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Amino acids and derivatives

L-Hydroxylysine

Also known as 5-hydroxylysine, erythro-5-Hydroxy-L-lysine, (2S,5R)-5-hydroxylysine

CAS 1190-94-9Formula C6H14N2O3Molar mass 162.19 g/molEC 214-726-2
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L-Hydroxylysine chemical structure, C6H14N2O3, CAS 1190-94-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1190-94-9
Formula
C6H14N2O3
Molar mass
162.19 g/mol
EC number
214-726-2
HS code
292250
Category
Amino acids and derivatives

What is L-Hydroxylysine?

Plain description, key identifiers and synonyms

Erythro-5-hydroxy-L-lysine is a 5-hydroxylysine consisting of L-lysine having an (R)-hydroxy group at the 5-position. It has a role as a human metabolite. It is a hydroxy-L-lysine and a 5-hydroxylysine. It is a conjugate base of an erythro-5-hydroxy-L-lysinium(1+).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S,5R)-2,6-diamino-5-hydroxyhexanoic acid
CAS number
1190-94-9
EC number
214-726-2
Molecular formula
C6H14N2O3
UNII
2GQB349IUB
InChIKey
YSMODUONRAFBET-UHNVWZDZSA-N
InChI
InChI=1S/C6H14N2O3/c7-3-4(9)1-2-5(8)6(10)11/h4-5,9H,1-3,7-8H2,(H,10,11)/t4-,5+/m1/s1
Canonical SMILES
NCC(O)CCC(N)C(=O)O
Isomeric SMILES
C(C[C@@H](C(=O)O)N)[C@H](CN)O

Synonyms

  • 5-hydroxylysine
  • erythro-5-Hydroxy-L-lysine
  • (2S,5R)-5-hydroxylysine
  • delta-Hydroxylysine
  • L-delta-Hydroxylysine
  • 5-Hydroxy-lysine
  • alpha,epsilon-diamino-delta-hydroxycaproic acid
  • (2S,5R)-2,6-diamino-5-hydroxyhexanoate
  • Alpha,epsilon-diamino-delta-hydroxycaproate
  • 5 Hydroxylysine
  • Lysine, 5 Hydroxy
  • 2,6 Diamino 5 hydroxyhexanoic Acid
  • Lysine, 5-Hydroxy-
  • (2S,5R)-2,6-diamino-5-hydroxyhexanoic acid
  • Hydroxylysine
  • 5-hydroxy-L-lysine
  • (5R)-5-hydroxy-L-lysine
  • L-normal-5-hydroxylysine
  • L-erythro-5-hydroxylysine
  • 5R-Hydroxy-L-lysine Dihydrochloride Salt
  • d-Hydroxylysine
  • 5R-Hydroxy-L-lysine
  • delta-hydroxy-L-lysine
  • L-d-Hydroxylysine
  • (5R)-5-Hydroxy-L-lysine Dihydrochloride, (2S,5R)-5-Hydroxylysine Dihydrochloride, 5-Hydroxylysine Dihydrochloride, Hydroxylysine Dihydrochloride
Show all 32 synonyms
  • LYZ
  • d-Hydroxy-L-lysine
  • delta-dl-hydroxylysine
  • procollagen 5-hydroxy-L-lysine
  • L-Lysine, 5-hydroxy-, erythro-
  • L-Lysine, 5-hydroxy-, (5R)-
  • procollagen L-erythro-5-hydroxy-L-lysine

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
162.19 g/molcalc.
Exact mass
162.1004 Dacalc.
LogP (octanol/water)
-1.5calc.
Topological polar surface area
109.6 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
5calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.83calc.
Formal charge
0calc.
Stereocentres
2calc.
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.

L-Hydroxylysine suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 3 countries

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L-Hydroxylysine price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Roles

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

Pharmacology

5-Hydroxylysine is a hydroxylated amino acid derivative of lysine that arises from post-translational modification. Lysine is converted into 5-hydroxylysine by lysyl hydroxylase, an oxoenzyme that catalyzes the hydroxylation of carbon-5 in lysyl residues found in proteins or peptides. Hydroxylysine residues are required for the formation and stability of triple helical collagen fibrils.

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 L-Hydroxylysine is traded under.

HS 2922.50Indicative HS code

Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function

World exports in 2024
$3.29B
−5.9% vs 2023, imports $3.19B
2019 to 2024
Top exporters
  1. China39.2%
  2. United Kingdom27.1%
  3. India * partner reported4.8%
Top importers
  1. United States20.7%
  2. Germany7.6%
  3. Italy6.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about L-Hydroxylysine, based on the data on this page

What is L-Hydroxylysine?

Erythro-5-hydroxy-L-lysine is a 5-hydroxylysine consisting of L-lysine having an (R)-hydroxy group at the 5-position. It has a role as a human metabolite. It is a hydroxy-L-lysine and a 5-hydroxylysine. It is a conjugate base of an erythro-5-hydroxy-L-lysinium(1+).

What is the CAS number of L-Hydroxylysine?

The CAS registry number of L-Hydroxylysine is 1190-94-9.

What is the molecular formula and weight of L-Hydroxylysine?

The molecular formula of L-Hydroxylysine is C6H14N2O3 and its molar mass is 162.19 g/mol.

What is L-Hydroxylysine used for?

Known uses and roles of L-Hydroxylysine include animal metabolite, eukaryotic metabolite, human metabolite, mammalian metabolite and metabolite.

Is L-Hydroxylysine hazardous?

No GHS hazard classification for L-Hydroxylysine 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 L-Hydroxylysine?

L-Hydroxylysine is usually classified under HS code 292250 (Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function). This is indicative, confirm it with your customs broker before shipping.

Where can I buy L-Hydroxylysine?

CompoundList lists 3 suppliers of L-Hydroxylysine in China, Ukraine and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of L-Hydroxylysine?

Suppliers quote L-Hydroxylysine 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

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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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