Product name: Gabapentin CAS Registry Number: 60142-96-3 CAS Name: 1-(Aminomethyl)cyclohexaneacetic acid Molecular Formula: C9H17NO2 Molecular Weight: 171.24. Standard£ºUSP30 Specification: Characteristics white or almost white crystalline powder Identification Positive Melting point 162~ 166¡ãC Water ¡Ü0.5% Heavy metals ¡Ü20ppm Sulfate ash ¡Ü0.1% Related substances(HPLC) CDI: ¡Ü 0.2% Individual impurity ¡Ü 0.1% Total impurity ¡Ü 0.5% Assay 98.0%-102.0% Package & storage: 25kg per in plastic bag /fiber drum , in cool dry airiness place, the valid period is 24 months in NT.