DL histidine / (±) - 2-amino-3 - (4-imidazolyl) propionic acid
CAS No.： 4998-57-6
Item No.： AA0105
Store at： RT
Item No.： AA0105
Store at： RT
English Name: DL histidine; (±)-2-Amino-3-(4-imidazolyl)propionic acid
Other names: Dl-2-amino-3 - (1h-imidazol-4-yl) propionic acid; DL tissue amino acid
CAS No.: 4998-57-6
C6H9N3O2=155.16
Grade: br
Content: ≥ 99.0%
Specific rotation: 14.3 ~ 15.2 °
Chloride: ≤ 0.10%
Heavy metals: ≤ 10ppm
Arsenic salt: ≤ 2ppm
Loss on drying: ≤ 0.20%
Burning residue: ≤ 0.20%
Physicochemical properties: white or light yellow crystalline powder. Soluble in water, insoluble in ethanol, ether, acetone and chloroform. Melting point 285 ~ 286 ℃ (decomposition).
Purpose: biochemical research
Save: RT
