About
L-Serine
A nonessential amino acid in human. It is important in metabolism of purines and pyrimidines, and known as precursor of sphingolipids. It is widely used as an ingredient in infusion and infant formula.
(This information is not for Japanese market)
| Cas.No | 56-45-1 |
|---|---|
| Assay | 99.0-101.0% |
| Description | White crystals or crystalline powder, odorless, slightly sweet taste |
| Uses | Infusion |
| Packaging | 25kg&50kg |
| Pharmacopeia | JP,USP,EP,FCC |
| STORAGE | Controlled room temperature in tight container |
SPECIFICATION AND PROCEDURE
| State of solution (Transmittance) |
Not Less Than 98.0% |
|---|---|
| pH | 5.2～6.2 |
| Specific rotation[α]20D | +14.4～+15.5° |
| Specific rotation[α]25D | +14.0～+15.6° |
| Ammonium (NH4) | Not More Than 0.020% |
| Chloride (Cl) | Not More Than 0.020% |
| Sulfate (SO4) | Not More Than 0.020% |
| Iron (Fe) | Not More Than 10 ppm |
| Heavy metals (Pb)** | Not More Than 10 ppm |
| Arsenic (As2O3) | Not More Than 1 ppm |
| Loss on drying | Not More Than 0.20% |
| Residue on ignition | Not More Than 0.10% |
| Related substances | Not More Than 0.2% |
| Endotoxin* | Less Than 6.0 EU/g |
| Assay (dry basis) | 99.0～101.0% |
- * The endotoxin-certified grade will be supplied on request.
- ** FCC grade (Lead : Not More Than 5 mg/kg) will be supplied on request.
- This product meets requirements of residual solvents listed in the current JP, USP and EP.
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