerApolloscientific
  • Product numberBIPG1502
  • Product descriptionMal-PEG1-NHS ester
  • Packaging100mg
  • Price$623
  • Updated2021-12-16
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  • ManufacturerApolloscientific
  • Product numberBIPG1502
  • Product descriptionMal-PEG1-NHS ester 97%
  • Packaging5g
  • Price$1567
  • Updated2026-06-04
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  • ManufacturerApolloscientific
  • Product numberBIPG1502
  • Product descriptionMal-PEG1-NHS ester 97%
  • Packaging1g
  • Price$423
  • Updated2026-06-04
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  • ManufacturerArctom
  • Product numberHT-12247
  • Product descriptionMal-PEG1-SPA a‰￥95%
  • Packaging1g
  • Price$266
  • Updated2026-05-25
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  • ManufacturerArctom
  • Product numberHT-12247
  • Product descriptionMal-PEG1-SPA a‰￥95%
  • Packaging1g
  • Price$266
  • Updated2026-05-26
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Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00I04Z 2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95 10mg $44 2026-05-29 Buy
aablocks AA00I04Z 2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95 25mg $53 2026-05-29 Buy
aablocks AA00I04Z 2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95% 100mg $57 2026-05-29 Buy
aablocks AA00I04Z 2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95% 250mg $90 2026-05-29 Buy
aablocks AA00I04Z 2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95% 1g $179 2026-05-29 Buy
aablocks AA00I04Z 2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate 95% 5g $527 2026-05-29 Buy
Acrotein B-1813 Mal-PEG1-CH2CH2COONHS 97% 0.5g $256.67 2026-05-25 Buy
Acrotein B-1813 Mal-PEG1-CH2CH2COONHS 97% 1g $429.92 2026-05-25 Buy
Acrotein B-1813 Mal-PEG1-CH2CH2COONHS 97% 0.25g $146.67 2026-05-25 Buy
Apolloscientific BIPG1502 Mal-PEG1-NHS ester 97% 250mg $196 2026-06-04 Buy
Apolloscientific BIPG1502 Mal-PEG1-NHS ester 97% 100mg $117 2026-06-04 Buy
Apolloscientific BIPG1502 Mal-PEG1-NHS ester 100mg $623 2021-12-16 Buy
Apolloscientific BIPG1502 Mal-PEG1-NHS ester 97% 5g $1567 2026-06-04 Buy
Apolloscientific BIPG1502 Mal-PEG1-NHS ester 97% 1g $423 2026-06-04 Buy
Arctom HT-12247 Mal-PEG1-SPA a‰￥95% 1g $266 2026-05-25 Buy
Arctom HT-12247 Mal-PEG1-SPA a‰￥95% 1g $266 2026-05-26 Buy

Properties

Boiling point :488.4±55.0 °C(Predicted)
Density :1.48±0.1 g/cm3(Predicted)
solubility :Soluble in DCM
pka :-2.35±0.20(Predicted)
form :Solid
color :White to off-white
InChI :InChI=1S/C13H14N2O7/c16-9-1-2-10(17)14(9)6-8-21-7-5-13(20)22-15-11(18)3-4-12(15)19/h1-2H,3-8H2
InChIKey :AMRJPIJPLBUEHO-UHFFFAOYSA-N
SMILES :C(ON1C(=O)CCC1=O)(=O)CCOCCN1C(=O)C=CC1=O

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
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
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
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.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.

Description

Mal-PEG1-NHS ester is a PEG linker containing a maleimide group and an NHS ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol.

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