Histidina

C₆H₉N₃O₂

IUPAC: (2S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid

CAS: 71-00-1

Descripción general

Histidine is a conditionally essential amino acid containing an imidazole side chain. It is the precursor to histamine and plays a crucial role in enzyme active sites.

Composición

Elemento Símbolo Átomos Masa atómica
Hidrógeno H 9 1,0080
Carbono C 6 12,0110
Nitrógeno N 3 14,0070
Oxígeno O 2 15,9990

Composición elemental

H
Hidrógeno ×9
5,8%
C
Carbono ×6
46,4%
N
Nitrógeno ×3
27,1%
O
Oxígeno ×2
20,6%

Usos

  • • Dietary supplement
  • • Pharmaceutical
  • • Metal chelation

Datos curiosos

  • ✦ The imidazole group allows histidine to switch between protonated and neutral forms at physiological pH

Estructura

SMILES

C1=C(NC=N1)CC(C(=O)O)N

Propiedades

Tipo
organic
Estado
solid
Masa molar
155,16 g/mol
Densidad
1,4200 g/cm³
Punto de fusión
282,0 °C
Solubilidad
43 g/L at 25°C

Descriptores moleculares

Masa exacta
155,0695
XLogP
-3,2
TPSA
92,0 Ų
Donadores de enlace de hidrógeno
3
Aceptores de enlace de hidrógeno
4
Enlaces rotables
3
Átomos pesados
11
Complejidad
151,0

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C₂H₄Cl₂

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C₄H₆

1,4-Dioxano

C₄H₈O₂

1-Butanol

C₄H₁₀O

2-Propanol

C₃H₈O

Acetaldehído

CH₃CHO

Acetamida

C₂H₅NO

Acetato de butilo

C₆H₁₂O₂

Acetato de etilo

C₄H₈O₂

Acetato de vinilo

C₄H₆O₂

Frequently Asked Questions

What is Histidina?
Histidina (C₆H₉N₃O₂) is a organic compound with the IUPAC name (2S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid.
What is the molecular weight of Histidina?
Histidina has a molar mass of 155.16 g/mol.
What state is Histidina at room temperature?
Histidina is a solid at room temperature.
Is Histidina organic or inorganic?
Histidina is classified as an organic compound.
What elements make up Histidina?
Histidina (C₆H₉N₃O₂) is composed of Hidrógeno (H), Carbono (C), Nitrógeno (N), Oxígeno (O).