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$198.00
Methoxy-PEG-(CH2)2NHCO(CH2)2-MAL, Mw 30,000

$231.00

Methoxy-PEG-(CH2)2NHCO(CH2)2-MAL, Mw 40,000
Chemical Name: α-[2-(3-Maleimido-1-oxopropyl)amino]ethyl-ω-methoxy, polyoxyethylene
CAS#: 724722-89-8

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$165.00

Methoxy-PEG-(CH2)2NHCO(CH2)2-MAL, Mw 10,000
Chemical Name: α-[2-(3-Maleimido-1-oxopropyl)amino]ethyl-ω-methoxy, polyoxyethylene
CAS#: 724722-89-8

*: make-to-order


4arm PEG, -((CH2)2O-CO-p-C6H4-Hydroximoyl chloride)4, Mw 10,000
Chemical Name: Pentaerythritol tetra{4-[chloro(hydroxyimino)methyl]phenylcarbonyl}-polyoxyethylene

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$55.00
4arm PEG, -((CH2)3-NH2)4, Mw 10,000
Chemical Name: Pentaerythritol tetra(aminopropyl) polyoxyethylene
CAS#: 804514-67-8
In stock

$55.00

4arm PEG, -((CH2)3-NH2)4, Mw 5,000
Chemical Name: Pentaerythritol tetra(aminopropyl) polyoxyethylene
CAS#: 804514-67-8

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In stock

$66.00

4arm PEG, -((CH2)2-NH2)4, Mw 40,000
Chemical Name: Pentaerythritol tetra(aminoethyl) polyoxyethylene
CAS#: 169501-65-9

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$55.00

4arm PEG, -((CH2)2-NH2)4, Mw 20,000
Chemical Name: Pentaerythritol tetra(aminoethyl) polyoxyethylene
CAS#: 169501-65-9

*: make-to-order