(R)-3-Hydroxy-4-(trimethylammonio)butyrate 

English Name: L-Carnitine
English alias: (R) -3-Hydroxy-4- (trimethylammonio) butyrate
Chinese alias: Carney Er Ding
IUPAC Name: (R) -3- hydroxy -4- three methyl ammonium butyrate internal salt
CAS: 541-15-1
Molecular formula: C7H15NO3
Molecular weight: 161.20
MDL: MFCD00038747
Physical property：
Appearance: white crystalline or crystalline powder.
Hygroscopicity: hygroscopicity is very strong. Exposure to air can deliquescence or even liquefy.
Solubility: soluble in water, ethanol, alkaloid solution and dilute mineral acid, almost insoluble in acetone or ethyl acetate.
Purity: >98.0%
Melting point: 208-212 degrees centigrade
Solubility (water): 2500 g/L (20 C)
Packing: 25KG paper bucket