Hot Sale L-Tryptophan From Natural Raw Material

• CAS No.: 73-22-3
• Formula: C11h12n2o2
• EINECS: 221-772-7
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Refined
• Colour: White
• Transport Package: Paper Drum
• Specification: 25
• Origin: China
• HS Code: 2933990099
• Production Capacity: 5mt/Month

Product Description

Product Description

Product Name:L-Tryptophan 
CAS No.:73-22-3
Other Names:(S)-2-Amino-3-(3-indolyl)propionic acid
MF:C11H12N2O2
EC No.:200-795-6
Grade:Food Grade,Pharm Grade
Standard:USP/AJI/EP/CP
Appearance:White Crystalline Powder
Shelf life:2 Years
Assay:99.0~100.5%
Appearance:White Crystalline Powder
Molecular Weight:204.23


Description:
L-Threonine is an essential amino acid in humans (provided by food), Threonine is an important residue of many proteins, such as tooth enamel, collagen, and elastin. An important amino acid for the nervous system, threonine also plays an important role in porphyrin and fat metabolism and prevents fat buildup in the liver. Useful with intestinal disorders and indigestion, threonine has also been used to alleviate anxiety and mild depression. 
 

Product Parameters

 

Test  Item	Specification
Appearance	White to yellowish white crystals or crystalline powder
Identification	Meets the requirements
Specific rotation [α]D20	-30.5°~-32.5°
State of solution	≥95.0%
Residue on ignition	≤ 0.10%
Chloride(Cl)	≤ 0.020%
Sulfate(SO4)	≤ 0.020%
Ammonium	≤ 0.02%
Iron(Fe)	≤ 20ppm
Heavy metals(Pb)	≤ 10ppm
Arsenic(As2O3)	≤ 1ppm
Other amino acids	≤ 0.5%
Loss on drying	≤ 0.20%
Assay	99.0~100.5%
pH	5.4-6.4

 

 

Packaging & Shipping

 

 

Function/Appilication

1.L-Tryptophane used as an antioxidant.
2.Tryptophan is a precursor of the neurotransmitter serotonin, which is an important human body, and it is one of the essential amino acids for the human body;
3.It is used in maternal nutritional supplements and special milk for infants and young children;
4.It is used in the treatment of nicotinic acid deficiency (Pellagra) Medicine; as a tranquilizer, regulate spiritual rhythm and improve sleep.

 

Company Profile

Ningbo Newrainbow Biochemicals Co.,Ltd. is an Eastern China-based import and export company dealing with Amino acids, Vitamins, Plant Extracts and all the other Ingredients which are widely used in pharmaceutical, nutraceutical, food and cosmetical industry. Started in the year of 2012, we understand the importance of timely shipping and have built our business around reliable services. From beginning to the end, our customers know that they can trust our team to deliver only the highest quality customer service.


Ningbo is a beautiful city and also an ancient harbour city. It is an important trading port and today with 1.2 billion tons of freight the biggest harbour all over the world. And only 2 hours drive to Shanghai city. Thanks to the big advantages of location, we have very good partners of logistic solution to eliminate all of customers supply chain inefficiencies for you.  

Our young company started from the year of 2012, we have developed very good partnership with a lot of manufacturers here and many esteemed customers abroad.All the manufacturers we cooperated are carefully screened and we go to their plant often in case of inspection for some purpose. Certificates such like KOSHER/HALAL/FSSC are all available.

Certifications

 

 

 

Our Advantages

1.Strictly quality inspection before delivery
2.Very good logistics and transportation service
3.Good payment terms
4.Good communication