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Amines and amides

(±)-alpha-Methyldopamine

Also known as alpha-Methyldopamine, 3,4-Dihydroxyamphetamine, Catecholamphetamine

CAS 555-64-6Formula C9H13NO2Molar mass 167.21 g/mol
2 suppliers listed
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(±)-alpha-Methyldopamine chemical structure, C9H13NO2, CAS 555-64-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
555-64-6
Formula
C9H13NO2
Molar mass
167.21 g/mol
HS code
292229
Category
Amines and amides

What is (±)-alpha-Methyldopamine?

Plain description, key identifiers and synonyms

A-Methyldopamine is a member of amphetamines.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(2-aminopropyl)benzene-1,2-diol
CAS number
555-64-6 CAS number cross-checkedOther or deprecated CAS: 3583-05-9
Molecular formula
C9H13NO2
UNII
XQ9A7WCY2L
InChIKey
KSRGADMGIRTXAF-UHFFFAOYSA-N
InChI
InChI=1S/C9H13NO2/c1-6(10)4-7-2-3-8(11)9(12)5-7/h2-3,5-6,11-12H,4,10H2,1H3
SMILES (canonical and isomeric)
CC(CC1=CC(=C(C=C1)O)O)N

Synonyms

  • alpha-Methyldopamine
  • 3,4-Dihydroxyamphetamine
  • Catecholamphetamine
  • 4-(2-Aminopropyl)-1,2-benzenediol
  • 1,2-Benzenediol, 4-(2-aminopropyl)-
  • (+-)-alpha-Methyldopamine
  • 4-(2-aminopropyl)benzene-1,2-diol
  • a-Methyldopamine
  • dl-alpha-Methyldopamine
  • 1-13-00-00327 (Beilstein Handbook Reference)
  • (+-)-4-(2-Aminopropyl)-1,2-benzenediol
  • Pyrocatechol, 4-(2-aminopropyl)-, (+-)-
  • (+/-)-alpha-methyldopamine
  • 1,2-Benzenediol, 4-(2-aminopropyl)-, (+-)-
  • 4-(2-Aminopropyl)pyrocatechol
  • alpha-methyldopamine, (rs)-
  • alpha-methyldopamine, (+/-)-

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
167.21 g/molcalc.
Exact mass
167.0946 Dacalc.
LogP (octanol/water)
0.99calc.
Topological polar surface area
66.48 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
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.

(±)-alpha-Methyldopamine suppliers

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All 2 suppliers

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

2 suppliers in 1 country

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(±)-alpha-Methyldopamine 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

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 (±)-alpha-Methyldopamine is traded under.

HS 2922.29Indicative HS code

Amino-naphthols and other amino-phenols, other than those containing more than one kind…

World exports in 2024
$467M
−15.3% vs 2023, imports $454M
2019 to 2024
Top exporters
  1. China63.1%
  2. India * partner reported15.5%
  3. Japan4.0%
Top importers
  1. India * partner reported25.8%
  2. United States14.4%
  3. South Korea7.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about (±)-alpha-Methyldopamine, based on the data on this page

What is (±)-alpha-Methyldopamine?

A-Methyldopamine is a member of amphetamines.

What is the CAS number of (±)-alpha-Methyldopamine?

The CAS registry number of (±)-alpha-Methyldopamine is 555-64-6. Other or deprecated CAS numbers: 3583-05-9.

What is the molecular formula and weight of (±)-alpha-Methyldopamine?

The molecular formula of (±)-alpha-Methyldopamine is C9H13NO2 and its molar mass is 167.21 g/mol.

What is (±)-alpha-Methyldopamine used for?

Known uses and roles of (±)-alpha-Methyldopamine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is (±)-alpha-Methyldopamine hazardous?

No GHS hazard classification for (±)-alpha-Methyldopamine 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 (±)-alpha-Methyldopamine?

(±)-alpha-Methyldopamine is usually classified under HS code 292229 (Amino-naphthols and other amino-phenols, other than those containing more than one kind…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (±)-alpha-Methyldopamine?

CompoundList lists 2 suppliers of (±)-alpha-Methyldopamine in Germany. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of (±)-alpha-Methyldopamine?

Suppliers quote (±)-alpha-Methyldopamine 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 (±)-alpha-Methyldopamine

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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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