Olmesartan medoxomil

Also known as: 4-(1-Hydroxy-1-methylethyl)-2-propyl-1-[[2'-(1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl ester, CS-866, Benicar, Olmetec, OMST

Olmesartan medoxomil (CAS 144689-63-4) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C29H30N6O6 and a molecular weight of 558.585 g/mol. Key properties include a melting point of 180°C, a boiling point of 804.2±75.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 440.2±37.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 144689-63-4
Jingsj CID: J-33661-9
Molecular Formula: C₂₉H₃₀N₆O₆
Molecular Weight: 558.585 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	180°C
Boiling Point	804.2±75.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	440.2±37.1 °C
Exact Mass	558.222656
PSA	162.16000
LogP	5.23
Vapor Pressure	0.0±3.0 mmHg at 25°C
Refractive Index	1.661
Storage Conditions	-20°C Freezer

Activity & Biological Data

Target	IC50: 66.2 μM (angiotensin II receptor)[1]
Additional Information	[1]. Senda A, et al. Effects of Angiotensin II Receptor Blockers on Metabolism of Arachidonic Acid via CYP2C8. Biol Pharm Bull. 2015;38(12):1975-9. [2]. Shah S, et al. Simultaneous Quantitative Analysis of Olmesartan Medoxomil and Amlodipine Besylate in Plasma by High-performance Liquid Chromatography Technique. J Young Pharm. 2012 Apr;4(2):88-94. [3]. Gu J, et al. Olmesartan Prevents Microalbuminuria in db/db Diabetic Mice Through Inhibition of Angiotensin II/p38/SIRT1-Induced Podocyte Apoptosis. Kidney Blood Press Res. 2016 Nov 21;41(6):848-864.

Target

IC50: 66.2 μM (angiotensin II receptor)[1]

Additional Information

[1]. Senda A, et al. Effects of Angiotensin II Receptor Blockers on Metabolism of Arachidonic Acid via CYP2C8. Biol Pharm Bull. 2015;38(12):1975-9. [2]. Shah S, et al. Simultaneous Quantitative Analysis of Olmesartan Medoxomil and Amlodipine Besylate in Plasma by High-performance Liquid Chromatography Technique. J Young Pharm. 2012 Apr;4(2):88-94. [3]. Gu J, et al. Olmesartan Prevents Microalbuminuria in db/db Diabetic Mice Through Inhibition of Angiotensin II/p38/SIRT1-Induced Podocyte Apoptosis. Kidney Blood Press Res. 2016 Nov 21;41(6):848-864.

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Olmesartan medoxomil?

The CAS number of Olmesartan medoxomil is 144689-63-4.

What are the molecular formula and molecular weight of Olmesartan medoxomil?

Olmesartan medoxomil has molecular formula C29H30N6O6 and molecular weight 558.585 g/mol.

What are the upstream and downstream products of Olmesartan medoxomil?

For Olmesartan medoxomil, Upstream Products: Trityl Olmesartan Medoxomil, Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, 4-(Chloromethyl)-5-methyl-1,3-dioxol-2-one; Downstream Products: Olmesartan medoxomil impurity C.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Olmesartan medoxomil (CAS 144689-63-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33661-9 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.