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L-Tryptophan
Our goal is to deliver products that meet our high standards and exceed your expectations, on time, every time.Has a group of experienced researchers in the field of organic synthetic chemistry, with the ability to solve problems and troubleshoot.The target product of synthetic weights ranging from milligrams to kilograms. We have successfully completed a large number of orders for chemical custom synthesis on timeWith complete organizational structure and main positioning and high-end product structure design, R&D is the driving force for enterprise development, and quality is the basis for enterprise survival.With an international vision, rich management experience, professional R & D team and integrity and rigorous professionalism, we are committed to providing customers with the highest quality products and services.
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An essential amino acid in human. Not only for protein building, but also important substance as a precursor of niacin, serotonin, melatonin, etc. It is widely used as an ingredient in infusion.
Cas.No
73-22-3
Assay
99.0-101.0%
Specification
White to yellowish white crystals or crystalline powder, odorless, slightly bitter taste
Applications
Infusion
Packaging
25kg&50kg
Pharmacopeia
JP,USP,EP,FCC
STORAGE
Controlled room temperature in tight container
SPECIFICATION AND PROCEDURE
· * The endotoxin-certified grade will be supplied on request.
State of solution
(Transmittance)
Not Less Than 95.0%
pH
5.5~6.4
Specific rotation[α]20D
-30.5~-32.5°
Specific rotation[α]25D
-29.4~-32.8°
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
Related substances
Not More Than 0.5%
Loss on drying
Not More Than 0.20%
Residue on ignition
Not More Than 0.10%
Endotoxin*
Less Than 6.0 EU/g
Assay (dry basis)
99.0~101.0%
· ** 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.