产品名称: | L-Tryptophan |
Cas No.: | 73-22-3 |
规格:: | 98%-101.5% |
价格: | 1元/ |
发布日期:: | 2015-04-16 |
Specification of L-Tryptophan [CAS No.]: 73-22-3 [Molecular Weight]:204.23 [Chemical Formula]: C11H12N2O2 Items Specification Description White to yellow crystals or crystalline powder, tasteless, odorless Assay 98%-101.5% Quality Standard GB/T25734-2010 Hp 5.0-7.0 Specific Rotation -29.0°-32.8° Loss on Drying ≤0.5% Residual on Ignition ≤0.5% Arsenic ≤2ppm Heavy Metal ≤15ppm |