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ChemicalBook >> CAS DataBase List >> Mal-PEG6-COOH

Mal-PEG6-COOH

$29 - $2920
Product name: Mal-PEG6-COOH
CAS: 1334177-79-5
MF: C22H36N2O11
MW: 504.53
EINECS:-0
MDL Number:MFCD21363276
Synonyms:MaleiMide-NH-PEG6-CH2CH2COOH;Mal-amido-PEG6-acid;Maleimide-PEG6-propionic acid;MAL-AMIDO-PEG6-COOH;Mal-NH-PEG6-COOH;Mal-PEG6-COOH;MALEIMIDE-NH-PEG6-;4,7,10,13,16,19-Hexaoxa-22-azapentacosanoic acid, 25-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo-

Price50 Properties Safety Information Description

50 prices

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Brand

aablocks
ACHEMBLOCK
Acrotein
Apolloscientific
Arctom
Biosynth
BroadPharm
ChemPep
ChemScene
dPEG
Iris Biotech GmbH
purepeg
TRC

Package

25mg
50mg
100mg
250mg
0.5g
500mg
1000mg
1g
5G
25G

Manufactureraablocks
Product numberAA009IQG
Product description25-(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo-4,7,10,13,16,19-hexaoxa-22-azapentacosanoic acid 95%
Packaging250mg
Price$43
Updated2026-05-28
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Manufactureraablocks
Product numberAA009IQG
Product description25-(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo-4,7,10,13,16,19-hexaoxa-22-azapentacosanoic acid 95%
Packaging100mg
Price$29
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA009IQG
Product description25-(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo-4,7,10,13,16,19-hexaoxa-22-azapentacosanoic acid 97%
Packaging1g
Price$152
Updated2026-05-28
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ManufacturerACHEMBLOCK
Product numberX209125
Product description3-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid 95%
Packaging1G
Price$240
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberX209125
Product description3-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid 95%
Packaging5G
Price$835
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberX209125
Product description3-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid 95%
Packaging25G
Price$2920
Updated2026-05-27
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ManufacturerAcrotein
Product numberB-1691
Product descriptionMal-CH2CH2CONH-PEG6-CH2CH2COOH 97%
Packaging5g
Price$735
Updated2026-05-25
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ManufacturerAcrotein
Product numberB-1691
Product descriptionMal-CH2CH2CONH-PEG6-CH2CH2COOH 97%
Packaging1g
Price$212.1
Updated2026-05-25
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ManufacturerAcrotein
Product numberB-1691
Product descriptionMal-CH2CH2CONH-PEG6-CH2CH2COOH 97%
Packaging0.5g
Price$141.4
Updated2026-05-25
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ManufacturerApolloscientific
Product numberBIPG1474
Product descriptionMal-amido-PEG6-acid 95%
Packaging250mg
Price$67
Updated2026-06-04
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ManufacturerApolloscientific
Product numberBIPG1474
Product descriptionMal-amido-PEG6-acid 95%
Packaging100mg
Price$45
Updated2026-06-04
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ManufacturerApolloscientific
Product numberBIPG1474
Product descriptionMal-amido-PEG6-acid 95%
Packaging1g
Price$230
Updated2026-06-04
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ManufacturerApolloscientific
Product numberBIPG1474
Product descriptionMal-amido-PEG6-acid
Packaging1g
Price$428
Updated2021-12-16
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ManufacturerApolloscientific
Product numberBIPG1474
Product descriptionMal-amido-PEG6-acid
Packaging500mg
Price$254
Updated2021-12-16
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ManufacturerApolloscientific
Product numberBIPG1474
Product descriptionMal-amido-PEG6-acid 95%
Packaging5g
Price$803
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberBIPG1474
Product descriptionMal-amido-PEG6-acid 95%
Packaging25g
Price$2808
Updated2026-06-04
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA009IQG	25-(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo-4,7,10,13,16,19-hexaoxa-22-azapentacosanoic acid 95%	250mg	$43	2026-05-28	Buy
aablocks	AA009IQG	25-(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo-4,7,10,13,16,19-hexaoxa-22-azapentacosanoic acid 95%	100mg	$29	2026-05-28	Buy
aablocks	AA009IQG	25-(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo-4,7,10,13,16,19-hexaoxa-22-azapentacosanoic acid 97%	1g	$152	2026-05-28	Buy
ACHEMBLOCK	X209125	3-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid 95%	1G	$240	2026-05-27	Buy
ACHEMBLOCK	X209125	3-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid 95%	5G	$835	2026-05-27	Buy
ACHEMBLOCK	X209125	3-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid 95%	25G	$2920	2026-05-27	Buy
Acrotein	B-1691	Mal-CH2CH2CONH-PEG6-CH2CH2COOH 97%	5g	$735	2026-05-25	Buy
Acrotein	B-1691	Mal-CH2CH2CONH-PEG6-CH2CH2COOH 97%	1g	$212.1	2026-05-25	Buy
Acrotein	B-1691	Mal-CH2CH2CONH-PEG6-CH2CH2COOH 97%	0.5g	$141.4	2026-05-25	Buy
Apolloscientific	BIPG1474	Mal-amido-PEG6-acid 95%	250mg	$67	2026-06-04	Buy
Apolloscientific	BIPG1474	Mal-amido-PEG6-acid 95%	100mg	$45	2026-06-04	Buy
Apolloscientific	BIPG1474	Mal-amido-PEG6-acid 95%	1g	$230	2026-06-04	Buy
Apolloscientific	BIPG1474	Mal-amido-PEG6-acid	1g	$428	2021-12-16	Buy
Apolloscientific	BIPG1474	Mal-amido-PEG6-acid	500mg	$254	2021-12-16	Buy
Apolloscientific	BIPG1474	Mal-amido-PEG6-acid 95%	5g	$803	2026-06-04	Buy
Apolloscientific	BIPG1474	Mal-amido-PEG6-acid 95%	25g	$2808	2026-06-04	Buy

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Properties

Boiling point :702.5±60.0 °C(Predicted)
Density :1.241±0.06 g/cm3(Predicted)
storage temp. :Storage temp. 2-8°C
pka :4.28±0.10(Predicted)
form :Solid
color :Off-white to gray
InChI :InChI=1S/C22H36N2O11/c25-19(3-6-24-20(26)1-2-21(24)27)23-5-8-31-10-12-33-14-16-35-18-17-34-15-13-32-11-9-30-7-4-22(28)29/h1-2H,3-18H2,(H,23,25)(H,28,29)
InChIKey :WKTGEZMXNNBFEZ-UHFFFAOYSA-N
SMILES :C(O)(=O)CCOCCOCCOCCOCCOCCOCCNC(=O)CCN1C(=O)C=CC1=O

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	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

Mal-amido-PEG6-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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Suppliers and manufacturers

LAURENT

Mal-NH-PEG6-CH2CH2COOH CAS:1334177-79-5

TargetMol Chemicals Inc.

Mal-amido-PEG6-acid CAS:1334177-79-5

Xian confluore Biological Technology Co., Ltd.

Mal-amido-PEG6-acid CAS:1334177-79-5

9i LLC

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

TargetMol Chemicals Inc.

XIAMEN SINOPEG BIOTECH CO., LTD.

Dideu Industries Group Limited

Nextpeptide Inc

Jilin Chinese Academy of Sciences-yanshen Technology

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Mal-PEG6-COOH

Properties

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Description

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