MS98

Modify Date: 2025-08-22 11:36:58

MS98 Structure
MS98 structure
Common Name MS98
CAS Number 2376137-31-2 Molecular Weight 1097.84
Density N/A Boiling Point N/A
Molecular Formula C58H81ClN10O7S Melting Point N/A
MSDS N/A Flash Point N/A

 Use of MS98


MS98 is a potent and selective PROTAC AKT degrader. MS98 depletes cellular total AKT (T-AKT) with the DC50 value of 78 nM. MS98 binds to AKT1, AKT2, and AKT3 with Kds of 4 nM, 140 nM, and 8.1 nM, respectively[1].

 Names

Name MS98

 MS98 Biological Activity

Description MS98 is a potent and selective PROTAC AKT degrader. MS98 depletes cellular total AKT (T-AKT) with the DC50 value of 78 nM. MS98 binds to AKT1, AKT2, and AKT3 with Kds of 4 nM, 140 nM, and 8.1 nM, respectively[1].
Related Catalog
Target

Akt1:4 nM ()

Akt2:140 nM ()

Akt3:8.1 nM ()

VHL

In Vitro The von Hippel-Lindau (VHL)-recruiting degrader MS98 is an effective AKT degrader. MS98 selectively induces robust AKT protein degradation, inhibits downstream signaling, and suppresses cancer cell proliferation. MS98 concentration- and time-dependently induces AKT degradation through the ubiquitin-proteasome system (UPS)[1]. MS98 (10 nM-10 μM) effectively inhibits the proliferation in multiple cancer cell lines[1]. MS98 (1 nM-10 μM) concentration-dependently depletes cellular total AKT (T-AKT) with the DC50 value of 78±64 nM[1]. Cell Viability Assay[1] Cell Line: BT474, PC3, and MDA-MB-468 cells Concentration: 10 nM, 100 nM, 1 μM, 10 μM Incubation Time: 5 days Result: Inhibited the cell growth with GI50s of 1.3±0.3 μM, 9.2±1.3 μM, and 3.8±1.2 μM for BT474 cells, PC3 cells, and MDA-MB-468 cells, respectively. Western Blot Analysis[1] Cell Line: BT474 cells Concentration: 1 nM, 3 nM, 10 nM, 30 nM, 100 nM, 300 nM, 1 μM , 3 μM, and 10 μM Incubation Time: 24 hours Result: Potently induced AKT degradation.
In Vivo MS98 (a single intraperitoneal injection at a dose of 50 mg/kg) is bioavailable in mice via IP injection. The maximum plasma concentration (Cmax) reaches approximately 3.5 μM at 2 h, and the plasma concentrations remains above 3 μM over 8 h[1]. Animal Model: Male Swiss albino mice[1] Dosage: Single 50 mg/kg(Pharmacokinetic Analysis) Administration: IP injection over 8 h Result: Bioavailable in mouse PK studies. The Cmax is 3.5 μM at 2 h.
References

[1]. Yu X, et al. Design, Synthesis, and Evaluation of Potent, Selective, and Bioavailable AKT Kinase Degraders. J Med Chem. 2021;64(24):18054-18081.

 Chemical & Physical Properties

Molecular Formula C58H81ClN10O7S
Molecular Weight 1097.84
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