CAS:56-45-1 L-Serine

Details:

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.

Cas.No	56-45-1
Assay	99.0-101.0%
Specification	White crystals or crystalline powder, odorless, slightly sweet taste
Applications	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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