Bemegride

Modify Date: 2025-08-21 17:27:43

Bemegride structure	Common Name	Bemegride
	CAS Number	64-65-3	Molecular Weight	155.194
	Density	1.0±0.1 g/cm3	Boiling Point	282.0±9.0 °C at 760 mmHg
	Molecular Formula	C₈H₁₃NO₂	Melting Point	126-127 °C(lit.)
	MSDS	N/A	Flash Point	125.8±18.9 °C

Use of Bemegride

Bemegride is a central nervous system stimulant and antidote for barbiturate poisoning.target: GABAA receptor Bemegride has an antagonistic action on the GABAA receptor, suppressing both GABA- and pentobarbitone-evoked whole-cell currents to similar extents. [1] Long-term oral administration to the rat of barbitone, alone or together with the analeptics bemegride or pentylenetetrazol, show that the intensity of the withdrawal syndrome generally parallels the degree of associated CNS depression. [2]

Name	4-ethyl-4-methylpiperidine-2,6-dione
Synonym	More Synonyms

Description	Bemegride is a central nervous system stimulant and antidote for barbiturate poisoning.target: GABAA receptor Bemegride has an antagonistic action on the GABAA receptor, suppressing both GABA- and pentobarbitone-evoked whole-cell currents to similar extents. [1] Long-term oral administration to the rat of barbitone, alone or together with the analeptics bemegride or pentylenetetrazol, show that the intensity of the withdrawal syndrome generally parallels the degree of associated CNS depression. [2]
Related Catalog	Signaling Pathways >> Membrane Transporter/Ion Channel >> GABA Receptor Signaling Pathways >> Neuronal Signaling >> GABA Receptor Research Areas >> Neurological Disease
References	[1]. Mistry DK, et al. Actions of steroids and bemegride on the GABAA receptor of mouse spinal neurones in culture.Exp Physiol, 1990, 75(2),199-209. [2]. Arblaster CI, et al. Studies on the development of physical dependence on barbitone in the rat and rat atrium. Farmaco Sci. 1986 Jan, 41(1), 3-22.

Description

Related Catalog

Signaling Pathways >> Membrane Transporter/Ion Channel >> GABA Receptor

Signaling Pathways >> Neuronal Signaling >> GABA Receptor

Research Areas >> Neurological Disease

References

[1]. Mistry DK, et al. Actions of steroids and bemegride on the GABAA receptor of mouse spinal neurones in culture.Exp Physiol, 1990, 75(2),199-209.

[2]. Arblaster CI, et al. Studies on the development of physical dependence on barbitone in the rat and rat atrium. Farmaco Sci. 1986 Jan, 41(1), 3-22.

Density	1.0±0.1 g/cm3
Boiling Point	282.0±9.0 °C at 760 mmHg
Melting Point	126-127 °C(lit.)
Molecular Formula	C₈H₁₃NO₂
Molecular Weight	155.194
Flash Point	125.8±18.9 °C
Exact Mass	155.094635
PSA	46.17000
LogP	1.52
Appearance of Characters	powder \| white
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.449
InChIKey	ORRZGUBHBVWWOP-UHFFFAOYSA-N
SMILES	CCC1(C)CC(=O)NC(=O)C1
Storage condition	−20°C

Bemegride MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MA4550000

CHEMICAL NAME :: Glutarimide, 3-ethyl-3-methyl-

CAS REGISTRY NUMBER :: 64-65-3

BEILSTEIN REFERENCE NO. :: 0116672

LAST UPDATED :: 199701

DATA ITEMS CITED :: 16

MOLECULAR FORMULA :: C8-H13-N-O2

MOLECULAR WEIGHT :: 155.22

WISWESSER LINE NOTATION :: T6VMVTJ E2 E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - woman

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Behavioral - wakefulness Behavioral - hallucinations, distorted perceptions Behavioral - toxic psychosis

REFERENCE :: LANCAO Lancet. (7 Adam St., London WC2N 6AD, UK) V.1- 1823- Volume(issue)/page/year: 2,967,1956

