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L-Tryptophan, CaS NO.: 73-22-3 |
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C11H12N2O2 |
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pharmaceutical
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L-Tryptophan, CaS NO.: 73-22-3 Chemical Name: L-Tryptophan Molecular Formula: C11H12N2O2 Molecular Weight: 204.23 Characteristics: White to yellowish white crystalline powder Packing: 25kg/drum,25kg/carton Quality Standard: aJI92/USP28/EP5/FCCIV Specification Specific rotation[a]D20¡Æ: -30.5¡Æ--32.5¡Æ State of solution: Clear (Tranamittance): min.95.0% Chloride(Cl): max0.02% ammonium(NH4): max0.02% Sulfate(SO4): max0.020% Iron(Fe): max20PPm Heavy metals(Pb): max10PPm arsenic(as2O3): max1PPm Other amio acids: conforms Loss on drying: max0.20% Residue on ignition(Sulfated): max0.10% assay: 99.0-100.5% PH: 5.4-6.4 mutualchem(at)gmail(dot)com
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