The CAS registry number of Benzenesulfonic acid,5-amino-2-fluoro- is 38962-61-7. Its molecular formula is C₆H₆FNO₃S and molecular weight is 191.1801. Its systematic name is called 5-amino-2-fluorobenzenesulfonic acid.

Physical properties about Benzenesulfonic acid,5-amino-2-fluoro- are: (1)ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 1; (4)ACD/KOC (pH 7.4): 1; (5)#H bond acceptors: 4; (6)#H bond donors: 3; (7)#Freely Rotating Bonds: 2; (8)Index of Refraction: 1.604; (9)Molar Refractivity: 40.83 cm³; (10)Molar Volume: 118.7 cm³; (11)Surface Tension: 63.8 dyne/cm; (12)Density: 1.61 g/cm³.

Preparation: this chemical can be prepared by acetic acid-(4-fluoro-anilide). This reaction will need reagent 25 percent Oleum. The reaction time is 240 mins with reaction temperature of 60-65 °C. The yield is about 83 %.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(O)(=O)c1cc(N)ccc1F
(2)InChI: InChI=1/C6H6FNO3S/c7-5-2-1-4(8)3-6(5)12(9,10)11/h1-3H,8H2,(H,9,10,11)
(3)InChIKey: JXRZCHPTZXGPTD-UHFFFAOYAZ