I. [Product Description]
Tosylate-PEG-SPDP is a multifunctional organic intermediate that combines the high reactivity of tosylate and the biocompatibility of the PEG chain. It is widely used in the synthesis of pharmaceutical intermediates and catalytic reaction systems. Its SPDP group can achieve controllable coupling through disulfide bonds, which is suitable for the precise construction of biomolecule modification systems.

II. [Product Details]
【Appearance】Depending on different molecular weights, it appears as a white/off-white solid or a viscous liquid.
【Stability】Store under refrigeration and avoid repeated freeze-thaw cycles.
【Solvents】Common organic solvents such as chloroform, dichloromethane, and DMSO.
【Molecular Weight】(PEG): 2000, 3400, 5000. Other molecular weights can be customized.
【Storage Conditions】Store in a sealed, dry container at a low temperature below 4°C.
▪ Precautions: ▶To ensure product stability, please open the package for use only after constant-temperature drying!

III. [Application Fields]
1. Controllable connection of targeting molecules and carriers in bioconjugation reactions.
2. Surface functionalization modification of nanomaterials.
3. Reversible cross-linking research of proteins/peptides.
4. pH-responsive design of drug delivery systems.
5. Directional immobilization of signal probes in biosensors.

Note: The products sold by our company are only for scientific research and cannot be used for human experiments or human treatment.

Chongqing Yusi Pharmaceutical Technology Co., Ltd. is based on an integrated business model of independent R & D-production-sales, providing professional scientific research reagents for university scientific research experiments. Compared with similar products on the market, our company's products have obvious price advantages. In addition, we also offer professional product customization services.

If you need other products, please contact us:
Contact Information:
Landline: 023-62795528
Customer Service Hotline: 19112925095 丨 QQ: 3012135199
                                           18896157519 丨 QQ: 3354316092

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