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L-Leucine CAS No.: 61-90-5
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| Post Date: | May 29,2013 |
| Expiry Date: | May 29,2014 |
| Detailed Description: |
Cas No. :61-90-5
Quantity: 20Metric Tons Specs:98.5% to 101.5% Payment Method: TT/LC L-Leucine CAS No.: 61-90-5 C6H13NO2 Food additive Amino acid L-Leucine USP for Nutritional supplements L-Leucine Chemical name is L-2-amino-3 - (4 - hydroxyphenyl) propionic acid, CAS No.: 61-90-5 Molecule Formula: C6H13NO2 Molecule Weight: 131.17 Property: white glossy hexahedral crystals or white crystalline powder. Slightly bitter taste (DL-leucine was sweet). Sublimation at 145 ~ 148 ℃. Melting point 293 ~ 295 ℃ (decomposition). In the presence of hydrocarbons, its stable in inorganic acid aqueous solution. Each gram dissolves in about 40ml water or 100ml acetic acid. Slightly soluble in ethanol (0.07%), dissolved in dilute hydrochloric acid, alkali hydroxide and carbonate solution. Insoluble in ether. An essential amino acid, adult male requirement (2.2g / d) (Japan). necessary for normal growth of infants and for adults to maintain normal nitrogen balance Naturally exist in spleen and heart, in the form of the protein in a variety of animal and plant tissues. Applications: Nutritional supplements; flavoring agent.Preparation of amino acid infusion and comprehensive amino acid preparations, hypoglycemic agents and plant growth promoters. Specifications: Item Specification( USP31) Results Description White crystals or crystalline powder, powdercrystalline Conforms Identification As per USP30 Conforms Specific rotation [α]D20 +14.9°to +17.3° +15.7° Chloride(Cl) Not more than 0.05 % Less than 0.05% Sulfate(SO4) Not more than 0.03% Less than 0.02% Iron(Fe) Not more than 30ppm Less than 30ppm Arsenic Not more than 1.0ppm Less than 1ppm Heavy metals(Pb) Not more than 15ppm Less than 15ppm Loss on drying Not more than 0.2% 0.12% Residue on ignition (sulfated) Not more than 0.4 % 0.09% PH 5.5 to 7.0 6.0 Assay 98.5% to 101.5% 99.6% |
| CAS Registry Number: | 61-90-5 |
| Synonyms: | ;(S)-2-Amino-4-methylpentanoic acid;H-Leu-OH;L-Leu;L(+)LEUCINE;Leucine; |
| Molecular Formula: | C6H13NO2 |
| Molecular Weight: | 131.17 |
| Molecular Structure: | 
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| 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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