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Monomers

Tyr-Ala

Also known as L-tyrosyl-L-alanine, tyrosylalanine, Tyrosyl-Alanine

CAS 730-08-5Formula C12H16N2O4Molar mass 252.27 g/molEC 105-449-7
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Tyr-Ala chemical structure, C12H16N2O4, CAS 730-08-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
730-08-5
Formula
C12H16N2O4
Molar mass
252.27 g/mol
EC number
105-449-7
HS code
292429
Category
Monomers

What is Tyr-Ala?

Plain description, key identifiers and synonyms

Tyr-Ala is a dipeptide formed from L-tyrosine and L-alanine residues. It has a role as a metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]propanoic acid
CAS number
730-08-5
EC number
105-449-7
Molecular formula
C12H16N2O4
UNII
Y2DJ9AYE8Z
MDL number
MFCD00020398
InChIKey
NLKUJNGEGZDXGO-XVKPBYJWSA-N
InChI
InChI=1S/C12H16N2O4/c1-7(12(17)18)14-11(16)10(13)6-8-2-4-9(15)5-3-8/h2-5,7,10,15H,6,13H2,1H3,(H,14,16)(H,17,18)/t7-,10-/m0/s1
Canonical SMILES
CC(NC(=O)C(N)Cc1ccc(O)cc1)C(=O)O
Isomeric SMILES
C[C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=C(C=C1)O)N

Synonyms

  • L-tyrosyl-L-alanine
  • tyrosylalanine
  • Tyrosyl-Alanine
  • (2S)-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]propanoic acid
  • L-Tyr-L-Ala
  • Tyrosine-Alanine dipeptide
  • YA dipeptide
  • Y-A Dipeptide
  • Tyrosine Alanine dipeptide
  • (2S)-2-(((2S)-2-amino-3-(4-hydroxyphenyl)propanoyl)amino)propanoic acid
  • (2S)-2-(((2S)-2-azaniumyl-3-(4-hydroxyphenyl)propanoyl)amino)propanoate
  • (2S)-2-[[(2S)-2-azaniumyl-3-(4-hydroxyphenyl)propanoyl]amino]propanoate
  • 2-((2-amino-1-hydroxy-3-(4-hydroxyphenyl)propylidene)amino)propanoate
  • 2-{[2-amino-1-hydroxy-3-(4-hydroxyphenyl)propylidene]amino}propanoate
  • H-TYR-ALA-OH
  • L-Alanine, L-tyrosyl-
  • (S)-2-((S)-2-Amino-3-(4-hydroxyphenyl)propanamido)propanoic acid
  • L-Alanine, L-tyrosyl-, monomer
  • (S)-2-[(S)-2-Amino-3-(4-hydroxyphenyl)propanamido]propanoic Acid
  • YA
  • (2S)-2-[(2S)-2-Amino-3-(4-hydroxyphenyl)propanamido]propanoic acid
  • Melanin synthesized from Tyr-Ala substrate catalyzed by tyrosinase for 40 hrs
  • (S)-2-((S)-2-Amino-3-(4-hydroxyphenyl)propanamido)propanoicacid
  • (S)-2-[(S)-2-Amino-3-(4-hydroxy-phenyl)-propionylamino]-propionic acid

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
252.27 g/molcalc.
Exact mass
252.111 Dacalc.
LogP (octanol/water)
-0.15calc.
Topological polar surface area
112.7 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
5calc.
Heavy atoms
18calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

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.

Tyr-Ala suppliers

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Tyr-Ala 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

Industries and functions

Roles

  • 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 Tyr-Ala is traded under.

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Tyr-Ala, based on the data on this page

What is Tyr-Ala?

Tyr-Ala is a dipeptide formed from L-tyrosine and L-alanine residues. It has a role as a metabolite.

What is the CAS number of Tyr-Ala?

The CAS registry number of Tyr-Ala is 730-08-5.

What is the molecular formula and weight of Tyr-Ala?

The molecular formula of Tyr-Ala is C12H16N2O4 and its molar mass is 252.27 g/mol.

What is Tyr-Ala used for?

Known uses and roles of Tyr-Ala include monomers in plastics and polymers and metabolite.

Is Tyr-Ala hazardous?

No GHS hazard classification for Tyr-Ala 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 Tyr-Ala?

Tyr-Ala is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tyr-Ala?

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What is the price of Tyr-Ala?

Suppliers quote Tyr-Ala 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 Tyr-Ala

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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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