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Impurities and reference standards

Dopa D-form

Also known as D-Dopa, 3-Hydroxy-D-tyrosine, 3,4-Dihydroxy-D-phenylalanine

CAS 5796-17-8Formula C9H11NO4Molar mass 197.19 g/molEC 227-343-0
GHS signal word: Warning. Pictograms: Harmful or irritant 24 suppliers listed
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Dopa D-form chemical structure, C9H11NO4, CAS 5796-17-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5796-17-8
Formula
C9H11NO4
Molar mass
197.19 g/mol
EC number
227-343-0
HS code
292250
Category
Impurities and reference standards

What is Dopa D-form?

Plain description, key identifiers and synonyms

D-dopa is the D-enantiomer of dopa. It is a dopa and a D-tyrosine derivative. It is an enantiomer of a L-dopa. It is a tautomer of a D-dopa zwitterion.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid
CAS number
5796-17-8 CAS number cross-checked
EC number
227-343-0
Molecular formula
C9H11NO4
UNII
8T862R29FY
MDL number
MFCD00063061
InChIKey
WTDRDQBEARUVNC-ZCFIWIBFSA-N
InChI
InChI=1S/C9H11NO4/c10-6(9(13)14)3-5-1-2-7(11)8(12)4-5/h1-2,4,6,11-12H,3,10H2,(H,13,14)/t6-/m1/s1
Canonical SMILES
NC(Cc1ccc(O)c(O)c1)C(=O)O
Isomeric SMILES
C1=CC(=C(C=C1C[C@H](C(=O)O)N)O)O

Synonyms

  • D-Dopa
  • 3-Hydroxy-D-tyrosine
  • 3,4-Dihydroxy-D-phenylalanine
  • (2R)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid
  • D-3,4-Dihydroxyphenylalanine
  • D-3-(3,4-Dihydroxyphenyl)alanine
  • (+)-3-(3,4-Dihydroxyphenyl)alanine
  • (+)-3,4-Dihydroxyphenylalanine
  • Dopa, D-
  • Alanine, 3-(3,4-dihydroxyphenyl)-, D-
  • D-B-3,4-Dihydroxyphenylalanine
  • Levodopa impurity d
  • Levodopa impurity d (ep impurity)
  • (2R)-2-azaniumyl-3-(3,4-dihydroxyphenyl)propanoate
  • Alanine, 3-(3,4-dihydroxyphenyl)-, D-(8CI)
  • (2R)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid, D-dopa
  • (R)-2-Amino-3-(3,4-dihydroxyphenyl)propanoic acid
  • 3- hydroxy D- Tyrosine
  • D-Tyrosine, 3-hydroxy-
  • Levodopa EP Impurity D
  • Levodopa EP Impurity D, D-Dopa
  • (2R)-2-ammonio-3-(3,4-dihydroxyphenyl)propanoate
  • US11021454, Compound D-dopa
  • Alanine, 3- (3,4-dihydroxyphenyl)-, D-
  • 3,4-Dihydroxy-D-phenylalanine, powder, >=95%

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
197.19 g/molcalc.
Exact mass
197.0688 Dacalc.
LogP (octanol/water)
0.05calc.
Topological polar surface area
103.8 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
3calc.
Heavy atoms
14calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
1calc.
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

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Dopa D-form suppliers

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

All 24 suppliers
24 of 24 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

24 suppliers in 7 countries

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Dopa D-form 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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

Frequently asked questions

Quick answers about Dopa D-form, based on the data on this page

What is Dopa D-form?

D-dopa is the D-enantiomer of dopa. It is a dopa and a D-tyrosine derivative. It is an enantiomer of a L-dopa. It is a tautomer of a D-dopa zwitterion.

What is the CAS number of Dopa D-form?

The CAS registry number of Dopa D-form is 5796-17-8.

What is the molecular formula and weight of Dopa D-form?

The molecular formula of Dopa D-form is C9H11NO4 and its molar mass is 197.19 g/mol.

Is Dopa D-form hazardous?

Dopa D-form carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Dopa D-form?

Dopa D-form 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 Dopa D-form?

CompoundList lists 24 suppliers of Dopa D-form in China, United States, Czech Republic, Germany and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Dopa D-form?

Suppliers quote Dopa D-form 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 Dopa D-form

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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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