China USP 99% L-Serine Powder with CAS 56-45-1, Find details about China L-Serine, 56-45-1 from USP 99% L-Serine Powder with CAS 56-45-1
Package | carton drum with two plastic bags inside |
Net weight | 25KG/Drum |
Storage | Sealed in cool and dry place to avoid moisture and light |
Shelf life | 2 years when properly stored |
Lead time | 1~3 days after confirmation |
Items | Standard |
Characteristics | White crystals |
(IR)Identification | Should complies to the standard |
Specific Rotation | +14.0°~+15.6° |
(TLC)Chromatographic purity | Any individual impurity≤0.5% |
Total impurities≤2.0% | |
State of solution | ≥98.0% |
Assay | 98.5%~101.0% |
Heavy metals(Pb) | ≤15ppm |
Loss on drying | ≤0.20% |
Residue on ignition | ≤0.10% |
Chloride(as Cl) | ≤0.05% |
Sulfate | ≤0.03% |
Iron(as Fe) | ≤0.003% |