L-Histidine

L-Histidine is a chemical compound registered under number CAS 71-00-1, with the molecular formula C₆H₉N₃O₂, and a molar mass of 155.15 g/mol.

The molecule contains 20 atoms connected by 20 chemical bonds. The full systematic IUPAC name of this compound is (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, the partition coefficient logP = -3.2 (negative value, a hydrophilic compound), polar surface area PSA = 92 Ų, 3 donors and 4 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.

Molecular formula	C6H9N3O2
Masa molowa	155.15 g/mol
IUPAC	(2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid
SMILES	C1=C(NC=N1)C[C@@H](C(=O)O)N
InChIKey	HNDVDQJCIGZPNO-YFKPBYRVSA-N
logP (XLogP3)	-3.2
PSA	92 Ų
HBD / HBA	3 / 4
PubChem CID	CID 6274 ↗

Signal word: Warning

L-histidine · histidine · 71-00-1 · glyoxaline-5-alanine · L-(-)-Histidine · histidina · Istidina · HISTIDINE, L- · L-Histidin · (2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid · (S)-4-(2-Amino-2-carboxyethyl)imidazole · FEMA No. 3694 · L-His · (S)-alpha-amino-1H-imidazole-4-propanoic acid · Histidinum

• 📊 PubChem CID 6274 — NIH
• 🔬 NIST WebBook — spektroskopia
• 🌐 Wikidata
• 💊 ChEMBL — bioaktywność