Amino acid structurally related toy-Aminobutyric Acid (GABA), designed to cross the blood brain barrier. Used as an anticonvulsant.Appearance:White or off-white crystalline powderPurity:USP, 98.0-102.0% (HPLC)Heavy Metals:≤0.002%Residue On Ignition≤0.01%Chloride:≤0.1%Water (Karl Fisher)≤ 0.5%pH:6.5-8.0Solubility:Methanol (Slightly), Water (Slightly)Infrared Spectrum:Conforms to structureResidual Solvents (Ethanol):≤0.5%Related Substances:Gabapentin related components A: ≤ 0.1%Gabapentin related components B: ≤ 0.06%Gabapentin related components E: ≤ 0.10%Individual unknown impurity: ≤ 0.10%Any individual impurity: ≤ 0.10%Total impurities: ≤ 0.5% Storage Temp: Store at 0-8°CCertification:Meets or exceeds USP Specifications.