L-Serine CAS:56-45-1 98.5%~101.0%
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 |
SPECIFICATIONAND 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% |
Serine is a non-essential amino acid in humans (synthesized by the body), Serine is present and functionally important in many proteins. With an alcohol group, serine is needed for the metabolism of fats, fatty acids, and cell membranes; muscle growth; and a healthy immune system. It also plays a major role in pyrimidine, purine, creatine, and porphyrin biosynthetic pathways. Serine is also found at the active site of the serine protease enzyme class that includes trypsin and chymotrypsin.
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