L-Lysine

C6H14N2O2CAS 56-87-1146.19 g/mol

H2NNH2OOH
Carboxylic acidPrimary amine

Properties

Molecular formula
C6H14N2O2
Molar mass
146.19 g/mol
Exact mass
146.1055 Da
Density
1.4516 g/mL (at 45 °C)
Melting point
5–224 °C (decomposes)
pKa
2.18, 8.95, 10.53 (38 °C)
Water solubility
freely soluble
logP
-0.47Crippen estimate
Polar surface area
89.3 Ų
H-bond donors / acceptors
3 / 3
Rotatable bonds
5
Stereocentres
Sin SMILES atom order

Hazards

Not classified as hazardous under GHS by 119 ECHA notifiers. Aggregated from 119 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Identifiers

CAS number
56-87-1
SMILES
NCCCC[C@H](N)C(=O)O
InChIKey
KDXKERNSBIXSRK-YFKPBYRVSA-N
InChI
InChI=1S/C6H14N2O2/c7-4-2-1-3-5(8)6(9)10/h5H,1-4,7-8H2,(H,9,10)/t5-/m0/s1

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Type any one amount. The others follow from the molar mass and density.

Names and synonyms

22 names · show all
  • Lysine, L-
  • Hexanoic acid, 2,6-diamino-, (S)-
  • Lysine acid
  • Lysine
  • 2,6-Diaminohexanoic acid
  • (S)-α,ε-Diaminocaproic acid
  • L-(+)-Lysine
  • Aminutrin
  • (S)-2,6-Diaminohexanoic acid
  • α-Lysine
  • (S)-Lysine
  • (+)-S-Lysine
  • L-Norleucine, 6-amino-
  • L-2,6-Diaminocaproic acid
  • h-Lys-oh
  • L-Lys
  • Malandil
  • Biolys
  • LLB 50
  • 38: PN: WO2020027640 SEQID: 101 claimed protein
  • 38: PN: KR20200014684 SEQID: 101 claimed sequence
  • 114: PN: WO2021061872 SEQID: 114 claimed protein

Work with L-Lysine

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere