The Zonisamide, with the CAS registry number 68291-97-4, is also known as 1-(1,2-Benzoxazol-3-yl)methanesulphonamide. It belongs to the product categories of Anticonvulsant; Aromatics; Heterocycles; Intermediates & Fine Chemicals; Neurochemicals; Pharmaceuticals; Sulfur & Selenium Compounds; Calcium channel; Ion channels. This chemical's molecular formula is C₈H₈N₂O₃S and molecular weight is 212.23. Its IUPAC name is called 1,2-benzoxazol-3-ylmethanesulfonamide. This chemical's classification codes are Anticonvulsant; Anticonvulsants; Antioxidants; Central Nervous System Agents; Drug / Therapeutic Agent; Protective Agents; Reproductive Effect. This chemical is off-white powder. When you are using this chemical, please be cautious about it. This chemical may cause damage to health. It is harmful if swallowed.

Physical properties of Zonisamide: (1)ACD/LogP: -0.10; (2)ACD/LogD (pH 5.5): -0.1; (3)ACD/LogD (pH 7.4): -0.1; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 21.05; (7)ACD/KOC (pH 7.4): 20.91; (8)#H bond acceptors: 5; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 2; (11)Index of Refraction: 1.656; (12)Molar Refractivity: 51.66 cm³; (13)Molar Volume: 140.5 cm³; (14)Surface Tension: 71.1 dyne/cm; (15)Density: 1.509 g/cm³; (16)Flash Point: 230.3 °C; (17)Enthalpy of Vaporization: 71.73 kJ/mol; (18)Boiling Point: 457.2 °C at 760 mmHg; (19)Vapour Pressure: 1.51E-08 mmHg at 25°C.

Preparation: this chemical can be prepared by 3-bromomethyl-1,2-benzo yl different chewing (I), sodium sulfite and POCl₃. This reaction will need reagent methanol.

Uses of Zonisamide: it is approved in the United States, United Kingdom, for adjunctive treatment of partial seizures in adults and in Japan for both adjunctive and monotherapy for partial seizures (simple, complex, secondarily generalized), generalized (tonic, tonic-clonic (grand mal), and atypical absence) and combined seizures. It has also been studied for obesity with significant positive effects on body weight and there are three ongoing clinical trials for this indication. It is to be sold under the name Empatic. Zonisamide has been studied for and used as a migraine preventative medication, and has also been shown to be effective in some cases of neuropathic pain. It has also been used off-label by psychiatrists as a mood stabilizer to treat bipolar depression.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C1=CC=C2C(=C1)C(=NO2)CS(=O)(=O)N
(2)InChI: InChI=1S/C8H8N2O3S/c9-14(11,12)5-7-6-3-1-2-4-8(6)13-10-7/h1-4H,5H2,(H2,9,11,12)
(3)InChIKey: UBQNRHZMVUUOMG-UHFFFAOYSA-N

The toxicity data is as follows: