L-Carnitine Fumarate
Molecular Formula: C11H19NO7
Molecular Weight: 277.28
Alias: (R)-(3-Carboxy-2-hydroxypropyl)-trimethyl ammonium fumarate
CAS No.: 90471-79-7
Molecular Formula: C7H16NO3.C4H3O4;C11H19NO7
Molecular Weight: 277.27
Usage: Pharmaceutical , nutrition food additives
L-carnitine fumarate can take place of l-carnitine tartrate, it is better than l-carnitine tartrate in stability, espcially for solid qpplications.

Appearance: white powder or crystalline powder
Specific rotation: -16.5~-18.5°(10% aqueous solution)
pH-value: 3.0~4.0(1% aqueous solution)
Moisture: ≤1.0%
Residue on ignition: ≤0.5%
Chlorine: ≤0.4%
Heavy metal: ≤10ppm
Arsenic: ≤1ppm
L-Carnitine Base: 58.5±2%
Fumaric acid: 41.5±2%
Assay: 100±2%