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L-Serine |
 Synonyms:ß-Hydroxyalanine,(S)-2-Amino-3-hydroxypropanoic acid
Molecular formula:C3H7NO3
CAS No.:56-45-1
TEST ITEM |
SPECIFICATIONS |
| Aspect |
Off white to white colour crystal power |
| Assay(HClO4,on dried basis) |
99.0 to 101.0 |
| Purity by HPLC |
≥99.5 |
| Specific rotation (C=10, 2N HCl) |
+14.5°to+15.5° |
| D-Serine content by HPLC |
＜0.5% |
| Single maximum unknown impurity |
＜0.1% |
| Heavy metals (Pb) |
≤10 |
| Arsenic(As) |
≤1 |
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