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Manufacturer Supply Best Price L-Proline

Basic Info

Model No.: SY-A

Product Description

    L-proline     introduction    L-proline is an Amino Acid, one of the twenty DNA-encoded amino acids. Its codons are CCU, CCC, CCA, and CCG. It is not an essential amino acid, which means that the human body can synthesize it. It is unique among the 20 protein-forming amino acids in that the amine nitrogen is bound to not one but two alkyl groups, thus making it a secondary amine. The more common L form has S stereochemistry.    Function L-proline benzyl ester hydrochloride and its derivatives are often used as asymmetric catalysts in organic reactions. The CBS reduction and proline catalysed aldol condensation are prominent examples. L-proline is an osmoprotectant and therefore is used in many pharmaceutical, biotechnological applications. In brewing, proteins rich in proline combine with polyphenols to produce haze. L-proline is one of the important amino acids for synthesizing human protein. It is widely used in the food and medical industry, and is an important intermediate for synthesizing ACE inhibitors such as Captopril and Enalapril. It is also one of the important raw materials of amino acid transfusion. L-proline has been used universally as Food Additive, catalyst and raw materials of fine chemical industry.       COA
Items Standards
Identification Via IR Absorption
Specific Optical rotation   -84.3°~--86.3°
Loss on drying 0.4% Max
Heavy metals(Pb) 15ppm Max
Assay 98.5-101.5%
Chloride(As Cl) 0.05% Max
Iron(FE) 0.003% Max
Lead 10ppm Max
Orgaic Volatile Impurities Meet The Requirements
Residue on ignition 0.4% Max
Chromatographic Purity Any individual impurity not more than 0.5% Total impurity not more than 2.0%
       Packing: 1kg/Tin, 5kg/Tin, 20kg/Drum, 25kg/Drum, 50kg/Drum, 200kg/Drum, 1MT/Drum   Storage: Store in dry places and keep away from strong direct light and heat.  

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