title: Histidine (data page)
text: # Histidine (data page)
  
  The complete data for Histidine (v) :
  
  * Database data |
  * SMILES: C1=C(NC=N1)CC(C(=O)O)N InChI=1/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m{0/1}/s1/f/h9-10H  ATC: N/A CAS: 351-50-8 (D), 71-00-1 (L) DrugBank: N/A EINECS: 206-513-8 (D) , 200-745-3 (L)  PubChem: 71083 (D) , 6274 (L) |
  * Physical properties |
  * Structure Crystal data Spectral dataUV-Vis IR NMR MS - Masses of main fragments: GMD MS SpectrumPhase behavior Solid properties $T_m:$ 287 °C Liquid properties Gas properties |
  * Hazard properties |
  * MSDS N/AMain hazards:- N/ANFPA 704Flash point- N/ARTECS number: N/A |
  * Chemical properties |
  * XLogP: -3.461pI: $7.59pK_a:$ 1.70; 6.04; 9.09Tautomers: 2Hydrogen bond: donor - 3;  acceptor - 5 |
  * Pharmacological properties |
  * view
  * Except where noted otherwise, data relate to Standard temperature and pressure.
  * Reliability of data general note.
  