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TCO-PEG4-TFP ester is an amine-reactive labeling reagent used for the modification of proteins, antibodies, and other amine-containing biopolymers. TFP is a reactive ester that demonstrates superior stability during hydrolysis in aqueous media, enhancing the efficiency and reproducibility of biopolymer labeling. The TFP ester of carboxylic acid reacts with primary amines at a rate equivalent to NHS esters, forming a covalent amide bond identical to that produced by the reaction of primary amines with NHS or sulfo-NHS esters.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 10 mg | Inquiry | 10-14 weeks | 10-14 weeks | |
| 50 mg | Inquiry | 10-14 weeks | 10-14 weeks |
| Description | TCO-PEG4-TFP ester is an amine-reactive labeling reagent used for the modification of proteins, antibodies, and other amine-containing biopolymers. TFP is a reactive ester that demonstrates superior stability during hydrolysis in aqueous media, enhancing the efficiency and reproducibility of biopolymer labeling. The TFP ester of carboxylic acid reacts with primary amines at a rate equivalent to NHS esters, forming a covalent amide bond identical to that produced by the reaction of primary amines with NHS or sulfo-NHS esters. |
| Molecular Weight | 565.552 |
| Formula | C26H35F4NO8 |
| Cas No. | 2268817-73-6 |
| Smiles | O=C(OC1CCC=CCCC1)NCCOCCOCCOCCOCCC(=O)OC=2C(F)=C(F)C=C(F)C2F |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
| Size | Quantity | Unit Price | Amount | Operation |
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