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To create more benefit for buyers is our business philosophy; shopper growing is our working chase for Lycium Barbarum L Factory, Professional Lycium Barbarum L Factory, Best-Selling Lycium Barbarum L Factory, Our goal is "blazing new ground, Passing Value", in the potential, we sincerely invite you to mature up with us and create a vivid foreseeable future jointly! To create much more benefit for consumers is our company philosophy; customer growing is our working chase for Lycium Barbarum L Factory, We're introduced as a one of the growing manufacture supplier and export of our merchandise. Now we have a team of dedicated trained experienced who take care the quality and timely supply. If you are looking for Good Quality at a good price and timely delivery. Do contact us.
  • L – Tryptophan CAS No.: 73-22-3/Powder L – Tryptophan/ Amino Acids/L – Tryptophan

    Product Description:
    L-TRYPTOPHANCAS No: 73-22-3Molecular Formula: C11H12N2O2 Molecular Weight: 204.23 Appearance: White crystal or crystalline powder and material produce   Items Standard Test Result Appearance White to yellowish white crystals or crystalline powder Conforms Identification Infrared Absorption Conforms Assay 98.5%~101.5% 99.3% Specific rotation [α]D25 -29.4°~-32.8° -31.2° pH 5.5~7.0 5.7 Loss on drying ≤0.30% 0.15% Residue on ignition ≤0.10% 0.08% Chloride(Cl) ≤0.05% <0.05% Sulfate(SO4) ≤0.03% <0.03% Iron(Fe) ≤0.003% <0.003% Heavy metals, as Pb ≤0.00...
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