can't read?
Sodium fumarate, 98% is a chemical compound.
S 1946 (OTTO) Sodium fumarate, 98% Cas 17013-01-3 - used as cell biology, cofactors and substrates. S 1946 (OTTO) Sodium fumarate, 98% Cas 17013-01-3 - used as a buffering agent and pH adjuster in cosmetic and personal care products.