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Molindone

HCID 23897
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Basic information

CAS
7416-34-4
Standard SMILES
CCc1c(C)[nH]c2c1C(=O)C(CN1CCOCC1)CC2
InChIKey
KLPWJLBORRMFGK-UHFFFAOYSA-N
Molecular formula
C16H24N2O2
Average molar mass
276.37 g/mol
Monoisotopic mass
276.18377801

Overview

Molindone is a member of indoles.

Names & identifiers

Preferred name
Molindone
IUPAC
3-ethyl-2-methyl-5-(morpholin-4-ylmethyl)-1,5,6,7-tetrahydroindol-4-one
English name
3-Ethyl-2-methyl-5-(morpholin-4-ylmethyl)-1,5,6,7-tetrahydroindol-4-one
Molecular formula
C16H24N2O2
Molecular weight
276.37

Names & synonyms

MOLINDONE7416-34-4(+-)-MolindoneMolindona3-ethyl-2-methyl-5-(morpholin-4-ylmethyl)-1,5,6,7-tetrahydroindol-4-oneMolindonumRT3Y3QMF8N3-Ethyl-6,7-dihydro-2-methyl-5-(morpholinomethyl)indol-4(5H)-one3-ethyl-2-methyl-5-(morpholin-4-ylmethyl)-4,5,6,7-tetrahydro-1H-indol-4-oneIndol-4(5H)-one, 3-ethyl-6,7-dihydro-2-methyl-5-(morpholinomethyl)-3-Ethyl-1,5,6,7-tetrahydro-2-methyl-5-(4-morpholinylmethyl)-4H-indol-4-oneDTXSID9023332
Show more names
C07230EN-1733AEOS-60951Molintoneindol-4(5h)-oneMOLINDONE USP/EP/BP3-Ethyl-2-Methyl-5-(Morpholin-4-ylMethyl)-1,5,6,7-
4H-Indol-4-one, 3-ethyl-1,5,6,7-tetrahydro-2-methyl-5-(4-morpholinylmethyl)-RefChem:56582DTXCID603332N05AE02819-661-9Molindonum [INN-Latin]Molindona [INN-Spanish](+/-)-Molindone

Database identifiers

CAS
7416-34-4
PubChem CID
23897
DTXSID
DTXSID9023332
ChEMBL
CHEMBL460
ChEBI
CHEBI:6965
UNII
RT3Y3QMF8N
EC Number
819-661-9
Nikkaji
J8.932J

Properties

Computed structural properties

XLogP
1.7
Topological polar surface area
45.3 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
3
Rotatable bonds
3
Heavy atoms
20
Formal charge
0
Complexity
354

Experimental & physicochemical properties

LogP1.54
Color/FormCRYSTALS
Solubility · 2 items

WHITE CRYSTALLINE POWDER; FREELY SOL IN WATER & ALCOHOL /HYDROCHLORIDE/

4.74e-01 g/L

Human DrugsBreast Feeding; Lactation; Milk, Human; Antipsychotic Agents
Melting Point · 2 items

180-181 °C

180.5 °C

Physical DescriptionSolid

Physicochemical properties

Melting point
180 · 180-181°
Boiling point
462.9 · 462.9±45.0 °C(Predicted)
Density
1.14 · 1.140±0.06 g/cm3(Predicted)
solubility
2 O: · H2O: 19 mg/mL
form
solid
pka
6.9 · pKa 6.9(H2O,t =25,I=0.2) (Uncertain)

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)

The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

Hazard information

Special ReportsOwen RR Jr, Cole JO; J Clin Psychopharmacol 9 (4): 268-76 (1989). Molindone hydrochloride: A review of laboratory and clinical findings
Hazard Classes and CategoriesAcute Tox. 4 (100%)

Toxicology

Hepatotoxicity · 1 item

Liver test abnormalities have been reported to occur in a small proportion of patients on long term therapy with molindone, but elevations are uncommonly above 3 times the upper limit of normal. The aminotransferase abnormalities are usually mild, asymptomatic and transient, reversing even with continuation of medication. Instances of clinically apparent acute liver injury have been reported due to molindone, but are rare. The onset of injury is within 4 to 8 weeks, and the pattern of serum enzyme elevations is typically hepatocellular. Jaundice is uncommon and most cases are self-limited and mild. Immunoallergic features and autoantibody formation are not typical.

