ITEMS
|
REQUIREMENT
|
TEST METHODS |
Appearance |
Whitish or yellowish crystalline powde |
Eyeballing |
Melting point |
137.0～141.0℃ |
CP2005Version second partAddendumVI C
|
Content |
≥99% |
CP2005 Version second part Addendum Ⅶ B |
Specific rotation |
-36.5°-- -40° |
CP2005Version second part AddendumVI E |
Heavy metal |
≤10PPM |
CP2005Version second part AddendumⅧ H |
Loss on drying |
≤0.5% |
CP2005Version second part AddendumⅧ L |
Burning residue |
≤0.1% |
CP2005Version second part AddendumⅧ N |
Cis- isomer |
≤0.2% |
HPLC |
l-phenylanine isomer |
≤0.5% |
HPLC |
Unknow impurities |
≤0.4% |
HPLC |
