Quetiapine fumarate

富马酸喹硫平

Also known as: Quetiapine hemifumarate, Quetiapine fumarate (2:1) (salt), 2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol hemifumarate, Quetiapine Fumarate Tablets, Quetiapine Hemifumarate, Quetiapine fuMarate USP, Quetiapine heMifuMarate salt, Quetiapine hemifumarate salt, MFCD03423782, 2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol fumarate (2:1) (salt), 2-{2-[4-(Dibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl]ethoxy}ethanol 2-butenedioate (2:1), Quetiapine (hemifumarate) (CRM), Quetiapine (fumarate)

Quetiapine fumarate (CAS 111974-72-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H27N3O4S and a molecular weight of 441.54 g/mol. It is also known as Quetiapine hemifumarate, Quetiapine fumarate (2:1) (salt) and 2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol hemifumarate. Key properties include a melting point of 174-176°C, a boiling point of 556.5ºC at 760 mmHg and a flash point of 290.4ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
111974-72-2
Jingsj CID
J-47537-6
Molecular Formula
C23H27N3O4S
Chinese Name
富马酸喹硫平
Molecular Weight
441.54 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point174-176°C
Boiling Point556.5ºC at 760 mmHg
Flash Point290.4ºC

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of Quetiapine fumarate?

The CAS number of Quetiapine fumarate is 111974-72-2.

What are the molecular formula and molecular weight of Quetiapine fumarate?

Quetiapine fumarate has molecular formula C23H27N3O4S and molecular weight 441.54 g/mol.

Is Quetiapine fumarate hazardous?

Quetiapine fumarate 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. "Quetiapine fumarate (CAS 111974-72-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47537-6 (accessed 2026-10-24).

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