I. [Product Description]
4-arm-PEG-NIR-II dyes (Four-arm Polyethylene Glycol-Near-infrared II Dyes) is an important organic intermediate with good chemical stability and optical properties. It is of crucial value in the fields of relevant chemical synthesis and material preparation, and contributes to the progress of multiple scientific research directions.

II. [Product Details]
【Appearance】 Depending on different molecular weights, it appears as a white/off-white solid or a viscous liquid.
【Stability】 Store it under refrigeration and avoid repeated freezing and thawing.
【Solvent】 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.
▪ Precautions: ▶ To ensure product stability, please open the package for use only after constant temperature drying!

III. [Application Fields]
1. Used for the preparation of near-infrared II fluorescent imaging materials.
2. As a key raw material for the synthesis of functional polymers.
3. Applied to the synthesis of specific materials in photodynamic research.
4. Used for the preparation of nanocomposites with special optical properties.

Remarks: 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. operates under 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 provide professional product customization services.

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Contact Information:
Landline: 023-62795528
Customer Service Hotline: 19112925095 丨 QQ: 3012135199
                                           18896157519 丨 QQ: 3354316092
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