E 5324

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 584375

CAS#: 141799-76-0

Description: E 5324, an acyl-CoA cholesterol acyltransferase inhibitor, has been found to inhibit cholesterol esterification and CE mass in atherosclerotic foam cells, derived from either macrophages or arterial smooth muscle cells.

Chemical Structure

E 5324
CAS# 141799-76-0

Theoretical Analysis

MedKoo Cat#: 584375
Name: E 5324
CAS#: 141799-76-0
Chemical Formula: C26H34N4O2
Exact Mass: 434.2682
Molecular Weight: 434.584
Elemental Analysis: C, 71.86; H, 7.89; N, 12.89; O, 7.36

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: E-5324; E5324; E 5324

IUPAC/Chemical Name: Urea, N-butyl-N'-(2-(3-(5-ethyl-4-phenyl-1H-imidazol-1-yl)propoxy)-6-methylphenyl)-


InChi Code: InChI=1S/C26H34N4O2/c1-4-6-16-27-26(31)29-24-20(3)12-10-15-23(24)32-18-11-17-30-19-28-25(22(30)5-2)21-13-8-7-9-14-21/h7-10,12-15,19H,4-6,11,16-18H2,1-3H3,(H2,27,29,31)


Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 434.584 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Azuma Y, Kawasaki T, Ohno K, Seto J, Yamada T, Yamasaki M, Nobuhara Y. Effects of NTE-122, a novel acyl-CoA:cholesterol acyltransferase inhibitor, on cholesterol esterification and secretions of apolipoprotein B-containing lipoprotein and bile acids in HepG2. Jpn J Pharmacol. 1999 Feb;79(2):151-8. PubMed PMID: 10202850.

2: Kawasaki T, Miyazaki A, Hakamata H, Matsuda H, Horiuchi S. Biochemical evidence for oligomerization of rat adrenal acyl-coenzyme A:cholesterol acyltransferase. Biochem Biophys Res Commun. 1998 Mar 17;244(2):347-52. PubMed PMID: 9514926.

3: Kogushi M, Tanaka H, Ohtsuka I, Yamada T, Kobayashi H, Saeki T, Takada M, Hiyoshi H, Yanagimachi M, Kimura T, Yoshitake S, Saito I. Anti-atherosclerotic effect of E5324, an inhibitor of acyl-CoA:cholesterol acyltransferase, in Watanabe heritable hyperlipidemic rabbits. Atherosclerosis. 1996 Aug 2;124(2):203-10. PubMed PMID: 8830933.

4: Nicholson AC, Pomerantz KB, Fujimori T, Hajjar DP. Inhibition of cholesterol esterification in macrophages and vascular smooth muscle foam cells: evaluation of E5324, an acyl-CoA cholesterol acyltransferase inhibitor. Lipids. 1995 Aug;30(8):771-4. PubMed PMID: 7475994.

5: Kogushi M, Tanaka H, Kobayashi H, Yamada T, Ohtsuka I, Kimura T, Saito I. Effect of E5324, a novel inhibitor of acyl-CoA:cholesterol acyltransferase, on cholesteryl ester synthesis and accumulation in macrophages. Jpn J Pharmacol. 1995 Jun;68(2):191-9. PubMed PMID: 7563976.

6: Nagata Y, Yonemoto M, Iwasawa Y, Shimizu-Nagumo A, Hattori H, Sawazaki Y, Kamei T. N-[2-[N'-pentyl-(6,6-dimethyl-2,4-heptadiynyl)amino]ethyl]- (2-methyl-1-naphthylthio)acetamide (FY-087). A new acyl coenzyme a:cholesterol acyltransferase (ACAT) inhibitor of diet-induced atherosclerosis formation in mice. Biochem Pharmacol. 1995 Mar 1;49(5):643-51. PubMed PMID: 7887979.

7: Tanaka H, Ohtsuka I, Kogushi M, Kimura T, Fujimori T, Saeki T, Hayashi K, Kobayashi H, Yamada T, Hiyoshi H, et al. Effect of the acyl-CoA:cholesterol acyltransferase inhibitor, E5324, on experimental atherosclerosis in rabbits. Atherosclerosis. 1994 Jun;107(2):187-201. PubMed PMID: 7980693.