OPSS-PEG-COOH
Orthopyridyl Disulfide-Poly(ethylene glycol)-Carboxyl
Catalog # | Pkg Size | Price(USD) | Quantity | Buy this product |
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R-1905 | 500mg | 230.00 | + Add to cart |
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R-1905 | 1g | 350.00 | + Add to cart |
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Product description
Orthopyridyl Disulfide-Poly(ethylene glycol)-Carboxyl, OPSS-PEG-COOH is a linear heterobifunctional PEG reagent with an OPSS and a COOH, Ortho-pyridyl disulfide reacts with thiol group to form a stable disulfide bond while a thiol pyridyl group is released
Appearance | White/Off-white solid or viscous liquid depends on molecular weight |
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PEG Molecular Weight | 350/550/750/1000/2000/3400/5000/10000 |
Substitution of OPSS by NMR | >90% |
Substitution of COOH by NMR | >90% |
Reactive Group | OPSS reacts with SH,COOH can react with NH2,Hydrazide |
Solubility | Chloroform,dichloromethane |
Storage | -20℃, protected from light and moisture |
Transportation | 4-25℃ temperature for up to 3 weeks |
Stability | 1 year |
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