Topiramate

Also known as: Topamax, Epitomax, McN-4853, RWJ 17021, Topiramic acid, 2,3:4,5-Bis-O-(1-methylethylidene)-β-D-fructopyranose sulfamate, 2,3:4,5-Di-O-isopropylidene-β-D-fructopyranoside sulfamate

Topiramate (CAS 97240-79-4) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C12H21NO8S and a molecular weight of 339.362 g/mol. Key properties include a melting point of 125ºC, a boiling point of 438.7±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 219.1±31.5 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H301 — Toxic if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 97240-79-4
Jingsj CID: J-1959819-2
Molecular Formula: C₁₂H₂₁NO₈S
Molecular Weight: 339.362 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	125ºC
Boiling Point	438.7±55.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	219.1±31.5 °C
Exact Mass	339.098785
PSA	123.92000
LogP	2.97
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.497

GHS Safety & Compliance

Flammable / Acute Toxicity / Health HazardSignal word: Danger

H225 — Highly flammable liquid and vapour
H301 — Toxic if swallowed
H311 — Toxic in contact with skin
H331 — Toxic if inhaled
H370 — Causes damage to organs

Activity & Biological Data

Additional Information	[1]. Lyseng-Williamson KA, et al. Topiramate: a review of its use in the treatment of epilepsy. Drugs. 2007;67(15):2231-56. [2]. Nakamura J, et al. Target pharmacology of topiramate, a new antiepileptic drug. Nihon Yakurigaku Zasshi. 2000 Jan;115(1):53-7. [3]. Ormrod D, et al. Topiramate: a review of its use in childhood epilepsy. Paediatr Drugs. 2001;3(4):293-319.

Frequently Asked Questions

What is the CAS number of Topiramate?

The CAS number of Topiramate is 97240-79-4.

What are the molecular formula and molecular weight of Topiramate?

Topiramate has molecular formula C12H21NO8S and molecular weight 339.362 g/mol.

Is Topiramate hazardous?

Topiramate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of Topiramate?

For Topiramate, Upstream Products: Diacetonefructose chlorosulfate, Diacetonefructose, Triethyl orthoformate.

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. "Topiramate (CAS 97240-79-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959819-2 (accessed 2026-11-06).

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