Saccharin
in chemistry, C7H5NO3S=C6H4<GO> NH; a sweet substance which was discovered by Fahlberg and Remsen in 1879, and named by them anhydro-orthosulphaminebenzoic acid. It may be prepared by oxidizing orthotoluene with potassium permanganate. It forms white crystals, soluble in hot water, alcohol, and ether, and melts at 220° with pa partial decomposition.
Its sweetness exceeds that of cane sugar about 500 times. When taken into the system it passes through unchanged. It is used to disguise the taste of medicines and in cases of diabetes where sugar is prohibited. It was used extensively ir place of sugar during the World War.