DL-Tryptophan
Molecular Structure:
MDL:
MFCD00064339
Molecular Formula:
C11H12N2O2
Molecular Weight:
204.23
Alias:
(±)-α-Amino-3-indolepropionic acid
(±)-2-Amino-3-(3-indolyl)propionic acid
DL-3β-Indolylalanine
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
DL-Tryptophan |
99% |
100g |
RMB 1056 |
Consulting service |
DL-Tryptophan |
99% |
25g |
RMB 308 |
Consulting service |
DL-Tryptophan |
99% |
5g |
RMB 121 |
Consulting service |
Character:
味稍甜。对光敏感。在碱液中稳定,遇强酸分解。水中溶解度: 10 g/L (20°C) 溶于碱性氢氧化物溶液,溶于热乙醇,不溶于氯仿,溶液盐酸。
熔点:275~282℃
Quality Standard:
外观Appearance 白色至类白色粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥99% (TLC)
干燥损失Loss on drying <0.4 %
重金属Heavy metals (as Pb) <25 ppm
灼烧残渣Residue on ignition <0.1 %
Storage:
密封阴凉干燥避光保存。
用途 营养和生化研究,制备组织培养基。