| | Identification | Back Directory |  | [Name] 
 Topiramate Impurity 6
 |  | [CAS] 
 876403-98-4
 |  | [Synonyms] 
 Topiramte EP Impurity B
 Topiramate EP Impurity B
 Topiramate Impurity 2 (Topiramate EP Impurity B)
 1-O-[(Diethylcarbamoyl)sulfamoyl]-2,3:4,5-bis-O-(1-methylethylidene)-β-D-fructopyranose
 2,3:4,5-Bis-O-(1-methylethylidene)-β-D-fructopyranose 1-[[(diethylamino)carbonyl]sulfamate]
 β-D-Fructopyranose, 2,3:4,5-bis-O-(1-methylethylidene)-, 1-[[(diethylamino)carbonyl]sulfamate]
 ((3aS,5aR,8aR,8bS)-2,2,7,7-tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methyl diethylcarbamoylsulfamate
 |  | [Molecular Formula] 
 C17H30N2O9S
 |  | [MOL File] 
 876403-98-4.mol
 |  | [Molecular Weight] 
 438.49
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 110 - 112°C
 |  | [density ] 
 1.267±0.06 g/cm3(Predicted)
 |  | [storage temp. ] 
 Hygroscopic, -20°C Freezer, Under inert atmosphere
 |  | [solubility ] 
 DMSO (Slightly), Methanol (Sparingly)
 |  | [form ] 
 Solid
 |  | [pka] 
 4.57±0.70(Predicted)
 |  | [color ] 
 White to Off-White
 |  | [InChI] 
 InChI=1/C17H30N2O9S/c1-7-19(8-2)14(20)18-29(21,22)24-10-17-13(27-16(5,6)28-17)12-11(9-23-17)25-15(3,4)26-12/h11-13H,7-10H2,1-6H3,(H,18,20)/t11-,12-,13+,17+/s3
 |  | [InChIKey] 
 ACYUMNAWFQMILA-ZNWOURNDNA-N
 |  | [SMILES] 
 C([C@]12OC(C)(C)O[C@@]1([H])[C@]1([H])OC(C)(C)O[C@]1([H])CO2)OS(=O)(=O)NC(=O)N(CC)CC |&1:1,7,9,16,r|
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 2,3:4,5-Bis-O-(1-methylethylidene)-β-D-fructopyranose 1-[[(diethylamino)carbonyl]sulfamate] is an impurity of Topiramate (T540250), which is used as an anti-convulsant.
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