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High quality, fast turn around customer synthesis of various PEG derivatives. All products are made in our PEGLAB in Boston, USA.
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Home > Products >PEG Derivatives>Thiol Pegylation PEGs
Bulk quantity and other molecular weight PEGs available. Call for details. 1-888-908-8803.

Thiol Pegylation PEG Derivatives
mPEG-Mal, Methoxyl PEG Maleimide, MW 1000, 2000, 5000, 10000, 20000. Purity >95%.
Biotinylated polyethylene glycol (mPEG-Biotin) is an avidine or streptavidin reactive PEG derivatives that can be used to modify biomolecue or other surfaces through biotin-streptavidin interaction. Nanocs biotinylated PEG derivatives have substitution purity over 95%.
Cat. No. Product Description Price/USD
1 g 5 g
PEG2-0001 mPEG-Mal, PEG Maleimide, MW 5000 $280 $840
PEG2-0002 mPEG-Mal, PEG Maleimide, MW 2000 $320 $960
PEG2-0003 mPEG-Mal, PEG Maleimide, MW 1000 $360 $1080
PEG2-0004 mPEG-Mal, PEG Maleimide, MW 10000 $360 $1080
PEG2-0005 mPEG-Mal, PEG Maleimide, MW 20000 $380 $1140
PEG2-0006 mPEG-Mal, PEG Maleimide, MW 30000 $380 $1140
PEG2-0007 mPEG-Mal, PEG Maleimide, MW 40000 $480 $1440
PG1-ML-350 mPEG-Mal, PEG Maleimide, MW 350 $420  
PG1-ML-550 mPEG-Mal, PEG Maleimide, MW 550 $420  
PG1-ML-750 mPEG-Mal, PEG Maleimide, MW 750 $420  
 
Mal-PEG-Mal, Maleimide PEG Maleimide, MW 3400, 10000. Purity>95%.
Cat. No. Product Price/USD
1 g 5 g
PEG7-0042 Mal-PEG-Mal, MW 3400 $360 $1080
PEG7-0044 Mal-PEG-Mal, MW 10000 $360 $1080
 
Maleimide PEG NHS, MW 2000, 3400, 5,000, 10000, etc. Purity>95%.
Cat. No. Product Price/USD
100 mg 500 mg
PEG8-0031 Maleimide PEG NHS, Mal-PEG-NHS, MW 5000 $320 $960
PEG8-0032 Maleimide PEG NHS, Mal-PEG-NHS, MW 3400 $320 $960
PEG8-0033 Maleimide PEG NHS, Mal-PEG-NHS, MW 2000 $380 $1140
PEG8-0034 Maleimide PEG NHS, Mal-PEG-NHS, MW 10000 $320 $960
 
Maleimide PEG Amine, Mal-PEG-NH2, MW 2000, 3400, 5,000, 10000, etc. Purity>95%.
Cat. No. Product Price/USD
100 mg 500 mg
PEG8-0401 Maleimide PEG Amine, Mal-PEG-NH2, MW 5000 $360 $1080
PEG8-0402 Maleimide PEG Amine, Mal-PEG-NH2, MW 3400 $320 $960
PEG8-0403 Maleimide PEG Amine, Mal-PEG-NH2, MW 2000 $380 $1140
PEG8-0404 Maleimide PEG Amine, Mal-PEG-NH2, MW 10000 $380 $1140
 
Maleimide PEG Biotin, MW 2000, 3400, 5,000, 10000, etc. Purity>95%.
Cat. No. Product Price/USD
100 mg 500 mg
PEG5-0041 Maleimide PEG Biotin, Mal-PEG-Biotin, MW 5000 $320 $960
PEG5-0042 Maleimide PEG Biotin, Mal-PEG-Biotin, MW 3400 $320 $960
PEG5-0043 Maleimide PEG Biotin, Mal-PEG-Biotin, MW 2000 $380 $1140
PEG5-0044 Maleimide PEG Biotin, Mal-PEG-Biotin, MW 10000 $360 $1080
 
Maleimide PEG Carboxylic acid, MW 2000, 3400, 5,000, 10000, etc. Purity>95%.
Cat. No. Product Price/USD
100 mg 500 mg
PEG8-0141 Maleimide PEG Carboxyl, Mal-PEG-COOH, MW 5000 $320 $960
PEG8-0142 Maleimide PEG Carboxyl, Mal-PEG-COOH, MW 3400 $320 $960
PEG8-0143 Maleimide PEG Carboxyl, Mal-PEG-COOH, MW 2000 $380 $1140
PEG8-0144 Maleimide PEG Carboxyl, Mal-PEG-COOH, MW 10000 $380 $1140
 
MPEG-OPSS, Methoxyl PEG Orthopyridyl disulfide, MW 5000, 10000, 20000
Orthopyridyl disulfide functionalized polyethylene glycol (mPEG-OPSS) is a thiol (-SH) reactive PEG derivative that can be used to modify protein, peptide or any other surfaces via available thiol (sulfulhydryl) group in cysteine residues to generate a cleavable disulfide bond. OPSS PEGs react with thiol groups at pH 5.0~6.5.
Cat. No. Product Price/USD
100 mg 500 mg
PEG2-0011 mPEG-OPSS,PEG OPSS, MW 5000 $380 $1140
PEG2-0012 mPEG-OPSS,PEG OPSS, MW 2000 $380 $1140
PEG2-0014 mPEG-OPSS,PEG OPSS, MW 10000 $360 $1080
 
OPSS-PEG-NHS, Succinimidyl ester of PEG Orthopyridyl disulfide, MW 3400, 5000, 2000, 10000, 20000
Orthopyridyl disulfide functionalized polyethylene glycol NHS(NHS-PEG-OPSS) is a thiol (-SH) and amino reactive PEG derivative that can be used to modify protein, peptide or any other surfaces via available thiol (sulfulhydryl) group in cysteine residues to generate a cleavable disulfide bond. OPSS PEGs react with thiol groups at pH 5.0~6.5.
OPSS-PEG-NHS
Cat. No. Product Price/USD
100 mg 500 mg
PEG8-0051 OPSS-PEG-NHS, MW 5000 $380 $1140
PEG8-0052 OPSS-PEG-NHS, MW 3400 $360 $1080
PEG8-0053 OPSS-PEG-NHS, MW 2000 $420 $1260
PEG8-0054 OPSS-PEG-NHS, MW 10000 $380 $1140
 
OPSS-PEG-Biotin, Biotin PEG Orthopyridyl disulfide, MW 3400, 5000, 2000.
OPSS-PEG-Biotin
Cat. No. Product Price/USD
100 mg 500 mg
PEG5-0141 OPSS-PEG-BIotin, MW 5000 $380 $1140
PEG5-0142 OPSS-PEG-Biotin, MW 3400 $360 $1080
PEG5-0143 OPSS-PEG-Biotin, MW 2000 $420 $1260
 
OPSS-PEG-NH2, Amino PEG Orthopyridyl disulfide, MW 3400, 5000, 2000.
OPSS-PEG-NH2, OPSS PEG Amine
Cat. No. Product Price/USD
100 mg 500 mg
PG2-OP-AM-5k OPSS-PEG-NH2, MW 5000 $380 $1140
PG2-OP-AM-3k OPSS-PEG-NH2, MW 3400 $360 $1080
PG2-OP-AM-2k OPSS-PEG-NH2, MW 2000 $420 $1260
 
OPSS-PEG-Silane, triethoxyl PEG Orthopyridyl disulfide, MW 3400, 5000, 2000.
OPSS-PEG-Silane
Cat. No. Product Price/USD
100 mg 500 mg
PG2-OP-SL-5k OPSS-PEG-Silane, MW 5000 $380 $1140
PG2-OP-SL-3k OPSS-PEG-Silane, MW 3400 $360 $1080
PG2-OP-SL-2k OPSS-PEG-Silane, MW 2000 $420 $1260
OPSS-PEG-OPSS, MW 3400,10000.Purity >90%. Call for other MW.
Cat. No. Product Price/USD
100 mg 500 mg
PEG7-0062 OPSS-PEG-OPSS, MW 3400 $360 $1080
PEG7-0064 OPSS-PEG-OPSS, MW 10000 $360 $1080


Other Thiol Reactive PEG Derivatives

Thiol PEG, mPEG-SH,MW 1000, 2000, 5000, 10000, 20000
 
To order, please send purchase order either by Fax or Email to
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