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OncoFAP acetate is the highest-affinity small organic fibroblast activation protein (FAP) ligand reported to date, exhibiting a dissociation constant of 680 pM as measured by fluorescence polarization. OncoFAP derivatives, when administered intravenously in both fluorescent and radiolabeled forms, selectively accumulate in FAP-positive tumors while sparing normal tissues, enabling OncoFAP acetate to serve as modular components for targeted therapeutic delivery of radionuclides, CAR-T cells, or cytotoxic agents in oncology studies.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $195 | - | In Stock | |
| 5 mg | $483 | - | In Stock | |
| 10 mg | $691 | - | In Stock | |
| 25 mg | $1,080 | - | In Stock | |
| 50 mg | $1,490 | - | In Stock | |
| 100 mg | $1,960 | - | In Stock | |
| 200 mg | $2,680 | - | In Stock |
| Description | OncoFAP acetate is the highest-affinity small organic fibroblast activation protein (FAP) ligand reported to date, exhibiting a dissociation constant of 680 pM as measured by fluorescence polarization. OncoFAP derivatives, when administered intravenously in both fluorescent and radiolabeled forms, selectively accumulate in FAP-positive tumors while sparing normal tissues, enabling OncoFAP acetate to serve as modular components for targeted therapeutic delivery of radionuclides, CAR-T cells, or cytotoxic agents in oncology studies. |
| In vitro | OncoFAP acetate exhibits low cytotoxicity toward NHC cells (IC50>2.5 mM) [1]. OncoFAP acetate (57-285 μM, 1-4 h) significantly enhances the cellular uptake efficiency of NHC cells [1]. Additionally, OncoFAP acetate demonstrates the ability to improve corneal permeability [1]. |
| In vivo | OncoFAP acetate (570 μM, administered in three doses at 10-minute intervals) was delivered via the conjunctival route, which ensured prolonged retention of OncoFAP acetate in ocular tissues [1]. In the LS174T tumor-bearing mouse model experiment, intravenous injection of OncoFAP acetate at a concentration of 12.5 μM significantly increased the retention rate of single-chain antibodies in the model [2]. |
| Synonyms | OncoFAP acetate (940866-75-1 Free base) |
| Molecular Weight | 2360.87 (free base) |
| Formula | C108H174N36O22S.xC2H4O2 |
| Smiles | OC(CNC(CNC([C@H](CCCCN)NC([C@H](CCCCN)NC([C@H](CC1=CNC2=CC=CC=C12)NC([C@H](CCCCN)NC([C@H](CCSC)NC([C@H](CCCNC(N)=N)NC([C@H](CCCNC(N)=N)NC([C@H](CC(N)=O)NC([C@H](CCC(N)=O)NC([C@H](CC3=CC=CC=C3)NC([C@@H](NC([C@H]([C@@H](C)CC)NC([C@H](CCCCN)NC([C@H]([C@@H](C)CC)NC([C@H](CCC(N)=O)NC([C@@H](N)CCCNC(N)=N)=O)=O)=O)=O)=O)CC4=CNC5=CC=CC=C45)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O.CC(O)=O |
| Color | White |
| Appearance | Solid |
| Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
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