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Selitrectinib (LOXO-195) is a potent and selective, next-generation TRK inhibitor, with IC50 values of 0.6±0.1 nM, <2.5 nM for TRKA and TRKC, respectively. Selitrectinib (LOXO-195) achieves low nanomolar inhibitory activity against TRKA G595R, TRKC G623R, and TRKA G667C, with IC50s ranging from 2.0-9.8 nM. LOXO-195 demonstrates potent inhibition of cell proliferation in TRK fusion-containing KM12, CUTO-3, and MO-91 cell lines (IC50≤5 nM).
In diverse TRK fusion mouse models, Selitrectinib (LOXO-195) also causes inhibition of tumor growth relative to vehicle at all doses in four TRKA-dependent tumor models, superior to first generation TRK inhibitors, without significant toxicity.
| Molecular Weight | 380.42 |
| Formula | C20H21FN6O |
| CAS Number | 2097002-61-2 |
| Solubility (25°C) | DMSO ≥ 55 mg/mL (Need ultrasonic) |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related Trk Products |
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| GNF-5837
GNF-5837 is a potent pan-Trk inhibitor which display antiproliferative effects in cellular Ba/F3 assays (IC50 values are 7, 9 and 11 nM for cells containing the fusion proteins Tel-TrkC, Tel-TrkB and Tel-TrkA, respectively. |
| GW441756
GW441756 is a potent, selective inhibitor of TrkA with IC50 of 2 nM, with very little activity to c-Raf1 and CDK2. |
| ANA-12
ANA-12 is a potent and selective TrkB antagonist with IC50s of 45.6 nM and 41.1 μM for the high and low affinity sites, respectively. |
| 7,8-Dihydroxyflavone
7,8-Dihydroxyflavone acts as a potent and selective small-molecule agonist of the TrkB receptor (Kd ≈ 320 nM), the main signaling receptor of brain-derived neurotrophic factor (BDNF). |
| Larotrectinib (LOXO-101)
Larotrectinib (LOXO-101) is a potent, ATP competitive TRK inhibitor with IC50s in low nanomolar range for inhibition of all TRK family members in binding and cellular assays, with 100x selectivity over other kinases, with 2 to 20 nM cellular potency against the TRKA, TRKB, and TRKC kinases. |
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