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Rofapitide tetraxetan (FAP-2286) is a high-affinity, selective inhibitor of fibroblast activating protein (FAP) and a DOTA-pseudopeptide with an IC₅₀ of 1.3–2.2 nM. FAP-2286 targets the tumour microenvironment and can be radiolabelled (e.g., with ⁶⁸Ga) for use in positron emission tomography (PET) imaging.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 mg | $596 | In Stock | |
| 5 mg | $1,290 | In Stock | |
| 10 mg | $1,730 | In Stock | |
| 25 mg | $2,580 | In Stock | |
| 50 mg | $3,490 | In Stock |
| Description | Rofapitide tetraxetan (FAP-2286) is a high-affinity, selective inhibitor of fibroblast activating protein (FAP) and a DOTA-pseudopeptide with an IC₅₀ of 1.3–2.2 nM. FAP-2286 targets the tumour microenvironment and can be radiolabelled (e.g., with ⁶⁸Ga) for use in positron emission tomography (PET) imaging. |
| Targets&IC50 | FAP:2.7 nM |
| In vitro | Rofapitide tetraxetan exhibits high affinity for recombinant homo sapiens-derived and murine-derived FAP (KD values ranging between 0.2-4.7 nM) and demonstrates high selectivity in cell-based binding assays. |
| In vivo | Methods: 177Lu-Rofapitide tetraxetan (30MBq/nmol, single dose) was intravenously injected into HEK-FAP tumor-bearing mice, with tumor volume and body weight changes monitored to evaluate the anti-tumor efficacy of Rofapitide tetraxetan. Results: 177Lu-Rofapitide tetraxetan demonstrated significant anti-tumor activity, markedly reducing tumor volume without causing significant body weight loss. |
| Molecular Weight | 1470.77 |
| Formula | C67H99N13O18S3 |
| Cas No. | 2581741-18-4 |
| Smiles | [H][C@@]12CCCN1C(=O)[C@]1([H])CCCN1C(=O)[C@H](CSCc1cc(CSCCNC(=O)CN3CCN(CC(O)=O)CCN(CC(O)=O)CCN(CC(O)=O)CC3)cc(CSC[C@H](NC(=O)[C@H](Cc3ccccc3)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@]([H])(NC2=O)[C@@H](C)O)C(O)=O)c1)NC(=O)CCCCC |
| Color | White |
| Appearance | Solid |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
| Solubility Information | DMSO: ≥ 40 mg/mL H2O: ≥ 80 mg/mL |

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