Ramipril

Also known as: ALTACE, CARDACE, DELIX, HOE-498, PRAMACE, RAMACE, TRITACE, Trimce, UNIPRIL, vesdil, (2S,3aS,6aS)-1-[(2S)-2-{[(1S)-1-(ethoxycarbonyl)-3-phenylpropyl]amino}propanoyl]octahydrocyclopenta[b]pyrrole-2-carboxylic acid, (2S,3aS,6aS)-1-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]octahydrocyclopenta[b]pyrrole-2-carboxylic Acid 1-Ethyl Ester

Ramipril (CAS 87333-19-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C23H32N2O5 and a molecular weight of 416.511 g/mol. Key properties include a melting point of 106-108°C, a boiling point of 616.2±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 326.4±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 87333-19-5
Jingsj CID: J-15556-6
Molecular Formula: C₂₃H₃₂N₂O₅
Molecular Weight: 416.511 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	106-108°C
Boiling Point	616.2±55.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	326.4±31.5 °C
Exact Mass	416.231110
PSA	95.94000
LogP	3.41
Vapor Pressure	0.0±1.9 mmHg at 25°C
Refractive Index	1.556
Storage Conditions	2-8°C

Activity & Biological Data

Additional Information	[1]. Raasch, W., et al., Combined blockade of AT1-receptors and ACE synergistically potentiates antihypertensive effects in SHR. J Hypertens, 2004. 22(3): p. 611-8. [2]. Stevens, B.R., M.I. Phillips, and A. Fernandez, Ramipril inhibition of rabbit (Oryctolagus cuniculus) small intestinal brush border membrane angiotensin converting enzyme. Comp Biochem Physiol C, 1988. 91(2): p. 493-7. [3]. Kohlstedt, K., et al., Angiotensin-converting enzyme is involved in outside-in signaling in endothelial cells. Circ Res, 2004. 94(1): p. 60-7. [4]. Ceconi, C., et al., Differences in the effect of angiotensin-converting enzyme inhibitors on the rate of endothelial cell apoptosis: in vitro and in vivo studies. Cardiovasc Drugs Ther, 2007. 21(6): p. 423-9.

Additional Information

[1]. Raasch, W., et al., Combined blockade of AT1-receptors and ACE synergistically potentiates antihypertensive effects in SHR. J Hypertens, 2004. 22(3): p. 611-8. [2]. Stevens, B.R., M.I. Phillips, and A. Fernandez, Ramipril inhibition of rabbit (Oryctolagus cuniculus) small intestinal brush border membrane angiotensin converting enzyme. Comp Biochem Physiol C, 1988. 91(2): p. 493-7. [3]. Kohlstedt, K., et al., Angiotensin-converting enzyme is involved in outside-in signaling in endothelial cells. Circ Res, 2004. 94(1): p. 60-7. [4]. Ceconi, C., et al., Differences in the effect of angiotensin-converting enzyme inhibitors on the rate of endothelial cell apoptosis: in vitro and in vivo studies. Cardiovasc Drugs Ther, 2007. 21(6): p. 423-9.

Customs & Trade Information

HS Code	3004909090

Frequently Asked Questions

What is the CAS number of Ramipril?

The CAS number of Ramipril is 87333-19-5.

What are the molecular formula and molecular weight of Ramipril?

Ramipril has molecular formula C23H32N2O5 and molecular weight 416.511 g/mol.

What are the upstream and downstream products of Ramipril?

For Ramipril, Upstream Products: (2S,3aS,6aS)-Octahydrocyclopenta[b]pyrrole-2-carboxylic acid, (E)-(-)-Octahydrocyclopenta[b]pyrrole-2-carboxylic acid hydrochloride, Ethyl (S)-2-[(S)-4-methyl-2,5-dioxo-1,3-oxazolidin-3-yl]-4-phenylbutyrate; Downstream Products: Ramiprilat.

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. "Ramipril (CAS 87333-19-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15556-6 (accessed 2026-11-09).

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