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Central nervous system drugs

Isocarboxazid

Also known as Isocarboxazide, Enerzer, Marplan

CAS 59-63-2Formula C12H13N3O2Molar mass 231.26 g/molEC 200-438-4
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 56 suppliers listed Drug substance
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Isocarboxazid chemical structure, C12H13N3O2, CAS 59-63-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
59-63-2
Formula
C12H13N3O2
Molar mass
231.26 g/mol
EC number
200-438-4
HS code
293499
Category
Central nervous system drugs

What is Isocarboxazid?

Plain description, key identifiers and synonyms

5-methyl-N'-(phenylmethyl)-3-isoxazolecarbohydrazide is a member of benzenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N'-benzyl-5-methyl-1,2-oxazole-3-carbohydrazide
CAS number
59-63-2 CAS number cross-checked
EC number
200-438-4
Molecular formula
C12H13N3O2
UNII
34237V843T
MDL number
MFCD00865409
InChIKey
XKFPYPQQHFEXRZ-UHFFFAOYSA-N
InChI
InChI=1S/C12H13N3O2/c1-9-7-11(15-17-9)12(16)14-13-8-10-5-3-2-4-6-10/h2-7,13H,8H2,1H3,(H,14,16)
SMILES (canonical and isomeric)
CC1=CC(=NO1)C(=O)NNCC2=CC=CC=C2

Synonyms

  • Isocarboxazide
  • Enerzer
  • Marplan
  • Isocarbonazid
  • Isocarbossazide
  • N'-benzyl-5-methyl-1,2-oxazole-3-carbohydrazide
  • Isocarboxazida
  • Ro 5-0831
  • Isocarboxazidum
  • 5-Methyl-3-isoxazolecarboxylic acid 2-benzylhydrazide
  • 3-Isoxazolecarboxylic acid, 5-methyl-, 2-(phenylmethyl)hydrazide
  • 4-27-00-03999 (Beilstein Handbook Reference)
  • Isocarboxacid
  • Benazide
  • N'-Benzyl-5-methylisoxazole-3-carbohydrazide
  • Isocarboxyzid
  • Marplon
  • Maraplan
  • BMIH
  • Ro 5-0831/1
  • N'-Benzyl N-methyl-5-isoxazolecarboxylhydrazide-3
  • Isocarboxazid (INN)
  • 1-Benzyl-2-(5-methyl-3-isoxazolylcarbonyl)hydrazine
  • 1-Benzyl-2-(5-methyl-3-isoxazolyl-carbonyl)hydrazine
  • 3-Isoxazolecarboxylic acid, 5-methyl-, 2-benzylhydrazide
Show all 31 synonyms
  • N'-benzyl-5-methyl-isoxazole-3-carbohydrazide
  • Marplan (TN)
  • Isocarboxazid (1.0 mg/mL in Acetonitrile)
  • 59-63-2 (free base)
  • Isocarboxazid (ICD)
  • Isocarboxazid (Standard)

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
231.26 g/molcalc.
Exact mass
231.1008 Dacalc.
LogP (octanol/water)
1.42calc.
Topological polar surface area
67.16 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.17calc.
Formal charge
0calc.
Stereocentres
0calc.
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, O=C(NNCc1ccccc1)c1ccon1

O=C(NNCc1ccccc1)c1ccon1

2 rings, 16 atoms.

7 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H301Toxic if swallowed.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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

Isocarboxazid suppliers

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

All 56 suppliers
30 of 30 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

56 suppliers in 13 countries

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Isocarboxazid 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

Use classes: Pharmaceuticals.

Industries and functions

Pharmacological actions

  • Antidepressive Agents
  • Monoamine Oxidase Inhibitors

Roles

  • antidepressant
  • central nervous system drug
  • pharmaceutical
  • psychotropic drug

Pharmacology

Isocarboxazid is a Monoamine Oxidase Inhibitor. The mechanism of action of isocarboxazid is as a Monoamine Oxidase Inhibitor.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Isocarboxazid (INN), Ref no: 52, Annex ref: II/52
  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Isocarboxazid is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Isocarboxazid?

5-methyl-N'-(phenylmethyl)-3-isoxazolecarbohydrazide is a member of benzenes.

What is the CAS number of Isocarboxazid?

The CAS registry number of Isocarboxazid is 59-63-2.

What is the molecular formula and weight of Isocarboxazid?

The molecular formula of Isocarboxazid is C12H13N3O2 and its molar mass is 231.26 g/mol.

What is Isocarboxazid used for?

Use classes: Pharmaceuticals.

Is Isocarboxazid hazardous?

Isocarboxazid carries the GHS signal word "Danger". Main hazards: toxic if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Isocarboxazid?

Isocarboxazid is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Isocarboxazid?

CompoundList lists 56 suppliers of Isocarboxazid in China, United States, United Kingdom, Canada and 9 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Isocarboxazid in India?

1 supplier in India list Isocarboxazid on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Isocarboxazid?

Suppliers quote Isocarboxazid 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 Isocarboxazid

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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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