CAS:73-22-3 L-Tryptophan

Min.Order / FOB Price:Get Latest Price

1 Metric Ton	FOB Price:USD 1.0000 -10.0000

1 Metric Ton

FOB Price:USD 1.0000 -10.0000

Min.Order :1 Metric Ton
Purity: 99%
Payment Terms : L/C,D/A,T/T

Keywords

L-Tryptophan L-Tryptophan L(-)-Tryptophan

Quick Details

Appearance:See details
Application:Pharmaceutical intermediates
PackAge:See details
ProductionCapacity:0.5|Metric Ton|Day
Storage:Room temperature
Transportation:By sea or by air

Superiority:

The main technical force is composed of doctors and masters who have been engaged in organic synthesis for many years. More than 90% of them have bachelor degree or above.

Details:

L-Tryptophan

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

State of solution (Transmittance)	Not Less Than 95.0%
pH	5.5～6.4
Specific rotation[α]²⁰_D	-30.5～-32.5°
Specific rotation[α]²⁵_D	-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%

· * 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.

Provide high quality, high purity compounds with years of custom compound synthesis experience.We listen carefully to our customers' opinions and needs, and provide timely and effective feedback, and continue to improve and improve, ready to accept greater challengesProfessional project management talents, perfect project management system; customized production tailored to help customers reduce capital and time costs.Our company can complete the pilot test and enlargement production of various types of reactions.The main technical force is composed of doctors and masters who have been engaged in organic synthesis for many years. More than 90% of them have bachelor degree or above.

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