Palonosetron hydrochloride

盐酸帕洛诺司琼

Also known as: (3aS)-2-[(3S)-1-azabicyclo[2.2.2]oct-3-yl]-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinolin-1-one hydrochloride, (3aS)-2-((3S)-1-Azabicyclo[2.2.2]oct-3-yl)-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinolin-1-one Monohydrochloride, Palonosetron Hydrochloride, RS 25259-197, MFCD07370072

Palonosetron hydrochloride (CAS 135729-62-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H25ClN2O and a molecular weight of 332.868 g/mol. It is also known as (3aS)-2-[(3S)-1-azabicyclo[2.2.2]oct-3-yl]-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinolin-1-one hydrochloride, (3aS)-2-((3S)-1-Azabicyclo[2.2.2]oct-3-yl)-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinolin-1-one Monohydrochloride and Palonosetron Hydrochloride. Key properties include a melting point of >290ºC, a boiling point of 470.4ºC at 760 mmHg and a flash point of 209.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
135729-62-3
Jingsj CID
J-1971799-3
Molecular Formula
C19H25ClN2O
Chinese Name
盐酸帕洛诺司琼
Molecular Weight
332.868 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>290ºC
Boiling Point470.4ºC at 760 mmHg
Flash Point209.5ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Palonosetron hydrochloride?

The CAS number of Palonosetron hydrochloride is 135729-62-3.

What are the molecular formula and molecular weight of Palonosetron hydrochloride?

Palonosetron hydrochloride has molecular formula C19H25ClN2O and molecular weight 332.868 g/mol.

Is Palonosetron hydrochloride hazardous?

Palonosetron hydrochloride has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Palonosetron hydrochloride (CAS 135729-62-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1971799-3 (accessed 2026-10-25).

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