About
L-Glutamine
Although L-Glutamine is classified as a non essential amino acid in humans, it is said to be a "conditional essential amino acid" as it is easily exhausted under condition of stress.
(This information is not for Japanese market)
| Cas.No | 56-85-9 |
|---|---|
| Assay | 99.0-101.0% |
| Description | White crystals or crystalline powder, odorless, slightly characteristic taste |
| Uses | Pharmaceutical, Cell culture media |
| Packaging | 25kg&50kg |
| Pharmacopeia | JP,USP,FCC |
| STORAGE | Controlled room temperature in tight container |
SPECIFICATION AND PROCEDURE
| State of solution (Transmittance) |
Not Less Than 98.0% |
|---|---|
| pH | 4.0～6.0 |
| Specific rotation[α]20D | +6.3～+7.3° |
| 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 0.5% |
| 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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