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Amino acids and derivatives

Trimethyllysine

Also known as epsilon-Trimethyllysine, epsilon-Trimethyl-L-lysine, epsilon-N-Trimethyl-L-lysine

CAS 19253-88-4Formula C9H21N2O2+Molar mass 189.28 g/mol
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Trimethyllysine chemical structure, C9H21N2O2+, CAS 19253-88-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
19253-88-4
Formula
C9H21N2O2+
Molar mass
189.28 g/mol
HS code
292390
Category
Amino acids and derivatives

What is Trimethyllysine?

Plain description, key identifiers and synonyms

N(6),N(6),N(6)-trimethyl-L-lysine is an alpha-amino-acid cation that is the N6-trimethyl derivative of L-lysine. It has a role as a mouse metabolite and a human metabolite. It is a tautomer of a N(6),N(6),N(6)-trimethyl-L-lysine zwitterion.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(5S)-5-amino-5-carboxypentyl]-trimethylazanium
CAS number
19253-88-4 CAS number cross-checked
Molecular formula
C9H21N2O2+
UNII
3YGF0495O2
InChIKey
MXNRLFUSFKVQSK-QMMMGPOBSA-O
InChI
InChI=1S/C9H20N2O2/c1-11(2,3)7-5-4-6-8(10)9(12)13/h8H,4-7,10H2,1-3H3/p+1/t8-/m0/s1
Canonical SMILES
C[N+](C)(C)CCCCC(N)C(=O)O
Isomeric SMILES
C[N+](C)(C)CCCC[C@@H](C(=O)O)N

Synonyms

  • epsilon-Trimethyllysine
  • epsilon-Trimethyl-L-lysine
  • epsilon-N-Trimethyl-L-lysine
  • (S)-5-Amino-5-carboxy-N,N,N-trimethyl-1-pentanaminium
  • Trimethylllysine
  • Nepsilon-trimethyllysine
  • 6-N-L-trimethyl-L-lysine
  • Ammonium, (5-amino-5-carboxypentyl)trimethyl-, L-
  • 1-Pentanaminium, 5-amino-5-carboxy-N,N,N-trimethyl-, (S)-
  • (2S)-2-azaniumyl-6-(trimethylazaniumyl)hexanoate
  • epsilon-N-trimethyl-lysine
  • N-Trimethyllysine
  • N(epsilon)-Trimethyllysine
  • N(6),N(6),N(6)-trimethyl-L-lysine
  • (S)-5-Amino-5-carboxy-N,N,N-trimethylpentan-1-aminium
  • [(5S)-5-amino-5-carboxypentyl]-trimethylazanium
  • (S)-2-amino-6-(trimethylammonio)hexanoic acid
  • N-[(5S)-5-amino-5-carboxypentyl]-N,N-dimethylmethanaminium
  • trimethyl-l-lysine
  • N-N-N-Trimethyllysine
  • N-epsilon-trimethyllysine
  • n6,n6,n6-trimethyllysine
  • 6-N-Trimethyl-l-lysine
  • N.epsilon.-trimethyllysine
  • N.epsilon.-trimethyl-l-lysine
Show all 27 synonyms
  • N(6),N(6),N(6)-trimethyl-L-lysin-N(6)-ium
  • (5S)-5-Amino-5-carboxy-N,N,N-trimethyl-1-pentanaminium

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
189.28 g/molcalc.
Exact mass
189.1598 Dacalc.
LogP (octanol/water)
0.27calc.
Topological polar surface area
63.32 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
6calc.
Heavy atoms
13calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.89calc.
Formal charge
1calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Trimethyllysine suppliers

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Trimethyllysine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Mitogens

Roles

  • animal metabolite
  • eukaryotic metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite
  • mouse metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Trimethyllysine is traded under.

HS 2923.90Indicative HS code

Quaternary ammonium salts and hydroxides whether or not chemically defined not elsewhere classified…

World exports in 2024
$1.07B
+14.4% vs 2023, imports $1.16B
2019 to 2024
Top exporters
  1. China36.7%
  2. United States14.2%
  3. Netherlands9.4%
Top importers
  1. South Korea10.7%
  2. Germany10.1%
  3. United States9.9%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Trimethyllysine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Trimethyllysine, based on the data on this page

What is Trimethyllysine?

N(6),N(6),N(6)-trimethyl-L-lysine is an alpha-amino-acid cation that is the N6-trimethyl derivative of L-lysine. It has a role as a mouse metabolite and a human metabolite. It is a tautomer of a N(6),N(6),N(6)-trimethyl-L-lysine zwitterion.

What is the CAS number of Trimethyllysine?

The CAS registry number of Trimethyllysine is 19253-88-4.

What is the molecular formula and weight of Trimethyllysine?

The molecular formula of Trimethyllysine is C9H21N2O2+ and its molar mass is 189.28 g/mol.

What is Trimethyllysine used for?

Known uses and roles of Trimethyllysine include animal metabolite, eukaryotic metabolite, human metabolite, mammalian metabolite, metabolite and 2 more.

Is Trimethyllysine hazardous?

No GHS hazard classification for Trimethyllysine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Trimethyllysine?

Trimethyllysine is usually classified under HS code 292390 (Quaternary ammonium salts and hydroxides, lecithins and other phosphoaminolipids…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Trimethyllysine?

Post a free request on CompoundList and suppliers of Trimethyllysine will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Trimethyllysine?

Suppliers quote Trimethyllysine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Trimethyllysine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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