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Amines and amides

Bemegride

Also known as 3-Ethyl-3-methylglutarimide, 4-ethyl-4-methylpiperidine-2,6-dione, Methetharimide

CAS 64-65-3Formula C8H13NO2Molar mass 155.20 g/molEC 200-588-0
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 26 suppliers listed
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Bemegride chemical structure, C8H13NO2, CAS 64-65-3
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Crystals
Melting point
126.1 to 127.2
Solubility
Less than 1 mg/mL at 68 °F
HS code
292519
Category
Amines and amides
UN number
UN 2811
Illustrative photo, drums, an IBC tote and sacks in a chemical warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Bemegride?

Plain description, key identifiers and synonyms

4-ethyl-4-methylpiperidine-2,6-dione is a member of piperidones.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-ethyl-4-methylpiperidine-2,6-dione
CAS number
64-65-3 CAS number cross-checked
EC number
200-588-0
Molecular formula
C8H13NO2
UNII
57DQA39DO2
MDL number
MFCD00006673
InChIKey
ORRZGUBHBVWWOP-UHFFFAOYSA-N
InChI
InChI=1S/C8H13NO2/c1-3-8(2)4-6(10)9-7(11)5-8/h3-5H2,1-2H3,(H,9,10,11)
SMILES (canonical and isomeric)
CCC1(CC(=O)NC(=O)C1)C

Synonyms

  • 3-Ethyl-3-methylglutarimide
  • 4-ethyl-4-methylpiperidine-2,6-dione
  • Methetharimide
  • Megibal
  • Megimide
  • Mikedimide
  • Eukraton
  • Zentraleptin
  • Bemegrid
  • Ahypnon
  • Malysol
  • Megimid
  • Antibarbi
  • Agipnon
  • Bemegrida
  • 3-Methyl-3-ethylglutarimide
  • Bemegridum
  • beta-Ethyl-beta-methylglutarimide
  • 4-Ethyl-4-methyl-2,6-piperidinedione
  • 2,6-Dioxo-4-methyl-4-ethylpiperidine
  • Glutarimide, 3-ethyl-3-methyl-
  • beta-Methyl-beta-ethylglutarimide
  • Ethylmethylglutarimide
  • 2,6-Piperidinedione, 4-ethyl-4-methyl-
  • 4-Ethyl-4-methyl-2,6-dioxopiperidine
Show all 33 synonyms
  • Bemigride
  • Benegrid
  • 4-Methyl-4-ethyl-2,6-dioxopiperidine
  • NP 13
  • 3-Ethyl-3-methylglutarimide, Bemegrid
  • 4-ethyl-4-methyl-piperidine-2,6-dione
  • 3,3-Methylethylilotarimide
  • Megibal (TN)

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

Physical form
Crystalsexp.
Melting point
126.1 to 127.2exp.
Solubility
Less than 1 mg/mL at 68 °Fexp.

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
155.20 g/molcalc.
Exact mass
155.0946 Dacalc.
LogP (octanol/water)
0.84calc.
Topological polar surface area
46.17 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.75calc.
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=C1CCCC(=O)N1

O=C1CCCC(=O)N1

1 ring, 8 atoms, the Glutarimide ring system.

247 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

  • H300Fatal if swallowed.
  • H311Toxic in contact with skin.
  • H331Toxic if inhaled.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all 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.
UN number
UN 2811

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

Bemegride suppliers

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

All 26 suppliers
26 of 26 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

26 suppliers in 7 countries

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Bemegride 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

Pharmacological actions

  • Central Nervous System Stimulants
  • Convulsants
  • Respiratory System Agents

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Bemegride (INN) and its salts, Ref no: 183, Annex ref: II/183

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2925.19Indicative HS code

Imides and their derivatives, salts thereof, other

World exports in 2024
$295M
+11.7% vs 2023, imports $348M
2019 to 2024
Top exporters
  1. China29.7%
  2. Japan22.7%
  3. United Kingdom10.0%
Top importers
  1. United States12.7%
  2. Brazil12.6%
  3. China10.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Bemegride?

4-ethyl-4-methylpiperidine-2,6-dione is a member of piperidones.

What is the CAS number of Bemegride?

The CAS registry number of Bemegride is 64-65-3.

What is the molecular formula and weight of Bemegride?

The molecular formula of Bemegride is C8H13NO2 and its molar mass is 155.20 g/mol.

What is Bemegride used for?

Known uses and roles of Bemegride include building blocks in research and laboratory, screening compounds in research and laboratory, central nervous system stimulants, convulsants and respiratory system agents.

Is Bemegride hazardous?

Bemegride carries the GHS signal word "Danger". Main hazards: fatal if swallowed, toxic in contact with skin, toxic if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Bemegride?

Bemegride is usually classified under HS code 292519 (Imides and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bemegride?

CompoundList lists 26 suppliers of Bemegride in China, United States, Germany, France 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 Bemegride?

Suppliers quote Bemegride 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 Bemegride

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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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