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L-Carnitine
Name:L-Carnitine
CAS:541-15-1
MF:C7H15NO3
The detailed specifications are as below:

Item of testing  Specification Result 
Appearance A White crystalline powder or
colorless crystals.
A White crystalline powder
or colorless crystals.
Identification A. Specific rotation
B.IR spectrum concordant with that of levocarnitine Ph. Eur. CRS or working standard.
Positive
Appearance of Solution Clear and colorless Clear and colorless
pH 6.5~8.5 7.36
Specific optical rotation,° -29.0º~ -32.0º -31.01º
Related Substances Impurity A,% ≦0.5% 0.01%
Other individual impurity,% ≦0.1% 0.01%
Chlorides,ppm ≦200ppm <200ppm
Sulphates,ppm ≦300ppm <300ppm
Sodium,% ≦0.1% <0.1%
Heavy metals,% ≦10ppm <10ppm
Water,% ≦1.0% 0.32%
Sulphated ash,% ≦0.1% 0.08%

Item of testing  Specification Result 
Loss on drying,% ≦0.5% 0.30%
Total plate count,cfu/g <1000cfu/g <10cfu/g
Yeast and moulds,cfu/g <100cfu/g <10cfu/g
E.Coli Negative Non detectable
Salmonella Negative Non detectable
Assay,% 98.0% to 102.0% 99.00%
Conclusion Conforms