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Amino acids and derivatives

Dityrosine

Also known as o,o-Dityrosine, Bityrosine, alpha,alpha'-Diamino-6,6'-dihydroxy-(1,1'-biphenyl)-3,3'-dipropanoic acid

CAS 980-21-2Formula C18H20N2O6Molar mass 360.37 g/mol
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Dityrosine chemical structure, C18H20N2O6, CAS 980-21-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
980-21-2
Formula
C18H20N2O6
Molar mass
360.37 g/mol
HS code
292250
Category
Amino acids and derivatives

What is Dityrosine?

Plain description, key identifiers and synonyms

Dityrosine is a biphenyl compound comprising two tyrosine residues linked at carbon-3 of their benzene rings. It has a role as a biomarker. It is a member of biphenyls, a tyrosine derivative and a non-proteinogenic alpha-amino acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-amino-3-[3-[5-(2-amino-2-carboxyethyl)-2-hydroxyphenyl]-4-hydroxyphenyl]propanoic acid
CAS number
980-21-2Other or deprecated CAS: 221308-01-6
Molecular formula
C18H20N2O6
InChIKey
OQALFHMKVSJFRR-UHFFFAOYSA-N
InChI
InChI=1S/C18H20N2O6/c19-13(17(23)24)7-9-1-3-15(21)11(5-9)12-6-10(2-4-16(12)22)8-14(20)18(25)26/h1-6,13-14,21-22H,7-8,19-20H2,(H,23,24)(H,25,26)
SMILES (canonical and isomeric)
C1=CC(=C(C=C1CC(C(=O)O)N)C2=C(C=CC(=C2)CC(C(=O)O)N)O)O

Synonyms

  • o,o-Dityrosine
  • Bityrosine
  • alpha,alpha'-Diamino-6,6'-dihydroxy-(1,1'-biphenyl)-3,3'-dipropanoic acid
  • Dityrosine Dihydrochloride
  • LL-dityrosine
  • 3,3'-(6,6'-dihydroxy-[1,1'-biphenyl]-3,3'-diyl)bis(2-aminopropanoic acid)
  • 2-Amino-3-[5'-(2-amino-2-carboxy-ethyl)-6,2'-dihydroxy-biphenyl-3-yl]-propionic acid
  • 2-amino-3-[3-[5-(2-amino-3-hydroxy-3-oxopropyl)-2-hydroxyphenyl]-4-hydroxyphenyl]propanoic acid
  • 2-amino-3-[3-[5-(2-amino-2-carboxyethyl)-2-hydroxyphenyl]-4-hydroxyphenyl]propanoic acid
  • 2-amino-3-[3-[5-(2-amino-2-carboxy-ethyl)-2-hydroxy-phenyl]-4-hydroxy-phenyl]propanoic acid
  • 980-21-2(free base)
  • 3 ,3'-Bityrosine hydrochloride
  • [1,1'-Biphenyl]-3,3'-dipropanoicacid, a3,a3'-diamino-6,6'-dihydroxy-
  • 3,3'-(6,6'-dihydroxybiphenyl-3,3'-diyl)bis(2-aminopropanoic acid)
  • (1,1'-Biphenyl)-3,3'-dipropanoic acid, alpha,alpha'-diamino-6,6'-dihydroxy-
  • [1,1'-Biphenyl]-3,3'-dipropanoic acid, alpha3,alpha3'-diamino-6,6'-dihydroxy-
  • 3,3'-(6,6'-dihydroxy-[1,1'-biphenyl]-3,3'-diyl)bis(2-aminopropanoicacid)
  • 3,3'-(6,6'-Dihydroxy[1,1'-biphenyl]-3,3'-diyl)bis(2-aminopropanoic acid)
  • (?3S,?3'S)-?3,?3'-Diamino-6,6'-dihydroxy-[1,1'-biphenyl]-3 ,3'-dipropanoic acid hydrochloride
  • [S-(R*,R*)]-?,?'-Diamino-6 ,6'-dihydrox y-[1,1'-biphenyl]-3,3'-dipropanoic acid hydrochloride

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
360.37 g/molcalc.
Exact mass
360.1321 Dacalc.
LogP (octanol/water)
0.67calc.
Topological polar surface area
167.1 Ųcalc.
Hydrogen bond donors
6calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
7calc.
Heavy atoms
26calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (1 violation)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, c1ccc(-c2ccccc2)cc1

c1ccc(-c2ccccc2)cc1

2 rings, 12 atoms, the Biphenyl ring system.

32,228 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.

Dityrosine suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 5 suppliers
5 of 5 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

5 suppliers in 4 countries

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Dityrosine price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • biomarker
  • indicator

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 Dityrosine 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 Dityrosine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Dityrosine?

Dityrosine is a biphenyl compound comprising two tyrosine residues linked at carbon-3 of their benzene rings. It has a role as a biomarker. It is a member of biphenyls, a tyrosine derivative and a non-proteinogenic alpha-amino acid.

What is the CAS number of Dityrosine?

The CAS registry number of Dityrosine is 980-21-2. Other or deprecated CAS numbers: 221308-01-6.

What is the molecular formula and weight of Dityrosine?

The molecular formula of Dityrosine is C18H20N2O6 and its molar mass is 360.37 g/mol.

What is Dityrosine used for?

Known uses and roles of Dityrosine include biomarker and indicator.

Is Dityrosine hazardous?

No GHS hazard classification for Dityrosine 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 Dityrosine?

Dityrosine 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 Dityrosine?

CompoundList lists 5 suppliers of Dityrosine in China, Canada, Germany 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 Dityrosine?

Suppliers quote Dityrosine 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 Dityrosine

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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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