Monodispersed polyethylene gylcol linkers with differing reactive functional ends, such as -OH, -NH2, -SH, hydrazides, carboxylic acids, maleimides, and propynes. Different combinations of reactive functional ends provides adaptive functionality and increased reaction selectivity for bioconjugation, modification, crosslinking, and uses as molecular probes.

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biotinylated
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SKU # 4322504

H2N-PEG4-CH2CH2COOH

CAS# 663921-15-1

MW# 265.31

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biomedical engineering
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SKU # 4322503

H2N-PEG3-CH2CH2COOH

CAS# 784105-33-5

MW# 221.25

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biotinylated
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SKU # 4322502

H2N-PEG2-CH2CH2COOH

CAS# 791028-27-8

MW# 177.20

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polyethylene glycol 3350
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SKU # 4322525

H2N-PEG25-CH2CH2COOH

CAS# N/A

MW# 1190.41

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polyethylene glycol 3350
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SKU # 4322528

H2N-PEG28-CH2CH2COOH

CAS# N/A

MW# 1322.56

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polyethylene glycol 3350
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SKU # 4322532

H2N-PEG32-CH2CH2COOH

CAS# N/A

MW# 1498.78

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polyethylene glycol 3350
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SKU # 4322545

H2N-PEG45-CH2CH2COOH

CAS# N/A

MW# 2071.45

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polyethylene glycol 3350
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SKU # 438224

HS-PEG24-CH2COOH

CAS# NA

MW# 1149.38

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polyethylene glycol 3350
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SKU # 437720

N3-PEG20-CH2CH2COOH

CAS# NA

MW# 996.14

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polyethylene glycol 3350
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SKU # 4366404

HO-PEG4-CH2CH3

CAS# 5650-20-4

MW# 222.28

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polyethylene glycol 3350
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SKU # 4366237

N3-PEG37-OH

CAS# NA

MW# 1672.97

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polyethylene glycol 3350
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SKU # 4366235

N3-PEG35-OH

CAS# NA

MW# 1584.87

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