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L-Tryptophan CAS Number: 73-22-3
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| Post Date: | May 29,2013 |
| Expiry Date: | May 29,2014 |
| Detailed Description: |
Cas No. :73-22-3
Quantity: 20Metric Tons Specs:98.5% to 101.5% Payment Method: TT/LC L-Tryptophan CAS Number: 73-22-3 Pharmaceutical and Nutraceutical raw material Amino acid L-Tryprophan C11H12N2O2 Product name: L-Tryptophan Abbreviation: L-Trp CAS Number: 73-22-3 Chemical Name: (2S)-2-Amino-3 -(indol-3-yl) Propanoic Acid Chemical Formula: C11H12N2O2 Molecular Weight: 204.2300 Solubility: Slightly soluble in water Property: White to yellowish white crystals, or crystalline powder L-tryptophan is an essential amino acid, which means it is not synthesized by the human body and must be acquired through the diet. The male adult’s requirement is 3.5 mg per kg of body weight. L-tryptophan is one of the least abundant essential amino acids; however, it is one of the most crucial, particularly in the production of niacin and serotonin. Sources of L-tryptophan include dairy products, beef, poultry, barley, brown rice, fish, soybeans and peanuts. L-tryptophan is a natural sedative. In the brain it is converted into serotonin, which is then converted into melatonin, which plays a key role in balancing sleep and mood patterns. L-tryptophan is used as an active ingredient in antidepressant therapy. Other uses of L-tryptophan include weight loss and reduction of PMS. Applications: This product is an important nutritional agent. It participates in the update of plasma protein in vivo, and promote the riboflavin to play a role, but also contribute to the synthesis of nicotinic acid and heme, it significant increase antibodies in the pregnant animal fetuses, and promote lactation of lactating dairy cows. When the livestock and poultry is lack of tryptophan, growth retardation, weight loss, reduced fat accumulation, testicular atrophy appears in livestock. Also used as Niacin control agents in medicine. Specifications: Item Specification( USP24) Results Description White crystals or crystalline powder powdercrystalline Conforms Specific rotation [α]D20 -29.4°to -32.8° -31.2° Chloride(Cl) Not more than 0.05 % Less than 0.05% Sulfate(SO4) Not more than 0.03% Less than 0.03% Iron(Fe) Not more than 0.003% Less than 0.003% Heavy metals(Pb) Not more than 0.0015% Less than 0.0015% Loss on drying Not more than 0.3 % 0.14% Residue on ignition (sulfated) Not more than 0.1 % 0.05% Organic volatile impurities Meets the requirements Meets the requirements Assay 98.5% to 101.5% 99.6% PH 5.5 to 7.0 5.8 |
| CAS Registry Number: | 73-22-3 |
| Synonyms: | ;H-Trp-OH;L-Tryptophane;L-Tryptohan;TRP;(S)-2-Amino-3-(3-indolyl)propionic acid;2-Amino-3-(1H-indol-3-yl)propanoic acid;Tryptophan;(S)-2-Amino-3-(1H-indol-3-yl)propanoic acid;L-alphs-Amino-3-indolepropionic acid; Indole-3-alanine; |
| Molecular Formula: | C11H12N2O2 |
| Molecular Weight: | 204.2252 |
| Molecular Structure: | 
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| Risk Codes: | R33:有累积作用的危险‖R40; |
| Safety Description: | S24/25:; |
| Company: | Yuancheng Pharmaceutical Co., Ltd Hubei [ China ] |
| Contact: | Lupin |
| Tel: | +862768886724 |
| Fax: | +862788048077-899 |
| Email: | ycgsales02@ycphar.com |
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