Human Toxicity Excerpts · 5 items

TRANSIENT DROWSINESS IS MOST FREQUENT ADVERSE REACTION; PARKINSONIAN REACTIONS, RESTLESSNESS, INSOMNIA, DEPRESSION, BLURRED VISION, DRY MOUTH, NAUSEA & TACHYCARDIA OCCUR LESS FREQUENTLY. /HYDROCHLORIDE/

/IN ADDN TO PARKINSONIAN SYNDROME/, ANOTHER EXTRAPYRAMIDAL EFFECT SEEN DURING ANTIPSYCHOTIC DRUG THERAPY IS AKATHISIA. ... /IT/ REFERS TO COMPELLING NEED OF PT TO BE IN CONSTANT MOVEMENT RATHER THAN TO ANY SPECIFIC MOVEMENT PATTERN. ... /PT/ MAY BE UNABLE TO ... CONTROL /THIS EFFECT/. /ANTIPSYCHOTIC DRUGS/

Chemistry & industry

Pharmacology

ATC Code · 2 items

N - Nervous system

QN - Nervous system

Pharmacodynamics · 1 item

Molindone is a dihydroindolone compound which is not structurally related to the phenothiazines, the butyrophenones, or the thioxanthenes. Molindone has a pharmacological profile in laboratory animals which predominantly resembles that of major tranquilizers causing reduction of spontaneous locomotion and aggressiveness, suppression of a conditioned response and antagonism of the bizarre stereotyped behavior and hyperactivity induced by amphetamines. In addition, molindone antagonizes the depression caused by the tranquilizing agent tetrabenazine.

Mechanism of Action · 3 items

The exact mechanism has not been established, however, based on electroencephalogram (EEG) studies, molindone is thought to act by occupying (antagonizing) dopamine (D2) receptor sites in the reticular limbic systems in the brain, thus decreasing dopamine activity. Decreased dopamine activity results in decreased physiological effects normally induced by excessive dopamine stimulation, such as those typically seen in manifestations of psychotic disorders.

INFORMATION IS INADEQUATE TO DETERMINE SPECIFIC ACTIONS OF MOLINDONE...

THIS ANTIPSYCHOTIC AGENT IS A DIHYDROINDOLONE DERIV. IT IS NOT CHEM RELATED TO PHENOTHIAZINES, BUTYROPHENONES OR THIOXANTHENES, BUT PHARMACOLOGIC ACTIONS ARE SIMILAR TO THOSE OF PIPERAZINE PHENOTHIAZINES.

Metabolism/MetabolitesMost likely hepatic. 36 metabolites have been recognized, some of which may be active.
FDA Pharmacological Classification · 4 items

RT3Y3QMF8N

MOLINDONE

Established Pharmacologic Class [EPC] - Typical Antipsychotic

Molindone is a Typical Antipsychotic.

MeSH Pharmacological Classification · 1 item

Agents that control agitated psychotic behavior, alleviate acute psychotic states, reduce psychotic symptoms, and exert a quieting effect. They are used in SCHIZOPHRENIA; senile dementia; transient psychosis following surgery; or MYOCARDIAL INFARCTION; etc. These drugs are often referred to as neuroleptics alluding to the tendency to produce neurological side effects, but not all antipsychotics are likely to produce such effects. Many of these drugs may also be effective against nausea, emesis, and pruritus.

