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H-Trp-OH | L-Tryptophan | CAS 73-22-3 is often used in nutrition and biochemical research. It is an important component of amino acid infusion and comprehensive amino acid preparations. H-Trp-OH is first obtained by synthetic method to obtain DL-tryptophan, and then obtained by optical disassembly method.
Product Data Sheet
Product Name:H-Trp-OH; L-Tryptophan
Cas No. 73-22-3
Purity (HPLC) 99%min.
Appearance White to off-white crystalline powder
Melting Point 280-285°C (dec)
Specific Rotation[a]20D: -29.4° to -32.8° (c = 1 in H2O)
Shipping & Storage
1. Peptides in the form of lyophilized powder provided can be stably transported under normal temperature through sealed packaging.Peptides requiring long-term preservation shall be stored in a sealed container containing desiccant in the form of lyophilized powder and stored at a temperature below - 20 centigrade, which can avoid peptide degradation, bacterial degradation and oxidation, and the formation of secondary structure of peptide.
2. The dissolved peptide is much more unstable than the lyophilized form.The peptide in the form of solution should be dissolved in the sterile water of pH 5-7(or filter with 0.2 μ m membrane) and stored at - 20 centigrade.Stored in small amount respectively to avoid repeated freezing and dissolve of them.
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4.Provide with the goods: quality analysis report (COA,MS,HPLC) ,Other corresponding analysis reports.
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