Irbesartan

Also known as: Aprovel, Avapro, BMS-186295, SR-47436, CS-1097, 2-Butyl-3-[[2'-(1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1,3-diazaspiro[4.4]non-1-en-4-one, 2-Butyl-3-(p-(o-1H-tetrazol-5-ylphenyl)benzyl)-1,3-diazaspiro[4.4]non-1-en-4-one, 3-Butyl-2-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-2,4-diazaspiro[4.4]non-3-en-1-one

Irbesartan (CAS 138402-11-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C25H28N6O and a molecular weight of 428.529 g/mol. Key properties include a melting point of 180-181°C, a boiling point of 648.6±65.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 346.0±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 138402-11-6
Jingsj CID: J-806807-3
Molecular Formula: C₂₅H₂₈N₆O
Molecular Weight: 428.529 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	180-181°C
Boiling Point	648.6±65.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	346.0±34.3 °C
Exact Mass	428.232452
PSA	87.13000
LogP	4.51
Vapor Pressure	0.0±1.9 mmHg at 25°C
Refractive Index	1.690
Storage Conditions	-20°C Freezer

Activity & Biological Data

Additional Information	[1]. Schupp M, et al. Angiotensin type 1 receptor blockers induce peroxisome proliferator-activated receptor-gamma activity. Circulation. 2004 May 4;109(17):2054-7. Epub 2004 Apr 26. [2]. Ruiz E, et al. Importance of intracellular angiotensin II in vascular smooth muscle cell apoptosis: inhibition by the angiotensin AT1 receptor antagonist irbesartan. Eur J Pharmacol. 2007 Jul 19;567(3):231-9. Epub 2007 Apr 6.

Additional Information

[1]. Schupp M, et al. Angiotensin type 1 receptor blockers induce peroxisome proliferator-activated receptor-gamma activity. Circulation. 2004 May 4;109(17):2054-7. Epub 2004 Apr 26. [2]. Ruiz E, et al. Importance of intracellular angiotensin II in vascular smooth muscle cell apoptosis: inhibition by the angiotensin AT1 receptor antagonist irbesartan. Eur J Pharmacol. 2007 Jul 19;567(3):231-9. Epub 2007 Apr 6.

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 Irbesartan?

The CAS number of Irbesartan is 138402-11-6.

What are the molecular formula and molecular weight of Irbesartan?

Irbesartan has molecular formula C25H28N6O and molecular weight 428.529 g/mol.

What are the upstream and downstream products of Irbesartan?

For Irbesartan, Upstream Products: 4'-[(2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl]-[1,1'-biphenyl]-2-carbonitrile, Trityl Irbesartan, [2-[1-(Triphenylmethyl)-1H-tetrazol-5-yl]phenyl]boronic acid; Downstream Products: 5-(4'-methyl-[1,1'-biphenyl]-2-yl)-1H-tetrazole.

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. "Irbesartan (CAS 138402-11-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-806807-3 (accessed 2026-11-09).

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