TEST ITEMS	SPECIFICATION	RESULTS
Description	:    White or Almost White Crystalline Powder
Identification	:    Positive	Positive
Assay	:    97.0~103.0%	99.30%
Specific Rotation	:    +77°~+82°	+80.6°
Water	:    0.5%max	0.30%
Free Heptanoic acid	:    0.16%max	0.12%
Ordinary Impurities	:    single impurity:1.0%max	<1.0%
	total impurities:2.0%max	<2.0%
Organic Volatile Impurities	:    meets the requirements	Conforms
Residual Solvents	:    meets the requirements.(USP29)	Conforms
Melting Point	:    34~39°C	34.5~36.2°C
Conclusion	The specification conform with USP30 standard