Basic information
- Name:
Topiramate
- CAS No.:
97240-79-4
- Molecular Structure:

- Formula:
- C12H21NO8S
- Synonyms:
- McN-4853;Epitomax;2,3:4,5-bis-o-(1-methylethylidene)-beta-d-fructopyranos sulfamate;a-D-Fructopyranose,2,3:4,5-bis-O-(1-methylethylidene)-,sulfamate;Tipiramato [Spanish];Topamax;Topiramate [USAN:BAN:INN];2,3:4,5-Bis-O-(1-methylethylidene)-beta-D-fructopyranose sulfamate;beta-D-Fructopyranose, 2,3:4,5-bis-O-(1-methylethylidene)-, sulfamate;Topiramate;Topamax;RWJ-17021-000;2,3:4,5-Di-O-isopropylidene-beta-D-fructopyranose sulfamate;Topiramate (JAN/USAN);Tipiramate [French];Topamax (TN);
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Chemistry
Molecular Structure of Topiramate (CAS NO. 97240-79-4):

Systematic Name: beta-D-Fructopyranose, 2,3:4,5-bis-O-(1-methylethylidene)-, sulfamate
Molecular Formula: C12H21NO8S
Molecular Weight: 339.362040 g/mol
Index of Refraction: 1.497
Molar Refractivity: 74.32 cm3
Molar Volume: 253.8 cm3
Surface Tension: 53.3 dyne/cm
Density: 1.336 g/cm3
Flash Point: 219.1 °C
Enthalpy of Vaporization: 69.55 kJ/mol
Boiling Point: 438.7 °C at 760 mmHg
Vapour Pressure: 6.76E-08 mmHg at 25 °C
Melting Point: 125°C
DMSO Solubility : ~44 mg/mL
Storage Temp.: 2-8°C
BRN: 5988957
Product Categories: Active Pharmaceutical Ingredients;APIs;Health & Beauty;Carbohydrates & Derivatives;Pharmaceuticals;Glutamate receptor
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | intraperitoneal | > 1500mg/kg (1500mg/kg) | Drugs of the Future. Vol. 14, Pg. 342, 1989. |
Safety Profile
Safety Information of Topiramate (CAS NO. 97240-79-4):
Hazard Codes: Xi 
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36:Wear suitable protective clothing
WGK Germany: 3
RTECS: LS7083000
Specification
Topiramate with cas registry number of 97240-79-4 is white to off-white crystalline powder, also called 2,3:4,5-Bis-O-(1-methylethylidene)-beta-D-fructopyranose sulfamate ; 2,3:4,5-Di-O-isopropylidene-beta-D-fructopyranose sulfamate ; Epitomax ; HSDB 7531 ; McN-4853 ; RWJ-17021-000 ; Tipiramate ; Tipiramate [French] ; Tipiramato ; Tipiramato [Spanish] ; Topamax ; Topamax Sprinkle ; Topiramato ; Topiramato [INN-Spanish] ; Topiramatum ; Topiramatum [INN-Latin] ; Topiramatum [Latin] ; UNII-0H73WJJ391 ; beta-D-Fructopyranose, 2,3:4,5-bis-O-(1-methylethylidene)-, sulfamate . It is used as an anticonvulsant and an antidepressant. It is also used to treat Post Traumatic Stress Disorder.
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