Scopolamine

Also known as: (-)-Scopolamine, Hyoscine, Atroquin, Scopoderm, Transderm-Scop, Scopine tropate, 6,7-Epoxytropine tropate, Atroscine

Scopolamine (CAS 51-34-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C17H21NO4 and a molecular weight of 303.353 g/mol. Key properties include a melting point of 59ºC, a boiling point of 460.3±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 232.2±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 51-34-3
Jingsj CID: J-1958346-1
Molecular Formula: C₁₇H₂₁NO₄
Molecular Weight: 303.353 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	59ºC
Boiling Point	460.3±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	232.2±28.7 °C
Exact Mass	303.147064
PSA	62.30000
LogP	0.76
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.614

Activity & Biological Data

Target	5-HT3 Receptor:2.09 μM (IC50) mAChR
Additional Information	[1]. Lochner M, et al. The muscarinic antagonists Scopolamine and atropine are competitive antagonists at 5-HT3 receptors. Neuropharmacology. 2016 Sep;108:220-8. [2]. O ET, et al. COGNITIVE-ENHANCING PROPERTIES OF MORINDA LUCIDA (RUBIACEAE) AND PELTOPHORUM PTEROCARPUM (FABACEAE) IN SCOPOLAMINE-INDUCED AMNESIC MICE. Afr J Tradit Complement Altern Med. 2017 Mar 1;14(3):136-141. [3]. Pattanashetti LA, et al. Evaluation of neuroprotective effect of Quercetin with Donepezil in Scopolamine-induced amnesia in rats. Indian J Pharmacol. 2017 Jan-Feb;49(1):60-64.

Target

5-HT3 Receptor:2.09 μM (IC50) mAChR

Additional Information

[1]. Lochner M, et al. The muscarinic antagonists Scopolamine and atropine are competitive antagonists at 5-HT3 receptors. Neuropharmacology. 2016 Sep;108:220-8. [2]. O ET, et al. COGNITIVE-ENHANCING PROPERTIES OF MORINDA LUCIDA (RUBIACEAE) AND PELTOPHORUM PTEROCARPUM (FABACEAE) IN SCOPOLAMINE-INDUCED AMNESIC MICE. Afr J Tradit Complement Altern Med. 2017 Mar 1;14(3):136-141. [3]. Pattanashetti LA, et al. Evaluation of neuroprotective effect of Quercetin with Donepezil in Scopolamine-induced amnesia in rats. Indian J Pharmacol. 2017 Jan-Feb;49(1):60-64.

Frequently Asked Questions

What is the CAS number of Scopolamine?

The CAS number of Scopolamine is 51-34-3.

What are the molecular formula and molecular weight of Scopolamine?

Scopolamine has molecular formula C17H21NO4 and molecular weight 303.353 g/mol.

What are the upstream and downstream products of Scopolamine?

For Scopolamine, Upstream Products: Raceanisodamine, Oxitropium Bromide; Downstream Products: Scopine, Tropic acid, Scopoline.

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. "Scopolamine (CAS 51-34-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958346-1 (accessed 2026-11-09).

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