L-Tryptophan, CaS NO.: 73-22-3

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禆鳼儚殥膱?鵨鋹,C11H12N2O2">

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L-Tryptophan, CaS NO.: 73-22-3

禆鳼儚殥膱?鵨鋹

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﹉: -30.5﹉--32.5﹉
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
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Mutual Chemical Imp. & Exp. Co., Ltd.

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Fax	86-376-3286988
Homepage	www.mutualchem.com
E-mail	mutualchem@gmail.com
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