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ChemicalBook >> CAS DataBase List >> Mal-PEG8-COOH

Mal-PEG8-COOH

Mal-PEG8-COOH price.
  • $35 - $2630
  • Product name: Mal-PEG8-COOH
  • CAS: 1334177-86-4
  • MF: C26H44N2O13
  • MW: 592.63
  • EINECS:-0
  • MDL Number:MFCD13184956
  • Synonyms:Mal-PEG8-COOH;1-Maleimido-3-oxo-7,10,13,16,19,22,25,28-octaoxa-4-aza-hentriacontan-31-oic acid;MALEIMIDE-NH-PEG8-CH2CH2COOH;Maleimide-PEG8-propionic acid;31-(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)-29-oxo-4,7,10,13,16,19,22,25-octaoxa-28-azahentriacontanoic Acid;Mal-NH-PEG8-COOH;Mal-NH-PEG8-CH2CH2COOH;Mal-NH-PEG8-acid
68 prices
Selected condition:
Brand
  • aablocks
  • ACHEMBLOCK
  • Acrotein
  • AK Scientific
  • Ambeed
  • Apolloscientific
  • Arctom
  • Biosynth
  • BroadPharm
  • Chemenu
  • ChemPep
  • ChemScene
  • dPEG
  • Iris Biotech GmbH
  • purepeg
  • Synthonix
  • TRC
Package
  • 25mg
  • 100mg
  • 250mg
  • 500mg
  • 0.5g
  • 1000mg
  • 1g
  • 5G
  • 10g
  • 25G
  • Manufactureraablocks
  • Product numberAA009IQH
  • Product description4,7,10,13,16,19,22,25-Octaoxa-28-azahentriacontanoic acid, 31-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-29-oxo- >95%
  • Packaging100mg
  • Price$35
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA009IQH
  • Product description4,7,10,13,16,19,22,25-Octaoxa-28-azahentriacontanoic acid, 31-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-29-oxo- 95%
  • Packaging250mg
  • Price$52
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA009IQH
  • Product description4,7,10,13,16,19,22,25-Octaoxa-28-azahentriacontanoic acid, 31-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-29-oxo- 95%
  • Packaging1g
  • Price$103
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX187730
  • Product descriptionMal-amido-PEG8-C2-acid 95%
  • Packaging1G
  • Price$160
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX187730
  • Product descriptionMal-amido-PEG8-C2-acid 95%
  • Packaging5G
  • Price$700
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX187730
  • Product descriptionMal-amido-PEG8-C2-acid 95%
  • Packaging25G
  • Price$2630
  • Updated2026-05-27
  • Buy
  • ManufacturerAcrotein
  • Product numberB-1690
  • Product descriptionMal-CH2CH2CONH-PEG8-CH2CH2COOH 97%
  • Packaging5g
  • Price$591.5
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberB-1690
  • Product descriptionMal-CH2CH2CONH-PEG8-CH2CH2COOH 97%
  • Packaging0.5g
  • Price$83.07
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberB-1690
  • Product descriptionMal-CH2CH2CONH-PEG8-CH2CH2COOH 97%
  • Packaging1g
  • Price$124.6
  • Updated2026-05-25
  • Buy
  • ManufacturerAK Scientific
  • Product number0479AP
  • Product descriptionMal-PEG8-COOH
  • Packaging1g
  • Price$718
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA680616
  • Product description1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oicacid 95%
  • Packaging250mg
  • Price$186
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA680616
  • Product description1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oicacid 95%
  • Packaging1g
  • Price$422
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA680616
  • Product description1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oicacid 95%
  • Packaging100mg
  • Price$117
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberBIPG1475
  • Product descriptionMal-amido-PEG8-acid 95%
  • Packaging250mg
  • Price$81
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberBIPG1475
  • Product descriptionMal-amido-PEG8-acid 95%
  • Packaging100mg
  • Price$59
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberBIPG1475
  • Product descriptionMal-amido-PEG8-acid 95%
  • Packaging1g
  • Price$160
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA009IQH 4,7,10,13,16,19,22,25-Octaoxa-28-azahentriacontanoic acid, 31-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-29-oxo- >95% 100mg $35 2026-05-28 Buy
aablocks AA009IQH 4,7,10,13,16,19,22,25-Octaoxa-28-azahentriacontanoic acid, 31-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-29-oxo- 95% 250mg $52 2026-05-28 Buy
aablocks AA009IQH 4,7,10,13,16,19,22,25-Octaoxa-28-azahentriacontanoic acid, 31-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-29-oxo- 95% 1g $103 2026-05-28 Buy
ACHEMBLOCK X187730 Mal-amido-PEG8-C2-acid 95% 1G $160 2026-05-27 Buy
ACHEMBLOCK X187730 Mal-amido-PEG8-C2-acid 95% 5G $700 2026-05-27 Buy
ACHEMBLOCK X187730 Mal-amido-PEG8-C2-acid 95% 25G $2630 2026-05-27 Buy
Acrotein B-1690 Mal-CH2CH2CONH-PEG8-CH2CH2COOH 97% 5g $591.5 2026-05-25 Buy
Acrotein B-1690 Mal-CH2CH2CONH-PEG8-CH2CH2COOH 97% 0.5g $83.07 2026-05-25 Buy
Acrotein B-1690 Mal-CH2CH2CONH-PEG8-CH2CH2COOH 97% 1g $124.6 2026-05-25 Buy
AK Scientific 0479AP Mal-PEG8-COOH 1g $718 2021-12-16 Buy
Ambeed A680616 1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oicacid 95% 250mg $186 2021-12-16 Buy
Ambeed A680616 1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oicacid 95% 1g $422 2021-12-16 Buy
Ambeed A680616 1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oicacid 95% 100mg $117 2021-12-16 Buy
Apolloscientific BIPG1475 Mal-amido-PEG8-acid 95% 250mg $81 2026-06-04 Buy
Apolloscientific BIPG1475 Mal-amido-PEG8-acid 95% 100mg $59 2026-06-04 Buy
Apolloscientific BIPG1475 Mal-amido-PEG8-acid 95% 1g $160 2026-06-04 Buy

Properties

Boiling point :747.9±60.0 °C(Predicted)
Density :1+-.0.06 g/cm3(Predicted)
storage temp. :Storage temp. -20°C
pka :4.28±0.10(Predicted)
form :Solid-Liquid Mixture
color :Colorless to off-white
InChIKey :ARKUDJPBDMAVBL-UHFFFAOYSA-N
SMILES :C(O)(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CCN1C(=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
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.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Mal-amido-PEG8-acid is a PEG linker containing a maleimide group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. 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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