進(jìn)口API，含量97%以上。

IDENTIFICATION 

1) IR                      POSITIVE                POSITIVE

2) TLC                    POSTIVIE                POSITIVE

        LOSS ON DRYING          0.5%MAX                  0.12%

         OPTICAL ROTATION      +60°~+66°             +64.17°

        RELATED SUBSTANCES(HPLC)

          IMPURITY B                0.2%MAX                 0.017%

          IMPURITY C                0.5%MAX                 0.200%

          IMPURITY D                0.2%MAX                 0.038%

           IMPURITY E                0.3%MAX                  0.108%

          IMPURITY F                0.8%MAX                 0.103%

          EACH IMPURITY         0.1%MAX                 0.039%

          TOTAL IMPURITY        2.0%MAX                0.427%

        ASSAY                     97.0%~102.0%              99.44%

        RESIDUAL SOLVENT

          IPA                       5000PPM MAX               N.D

N-HEXANE                290PPM MAX         58 PPM

EA                        5000PPM MAX             372 PPM

CHLOROFORM            60PPM MAX                 N.D

ACETIC ACID               5000PP MAX                N.D

PYRIDINE                   200PPM MAX                N.D

      STORAGE CONDITION:    PRESEVE IN HERMETICALLY SEALED CONTAINERS,

PROTECED FROM LIGHT, STORED IN A COOL  AND DRY PLACE.