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Heterocyclic building blocks

(+)-Methylenedioxymethamphetamine

Also known as (2S)-1-(1,3-benzodioxol-5-yl)-N-methylpropan-2-amine, (+)-3,4-methylenedioxymethamphetamine, (S)-MDMA

CAS 66142-89-0Formula C11H15NO2Molar mass 193.25 g/mol
Prohibited, not for trade
Why it is not for trade
(+)-Methylenedioxymethamphetamine chemical structure, C11H15NO2, CAS 66142-89-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
66142-89-0
Formula
C11H15NO2
Molar mass
193.25 g/mol
HS code
293299
Category
Heterocyclic building blocks

What is (+)-Methylenedioxymethamphetamine?

Plain description, key identifiers and synonyms

(+)-Methylenedioxymethamphetamine is a right-handed enantiomer of MDMA.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-1-(1,3-benzodioxol-5-yl)-N-methylpropan-2-amine
CAS number
66142-89-0
Molecular formula
C11H15NO2
UNII
9B6GK297FN
InChIKey
SHXWCVYOXRDMCX-QMMMGPOBSA-N
InChI
InChI=1S/C11H15NO2/c1-8(12-2)5-9-3-4-10-11(6-9)14-7-13-10/h3-4,6,8,12H,5,7H2,1-2H3/t8-/m0/s1
Canonical SMILES
CNC(C)Cc1ccc2c(c1)OCO2
Isomeric SMILES
C[C@@H](CC1=CC2=C(C=C1)OCO2)NC

Synonyms

  • (2S)-1-(1,3-benzodioxol-5-yl)-N-methylpropan-2-amine
  • (+)-3,4-methylenedioxymethamphetamine
  • (S)-MDMA
  • (S)-(+)-3,4-MDMA (hydrochloride)
  • S-(+)-MDMA
  • Ecstasy, (S)-
  • Midomafetamine, (S)-
  • Mandy, (S)-
  • Molly, (S)-
  • Mdma, (S)-
  • MDMA, R(-)
  • 1,3-Benzodioxole-5-ethanamine, N,alpha-dimethyl-, (alphaS)-
  • PDSP1_001409
  • PDSP2_001393
  • 3,4-Methylenedioxymethamphetamine, (S)-
  • 3,4 methylenedioxy-n-methylamphetamine, MDMA, Ecstasy
  • (alphaS)-N,alpha-Dimethyl-1,3-benzodioxole-5-ethanamine
  • 1,3-Benzodioxole-5-ethanamine, N,alpha-dimethyl-, (S)-
  • (2S)-1-(2H-1,3-Benzodioxol-5-yl)-N-methylpropan-2-amine

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
193.25 g/molcalc.
Exact mass
193.1103 Dacalc.
LogP (octanol/water)
1.57calc.
Topological polar surface area
30.49 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
14calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.46calc.
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, c1ccc2c(c1)OCO2

c1ccc2c(c1)OCO2

2 rings, 9 atoms, the 1,3-Benzodioxole ring system.

4,560 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.

(+)-Methylenedioxymethamphetamine suppliers

Trading restrictions apply to this substance

Psychotropic substance

(+)-Methylenedioxymethamphetamine is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

Listing and enquiries are not allowed for this substance.

Reference: UN Convention on Psychotropic Substances 1971 Schedule I

Our policy on controlled substances

(+)-Methylenedioxymethamphetamine price

Indicative price range per kg from live supplier offers

Prices are not shown for prohibited substances.

Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

Psychotropic substance

(+)-Methylenedioxymethamphetamine is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

Listing and enquiries are not allowed for this substance.

Reference: UN Convention on Psychotropic Substances 1971 Schedule I

Our policy on controlled substances

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code (+)-Methylenedioxymethamphetamine is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about (+)-Methylenedioxymethamphetamine, based on the data on this page

What is (+)-Methylenedioxymethamphetamine?

(+)-Methylenedioxymethamphetamine is a right-handed enantiomer of MDMA.

What is the CAS number of (+)-Methylenedioxymethamphetamine?

The CAS registry number of (+)-Methylenedioxymethamphetamine is 66142-89-0.

What is the molecular formula and weight of (+)-Methylenedioxymethamphetamine?

The molecular formula of (+)-Methylenedioxymethamphetamine is C11H15NO2 and its molar mass is 193.25 g/mol.

What is (+)-Methylenedioxymethamphetamine used for?

Known uses and roles of (+)-Methylenedioxymethamphetamine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is (+)-Methylenedioxymethamphetamine hazardous?

No GHS hazard classification for (+)-Methylenedioxymethamphetamine 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 (+)-Methylenedioxymethamphetamine?

(+)-Methylenedioxymethamphetamine is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Can I buy (+)-Methylenedioxymethamphetamine on CompoundList?

No. (+)-Methylenedioxymethamphetamine is on our prohibited list, so listings, quotes and messages for it are disabled. This page is kept for information only.

Guides for buyers

Practical guides that help when you source, ship or handle (+)-Methylenedioxymethamphetamine

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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