Product Name: L-Threonine 98.5% Feed Grade Appearance: White Powder CAS No.: 72-19-5 Molecular Formular: C4H9NO3 Molecular Weight : 119.12 Specification: 98.5% What is L-Threonine? L-Threonine is an essential amino acid that is added to the diet of pigs and poultry in order to exactly match the balanced amino acid requirement of the animals. In practice, L-Threonine is the second limiting amino …