I. [Product Description]
8-arm-PEG-Estrogen is an important organic intermediate. Its unique structure endows it with wide application value in chemical synthesis and plays an important role as a key catalytic intermediate in the field of organic synthesis.

   II. [Product Details]
- **Appearance**: Depending on different molecular weights, it appears as a white/off-white solid or viscous liquid.
- **Stability**: Store it in a refrigerator and avoid repeated freezing and thawing.
- **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 it in a sealed and dry place at a low temperature below 4°C.
- **Note**: To ensure product stability, please make sure to open the package for use after constant temperature drying!

   III. [Application Fields]
1. For the modification research of polymer materials.
2. As a raw material for the preparation of new composite materials.
3. Applied in the research and development of functional coatings.
4. Play a role in the construction of biosensors.
5. Used for phase transfer catalysis in organic synthesis reactions.

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

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

If you have other product needs, please contact us:
- **Landline**: 023-62795528
- **Customer Service Hotline**: 18896157519 | QQ: 3354316092
                    19112925095 | QQ: 3012135199

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