Characters white or off-white powder
Identification (HPLC) Same retention time with the standard reference
Water 0.2% - 1.0%
Rotation 432°
Related substance Any impurity ≤0.5%
Total imputities ≤2.0%
Purity ≥ 98%
Assay (+)- Abscisic Acid (C15H20O4)≥ 980ug/mg
(The ratio of (+)- Abscisic Acid should be≧98% )