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Related reactions

4 records
New reaction record
HRID 674873 reaction equation
HRID 674873As productTraining data from https://doi.org/10.1039/C8SC04228D (3/10)
HRID 1851642 reaction equation
HRID 1851642As productuspto-grants-2015_02
HRID 1851644 reaction equation
HRID 1851644As productuspto-grants-2015_02
HRID 1851646 reaction equation
HRID 1851646As productuspto-grants-2015_02

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
color
off-white
CAS DataBase Reference
7416 · 7416-34-4(CAS DataBase Reference)
FDA UNII
3 Y3QMF8N · RT3Y3QMF8N
NIST Chemistry Reference
-4 · Indol-4(5h)-one, 3-ethyl-6,7-dihydro-2-methyl-5-(morpholinomethyl)-(7416-34-4)
ATC code
5 AE02 · N05AE02
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
302 · H302
Precautionary statements
264 · P264-P270-P301+P312-P330-P501
Hazard Codes
Xn
Risk Statements
22 · 22
RIDADR
2811 · UN 2811 6.1/PG 3
WGK Germany
3 · 3
RTECS
3325000 · NM3325000
Hazardous Substances Data
7416 · 7416-34-4(Hazardous Substances Data)

ACUTE DYSTONIC REACTIONS ARE OCCASIONALLY SEEN WITH INITIATION OF ANTIPSYCHOTIC DRUG THERAPY. FACIAL GRIMACING & TORTICOLLIS CAN OCCUR & MAY BE ASSOCIATED WITH OCULOGYRIC CRISIS. /ANTIPSYCHOTIC DRUGS/

TARDIVE DYSKINESIA IS LATE-APPEARING NEUROLOGICAL SYNDROME ASSOCIATED WITH ANTIPSYCHOTIC DRUG USE. IT OCCURS MORE FREQUENTLY IN OLDER PT, & AN INCIDENCE AS HIGH AS 20% HAS BEEN REPORTED IN CHRONICALLY INSTITUTIONALIZED PT. IT MAY BE MORE COMMON IN FEMALES & THOSE WITH HISTORY OF PRIOR BRAIN DAMAGE. /ANTIPSYCHOTIC DRUGS/

For more Human Toxicity Excerpts (Complete) data for MOLINDONE (7 total), please visit the HSDB record page.

Drug Induced Liver Injury · 5 items

Drug-Induced Liver Injury Severity and Toxicity (DILIst)

Molindone

DILI Positive

Oral

DOI:10.1016/j.drudis.2019.09.022

Effects During Pregnancy and Lactation◉ Summary of Use during Lactation

Safety data

wgk
3
rtecs
NM3325000
ridadr
UN 2811 6.1/PG 3
risk_code
22
Signal word
Warning
Symbol(GHS)
GHS07
hazard_code
Xn
Hazard statements
H302
Precautionary statements
P264-P270-P301+P312-P330-P501
Hazardous Substances Data
7416-34-4(Hazardous Substances Data)
Absorption, Distribution and Excretion · 3 items

Rapidly absorbed from the gastrointestinal tract following oral administration.

Human metabolic studies show molindone to be rapidly absorbed and metabolized when given orally. There are 36 recognized metabolites with less than 2-3% unmetabolized molindone being excreted in urine and feces.

REACHES PEAK BLOOD LEVELS WITHIN 1 HR AFTER ORAL ADMIN.

Cellular LocationsMembrane

Uses & manufacturing

UsesMEDICATION
Methods of ManufacturingBELG PATENT 670,798 (1966 TO ENDO), CHEM ABSTRACT 65, 7148F (1966). PHARMACOLOGY: SUGERMAN, HERRMANN, CLIN PHARMACOL THER 8, 261 (1967); CLAGHORN, CURR THER RES 11, 524 (1969): GUERRERO-FIGUEROA ET AL, IBID 15, 508 (1973).
Formulations/PreparationsHYDROCHLORIDE ... /AS/ MOBAN (ENDO).
Applications · 2 items

UsesMolindone is a more active antipsychotic than chloropromzine. Its sedative effect is less expressed. Side effects are also expressed less than with powerful neuroleptics. It facilitates the reduction of spontaneous movements and aggressiveness, and is used for treatment of psychotic disturbances, particularly in cases of chronic and severe schizophrenia.

UsesAntipsychotic.

Upstream & downstream products

Upstream raw materials

3-PentanoneParaformaldehydeNitrous acid methyl esterBis(4-hydroxyphenyl) SulfoneMORPHOLINIUM CHLORIDE

Additional notes

DefinitionChEBI: Molindone is a member of indoles.