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Impurities and reference standards

Methyldopa, D-

Also known as (2R)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid, (+)-alpha-Methyldopa, D-alpha-Methyl DOPA

CAS 2799-15-7Formula C10H13NO4Molar mass 211.22 g/mol
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Methyldopa, D- chemical structure, C10H13NO4, CAS 2799-15-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2799-15-7
Formula
C10H13NO4
Molar mass
211.22 g/mol
HS code
292250
Category
Impurities and reference standards

What is Methyldopa, D-?

Plain description, key identifiers and synonyms

Methyldopa, D- is a chemical substance with the molecular formula C10H13NO4 and a molar mass of 211.22 g/mol. Its CAS registry number is 2799-15-7. The IUPAC name is (2R)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid
CAS number
2799-15-7
Molecular formula
C10H13NO4
UNII
8K91SZC8W9
MDL number
MFCD09952375
InChIKey
CJCSPKMFHVPWAR-SNVBAGLBSA-N
InChI
InChI=1S/C10H13NO4/c1-10(11,9(14)15)5-6-2-3-7(12)8(13)4-6/h2-4,12-13H,5,11H2,1H3,(H,14,15)/t10-/m1/s1
Canonical SMILES
CC(N)(Cc1ccc(O)c(O)c1)C(=O)O
Isomeric SMILES
C[C@@](CC1=CC(=C(C=C1)O)O)(C(=O)O)N

Synonyms

  • (2R)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid
  • (+)-alpha-Methyldopa
  • D-alpha-Methyl DOPA
  • D-Methyldopa
  • (R)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid
  • Methyldopa EP Impurity D
  • (2R)-2-amino-3-(3,4-dihydroxyphenyl)-2-methyl-propanoic acid
  • D-a-Methyl DOPA
  • D-alpha-Methyldopa
  • D-(3,4-Dihydroxyphenyl)-2-methylalanine
  • Methyldopa anhydrous, d-
  • D-Tyrosine, 3-hydroxy-a-methyl-
  • Methyldopa impurity d
  • D-Tyrosine, 3-hydroxy-alpha-methyl-
  • Alanine, 3-(3,4-dihydroxyphenyl)-2-methyl-, D-
  • d-alpha-methyl-3-(3,4-dihydroxyphenyl)alanine
  • (2R)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoicacid

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
211.22 g/molcalc.
Exact mass
211.0845 Dacalc.
LogP (octanol/water)
0.44calc.
Topological polar surface area
103.8 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
3calc.
Heavy atoms
15calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.3calc.
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

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.

Methyldopa, D- suppliers

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Methyldopa, D- price

Indicative price range per kg from live supplier offers

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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

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

Frequently asked questions

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

What is Methyldopa, D-?

Methyldopa, D- is a chemical substance with the molecular formula C10H13NO4 and a molar mass of 211.22 g/mol. Its CAS registry number is 2799-15-7. The IUPAC name is (2R)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid.

What is the CAS number of Methyldopa, D-?

The CAS registry number of Methyldopa, D- is 2799-15-7.

What is the molecular formula and weight of Methyldopa, D-?

The molecular formula of Methyldopa, D- is C10H13NO4 and its molar mass is 211.22 g/mol.

Is Methyldopa, D- hazardous?

No GHS hazard classification for Methyldopa, D- 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 Methyldopa, D-?

Methyldopa, D- 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 Methyldopa, D-?

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

What is the price of Methyldopa, D-?

Suppliers quote Methyldopa, D- 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 Methyldopa, D-

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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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