| Product name： | L-Proline |
| Description： | |
Yuebao Brand L-Proline is the reputable product of China. The transfusion of L-Proline has won the Quality Approval and recommended by Chinese Chemical pharmaceutical Industry Association. It is sold to Occident and Southeast Asia, etc. as well as home market.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. L-Proline:(S)-2-Pyrrolidinecarboxylic acidCAS No.: 147-85-3C5H9NO2：115.13Certificate：COS，cGMP，ISO，KOSHERSPEC：AJI2002 /USP26/ EP5Specification：AJI2002/ USP26/ EP5 ItemSpecificationAJI2002USP26EP5DescriptionWhite crystals or crystalline powder; slightly sweet taste, very soluble in water, freely soluble in glacial acetic acid, sparingly soluble in ethanol, practically insoluble in diethyl ether. White or almost white, crystalline powder or colorless crystals,very soluble in water,freely soluble in alcohol .Specific rotation,°-84.5 to -86.0Specific rotation,°-84.3 to -86.3-84.0 to -86.0IdentificationMust complyMust complyMust complyState of solution，% clear and colourless≥98.0 Appearance of Solution,clear and colourless Chloride(Cl), %≤0.020≤0.05≤0.02Ammonium(NH4), %≤0.02 ≤0.02Sulfate(SO4), %≤0.020≤0.03≤0.03Iron(Fe), %≤0.001≤0.003≤0.001Heavy metals(Pb), %≤0.001≤0.0015≤0.001Arsenic(As2O3), %≤0.0001 Other amino acidsConformsChromatographic purity,Conforms Ninhydrin-positive substances,Comply with the provisionLoss on drying，%≤0.30≤0.4≤0.5Residue on Ignition(sulfate)，%≤0.10≤0.4 Sulfated ash, % ≤0.1Assay, %98.5 to 101.098.5 to 101.598.5 to 101.0pH5.9 to 6.9 Endotoxin<6.0EU/g | |
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