Reserpine

利血平

Also known as: Serpasil, Serpalan, Rausedil, Raupasil, Serpipur, Serpivite, Apoplon, Hiserpia, Raunervil, Rivasin, Serpanray, Serp-AFD, (-)-Reserpine, Methyl (3β,16β,17α,18β,20α)-11,17-dimethoxy-18-[(3,4,5-trimethoxybenzoyl)oxy]yohimban-16-carboxylate

Reserpine (CAS 50-55-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C33H40N2O9 and a molecular weight of 608.679 g/mol. It is also known as Serpasil, Serpalan and Rausedil. Key properties include a melting point of 265ºC (dec.), a boiling point of 700.1±60.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 377.2±32.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50-55-5
Jingsj CID: J-4803-5
Molecular Formula: C₃₃H₄₀N₂O₉
Chinese Name: 利血平
Molecular Weight: 608.679 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	265ºC (dec.)
Boiling Point	700.1±60.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	377.2±32.9 °C
Exact Mass	608.273376
PSA	117.78000
LogP	4.05
Vapor Pressure	0.0±2.2 mmHg at 25°C
Refractive Index	1.620

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed

Activity & Biological Data

Target	VMAT2[1]
Additional Information	[1]. Antkiewicz-Michaluk L, et al. Withdrawal from repeated administration of a low dose of reserpine induced opposing adaptive changes in the noradrenaline and serotonin system function: a behavioral and neurochemical ex vivo and in vivo studies in the rat. Prog Neuropsychopharmacol Biol Psychiatry. 2015 Mar 3;57:146-54. [2]. Hong B, et al. Reserpine Inhibit the JB6 P+ Cell Transformation Through Epigenetic Reactivation of Nrf2-Mediated Anti-oxidative Stress Pathway. AAPS J. 2016 May;18(3):659-69. [3]. Sreemantula S, et al. Reserpine methonitrate, a novel quaternary analogue of reserpine augments urinary excretion of VMA and 5-HIAA without affecting HVA in rats. BMC Pharmacol. 2004 Nov 16;4:30.

Target

VMAT2[1]

Additional Information

[1]. Antkiewicz-Michaluk L, et al. Withdrawal from repeated administration of a low dose of reserpine induced opposing adaptive changes in the noradrenaline and serotonin system function: a behavioral and neurochemical ex vivo and in vivo studies in the rat. Prog Neuropsychopharmacol Biol Psychiatry. 2015 Mar 3;57:146-54. [2]. Hong B, et al. Reserpine Inhibit the JB6 P+ Cell Transformation Through Epigenetic Reactivation of Nrf2-Mediated Anti-oxidative Stress Pathway. AAPS J. 2016 May;18(3):659-69. [3]. Sreemantula S, et al. Reserpine methonitrate, a novel quaternary analogue of reserpine augments urinary excretion of VMA and 5-HIAA without affecting HVA in rats. BMC Pharmacol. 2004 Nov 16;4:30.

Customs & Trade Information

HS Code	3003909090

Frequently Asked Questions

What is the CAS number of Reserpine?

The CAS number of Reserpine is 50-55-5.

What are the molecular formula and molecular weight of Reserpine?

Reserpine has molecular formula C33H40N2O9 and molecular weight 608.679 g/mol.

Is Reserpine hazardous?

Reserpine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Reserpine (CAS 50-55-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4803-5 (accessed 2026-10-29).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.