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L5501

Sigma-Aldrich

L-Lysine

≥98% (TLC), suitable for ligand binding assays

Synonym(s):

(S)-2,6-Diaminocaproic acid

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About This Item

Linear Formula:
H2N(CH2)4CH(NH2)CO2H
CAS Number:
56-87-1
Molecular Weight:
146.19
Beilstein:
1722531
EC Number:
200-294-2
MDL number:
MFCD00064433
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
24896404
NACRES:
NA.26
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Product Name

L-Lysine, ≥98% (TLC)

Assay

≥98% (TLC)

form

powder

technique(s)

ligand binding assay: suitable

color

white to off-white

mp

215 °C (dec.) (lit.)

solubility

H2O: soluble

SMILES string

NCCCC[C@H](N)C(O)=O

InChI

1S/C6H14N2O2/c7-4-2-1-3-5(8)6(9)10/h5H,1-4,7-8H2,(H,9,10)/t5-/m0/s1

InChI key

KDXKERNSBIXSRK-YFKPBYRVSA-N

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1 of 4

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S8875S5761792519
Sodium bicarbonate ACS reagent, ≥99.7%

S6014

Sodium bicarbonate

Sodium bicarbonate ReagentPlus®, ≥99.5%, powder

S8875

Sodium bicarbonate

Sodium bicarbonate powder, BioReagent, for molecular biology, suitable for cell culture, suitable for insect cell culture

S5761

Sodium bicarbonate

Sodium bicarbonate anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.7%

792519

Sodium bicarbonate

assay

≥99.7%, 99.7-100.3%

assay

≥99.5%

assay

99.5-100.5%

assay

≥99.7%

Quality Level

300

Quality Level

200

Quality Level

300

Quality Level

100

grade

ACS reagent

grade

-

grade

for molecular biology

grade

ACS reagent, anhydrous

impurities

≤0.015% Insoluble matter

impurities

-

impurities

-

impurities

≤0.015% insoluble matter

cation traces

Ca: ≤0.02%, K: ≤0.005%, NH4+: ≤5 ppm, Fe: ≤0.001%, heavy metals: ≤5 ppm (by ICP-OES), Mg: ≤0.005%

cation traces

-

cation traces

-

cation traces

Ca: ≤0.02%, Fe: ≤0.001%, K: ≤0.005%, Mg: ≤0.005%, NH4+: ≤5 ppm, heavy metals: ≤5 ppm (by ICP-OES)

General description

L-lysine contains basic side chain and is hydrophilic in nature. The N-butyl amino group in the side chain is found to be protonated at physiological pH. Upon degradation, L-lysine gives ketone bodies. Transamination of lysine with α-ketoglutarate produces acetoacetyl CoA.[1][2] L-lysine serves as a precursor for secondary metabolites, such as β-lactam antibiotics. It also serves as a precursor for the biosynthesis of α-aminoadipic acid.[3]

Application

L-Lysine is an essential proteinogenic α amino acid used in a wide range of applications. It has been used:
  • as a supplement in cell culture media[4][5][6][7]
  • as a substrate for enzymes such as L-lysine oxidase (EC 1.4.3.14)
  • as a component of poly-lysine polymers
  • as a substrate for oxidation and glycation mechanism studies
  • in the preparation of cobaltous lysine[8][9]

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves
  • Specification Sheet

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    Certificates of Analysis (COA)

    Lot/Batch Number
    BCCM1796
    BCCM5272
    BCCK1358
    BCCJ7048
    BCCH2019

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    S P Collin
    The Journal of comparative neurology, 281(1), 143-158 (1989-03-01)
    The retinal topography of the adult coral trout Plectropoma leopardus (Serranidae, Perciformes) is examined in Nissl-stained material and confirmed by means of retrograde labelling with cobalt-lysine from the optic nerve. Concentric isodensity contours surround a temporoventral area centralis of over
    Devlin T M
    Textbook of Biochemistry: With Clinical Correlations (5th ed.), 97-97 (2002)
    A D Springer et al.
    The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 30(12), 1235-1242 (1982-12-01)
    The introduction of heavy metals directly into living neuronal tissue has received little attention as a method for defining connections in the vertebrate nervous system. Procedures are described for the use of cobaltous-lysine to trace visual pathways with light microscopy.
    Stryer L. and W. H. Freeman
    Biochemistry (3rd Edition), 19-20 (1988)
    François-Michel Boisvert et al.
    Molecular & cellular proteomics : MCP, 11(3), M111-M111 (2011-09-23)
    Measuring the properties of endogenous cell proteins, such as expression level, subcellular localization, and turnover rates, on a whole proteome level remains a major challenge in the postgenome era. Quantitative methods for measuring mRNA expression do not reliably predict corresponding
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