SML1837
K-604
≥98% (HPLC)
Synonym(s):
2-[4-[2-(Benzimidazol-2-ylthio)ethyl]piperazin-1yl]-N-[2,4-bis(methylthio)-6-methyl-3-pyridyl]acetamide dihydrochloride, 4-[2-(1H-Benzimidazol-2-ylthio)ethyl]-N-[6-methyl-2,4-bis(methylthio)-3-pyridinyl]-1-piperazineacetamide dihydrochloride, K604
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About This Item
Empirical Formula (Hill Notation):
C23H30N6OS3 · 2HCl
CAS Number:
Molecular Weight:
575.64
UNSPSC Code:
41106500
NACRES:
NA.77
Quality Level
assay
≥98% (HPLC)
storage condition
desiccated
color
white to beige
solubility
DMSO: 10 mg/mL, clear
storage temp.
2-8°C
SMILES string
O=C(NC1=C(SC)C=C(C)N=C1SC)CN2CCN(CCSC3=NC4=CC=CC=C4N3)CC2.[H]Cl.[H]Cl
InChI key
DEKWEGUBUYKTAV-UHFFFAOYSA-N
Biochem/physiol Actions
K-604 inhibits against acyl-coenzyme A (acyl-CoA):cholesterol O-acyltransferase-1 (ACAT1, SOAT1) activitiy in a selective (IC50 = 450 nM vs. 102.85 μ M against human ACAT1 and ACAT2, respectively) and acyl-CoA-competitive (Ki = 378 nM against oleoyl-coA) manner. K-604 inhibits cholesterol esterification in human monocyte-derived macrophages (IC50 = 68.0 nM) and enhances cholesterol efflux from THP-1 macrophages in response to HDL3 or apolipoprotein A-I. Oral administration is efficacious against macrophage foam cell formation and atherosclerosis progression among F1B hamsters on a high-fat diet (1-10 mg/kg/day) and apoE-knockout mice (60 mg/kg/day) without affecting plasma cholesterol levels. K-604 is also reported to stimulate autophagy-mediated P301L-Tau degradation in cortical neurons from 3XTg-AD mice (500 nM).
K-604 inhibits against acyl-coenzyme A (acyl-CoA):cholesterol O-acyltransferase-1 (ACAT1, SOAT1) activitiy..
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Yohei Shibuya et al.
Neurobiology of aging, 36(7), 2248-2259 (2015-05-02)
Patients with Alzheimer's disease (AD) display amyloidopathy and tauopathy. In mouse models of AD, pharmacological inhibition using small molecule enzyme inhibitors or genetic inactivation of acyl-coenzyme A (Acyl-CoA):cholesterol acyltransferase 1 (ACAT1) diminished amyloidopathy and restored cognitive deficits. In microglia, ACAT1
Mami Ikenoya et al.
Atherosclerosis, 191(2), 290-297 (2006-07-06)
Acyl-coenzyme A:cholesterol O-acyltransferase-1 (ACAT-1), a major ACAT isozyme in macrophages, plays an essential role in foam cell formation in atherosclerotic lesions. However, whether pharmacological inhibition of macrophage ACAT-1 causes exacerbation or suppression of atherosclerosis is controversial. We developed and characterized
Emily R Stevenson et al.
The Journal of pharmacology and experimental therapeutics, 382(3), 356-365 (2022-08-16)
Acute lung injury (ALI) is characterized by epithelial damage, barrier dysfunction, and pulmonary edema. Macrophage activation and failure to resolve play a role in ALI; thus, macrophage phenotype modulation is a rational target for therapeutic intervention. Large, lipid-laden macrophages have