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - man

DOSE/DURATION :: 20 mg/kg

TOXIC EFFECTS :: Behavioral - wakefulness Behavioral - hallucinations, distorted perceptions Behavioral - toxic psychosis

REFERENCE :: LANCAO Lancet. (7 Adam St., London WC2N 6AD, UK) V.1- 1823- Volume(issue)/page/year: 2,967,1956

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 24 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 135,9,1962

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 31 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949- Volume(issue)/page/year: 13,244,1961

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 16 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 135,9,1962

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 41 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Behavioral - excitement

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 128,176,1960

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 25 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Behavioral - excitement

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 128,176,1960

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 27 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Behavioral - excitement

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 128,176,1960

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 16 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Behavioral - muscle contraction or spasticity

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 110,29,1957

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 33 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,763,1982

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Parenteral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 32 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 6,583,1956

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 23 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 135,9,1962

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 1080 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 110,465,1957

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - gerbil

DOSE/DURATION :: 22 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 225,88,1977

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - gerbil

DOSE/DURATION :: 22500 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 227,106,1977

Hazard Codes	T
Risk Phrases	R23/24/25
Safety Phrases	S22-S36/37/39-S45
RIDADR	UN 2811 6.1/PG 2
WGK Germany	3
RTECS	MA4550000
Packaging Group	II
Hazard Class	6.1(a)
HS Code	2925190090

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HS Code	2925190090
Summary	2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Name: qHTS assay to identify small molecule antagonists of the androgen receptor (AR) signa...
Source: 824
Target: AR protein [Homo sapiens]
External Id: MDAN535

Name: qHTS for Inhibitors of human tyrosyl-DNA phosphodiesterase 1 (TDP1): qHTS in cells in...
Source: NCGC
Target: TDP1 protein [Homo sapiens]
External Id: TDP1100

Name: qHTS for Inhibitors of human tyrosyl-DNA phosphodiesterase 1 (TDP1): qHTS in cells in...
Source: NCGC
Target: TDP1 protein [Homo sapiens]
External Id: TDP1101

Name: qHTS assay to identify small molecule antagonists of the androgen receptor (AR) sign...
Source: 824
Target: N/A
External Id: MDAV150

Name: Vibrio cholerae assay for pro-quorum sensing small molecules
Source: Southern Research Specialized Biocontainment Screening Center
Target: cyclic AMP receptor protein [Vibrio cholerae O1 biovar El Tor str. N16961]
External Id: Vcholera_QS_Pilot

Name: Cytotoxicity counterscreen for inhibitors of SARS-CoV-2 cell entry
Source: NCGC
Target: N/A
External Id: TRND-SARS-CoV-2-cytotox-48hr

Name: qHTS assay for small molecules that induce genotoxicity in human embryonic kidney cel...
Source: 824
Target: RecName: Full=ATPase family AAA domain-containing protein 5; AltName: Full=Chromosome fragility-associated gene 1 protein
External Id: ELG271

Name: Primary qHTS to identify inhibitors of SARS-CoV-2 cell entry
Source: NCGC
External Id: TRND-SARS-CoV-2-PP

Name: qHTS assay to identify small molecule antagonists of the thyroid receptor (TR) signal...
Source: 824
Target: thyroid hormone receptor beta isoform 2 [Rattus norvegicus]
External Id: TRN186

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External Id: TRV455

Total 91, Current Page 1 of 10

3-ethyl-3-methylglutarimide

EINECS 200-588-0

4-Ethyl-4-methyl-2,6-piperidinedione

Bemegrid

Ahypnon

4-ethyl-4-methylglutarimide

4-Ethyl-4-methylpiperidine-2,6-dione

Antibarbi

3-ethyl-3-methylgluarimide

Methetharimide

bemegride

4-ethyl-4-methyl-piperidine-2,6-dione

MFCD00006673

Zentraleptin

Agipnon

b,b-Methylethylglutarimide

Megimide

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Bemegride

Use of Bemegride

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Bemegride Biological Activity

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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Synthetic Route

Customs

BemegrideBioassay

Synonyms

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