All Photos(1)
Synonym(s):
(S)-N-(1-cyclopropyl-2,2,2-trifluoroethyl)-4-(6-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidin-3-yl)thiophene-2-carboxamide, N-[(1S)-1-Cyclopropyl-2,2,2-trifluoroethyl]-4-[6-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidin-3-yl]-2-thiophenecarboxamide, ULK 101, ULK101
Empirical Formula (Hill Notation):
C22H16F4N4OS
CAS Number:
Molecular Weight:
460.45
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77
Recommended Products
Quality Level
assay
≥98% (HPLC)
form
powder
color
white to beige
solubility
DMSO: 2 mg/mL, clear
storage temp.
-10 to -25°C
SMILES string
FC(F)(F)[C@H](C1CC1)NC(C2=CC(C3=C4N(N=C3)C=C(C5=CC=C(C=C5)F)C=N4)=CS2)=O
Biochem/physiol Actions
ULK-101 is a potent and selective ULK1 inhibitor (ULK1/2 IC50 = 8.3/30 nM) that inhibits ULK1-dependent cellular Beclin 1 phosphorylation (pSer15 IC50 = 390 nM) with greater kinome selectivity (4 off-target hits using a 327-kinase panel) and potency than SBI-0206965 (IC50 = 38 nM/cell-free ULK1 kinase assay, 2.4 μM/cellular Beclion 1 pSer15). ULK-101 sensitizes cells to nutrient stress in U2OS (EC50 = 6.3 μM vs. 22.3 μM with full media) and in KRAS mutant lung cancer cultures (full media/nutrient withdrawal EC50 ratio >5) by suppressing autophagy induction and autophagic flux.
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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