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Details

Stereochemistry RACEMIC
Molecular Formula C17H23NO.ClH
Molecular Weight 293.832
Optical Activity ( + / - )
Defined Stereocenters 3 / 3
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of RACEMORPHAN HYDROCHLORIDE

SMILES

Cl.[H][C@@]12CC3=C(C=C(O)C=C3)[C@]4(CCCC[C@@]14[H])CCN2C

InChI

InChIKey=MKMAMQPDRUXVSS-DYWKTHLTSA-N
InChI=1S/C17H23NO.ClH/c1-18-9-8-17-7-3-2-4-14(17)16(18)10-12-5-6-13(19)11-15(12)17;/h5-6,11,14,16,19H,2-4,7-10H2,1H3;1H/t14-,16+,17+;/m0./s1

HIDE SMILES / InChI

Molecular Formula ClH
Molecular Weight 36.461
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Molecular Formula C17H23NO
Molecular Weight 257.3706
Charge 0
Count
Stereochemistry RACEMIC
Additional Stereochemistry No
Defined Stereocenters 3 / 3
E/Z Centers 0
Optical Activity UNSPECIFIED

Racemorphan is racemic mixture of an antitussive and dissociative hallucinogen Dextrorphan and an opioid analgesic Levorphanol. Racemorphan itself is under international control per the Single Convention on Narcotic Drugs 1961 and is therefore listed as a Schedule II Narcotic controlled substance.

CNS Activity

Curator's Comment: http://dx.doi.org/10.3109/10717549309022764

Approval Year

Targets

Targets

Primary TargetPharmacologyConditionPotency
2.3 nM [Ki]
0.13 nM [Ki]
4.2 nM [Ki]
Conditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Cmax

Cmax

ValueDoseCo-administeredAnalytePopulation
236 ng/mL
50 mg/kg single, oral
dose: 50 mg/kg
route of administration: Oral
experiment type: SINGLE
co-administered:
PROFENAMINE plasma
Rattus norvegicus
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
AUC

AUC

ValueDoseCo-administeredAnalytePopulation
2685 ng × h/mL
50 mg/kg single, oral
dose: 50 mg/kg
route of administration: Oral
experiment type: SINGLE
co-administered:
PROFENAMINE plasma
Rattus norvegicus
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
T1/2

T1/2

ValueDoseCo-administeredAnalytePopulation
26.1 h
50 mg/kg single, oral
dose: 50 mg/kg
route of administration: Oral
experiment type: SINGLE
co-administered:
PROFENAMINE plasma
Rattus norvegicus
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
Funbound

Funbound

ValueDoseCo-administeredAnalytePopulation
7%
50 mg/kg single, oral
dose: 50 mg/kg
route of administration: Oral
experiment type: SINGLE
co-administered:
PROFENAMINE plasma
Rattus norvegicus
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
Doses

Doses

DosePopulationAdverse events​
5 mg multiple, subcutaneous
Dose: 5 mg
Route: subcutaneous
Route: multiple
Dose: 5 mg
Sources:
unhealthy, 54 years
n = 1
Health Status: unhealthy
Age Group: 54 years
Sex: F
Population Size: 1
Sources:
Other AEs: Respiratory rate decreased, Respiratory rhythm disorder...
Other AEs:
Respiratory rate decreased
Respiratory rhythm disorder
Corneal reflex decreased
Fixed dilated pupils
Sources:
AEs

AEs

AESignificanceDosePopulation
Corneal reflex decreased
5 mg multiple, subcutaneous
Dose: 5 mg
Route: subcutaneous
Route: multiple
Dose: 5 mg
Sources:
unhealthy, 54 years
n = 1
Health Status: unhealthy
Age Group: 54 years
Sex: F
Population Size: 1
Sources:
Fixed dilated pupils
5 mg multiple, subcutaneous
Dose: 5 mg
Route: subcutaneous
Route: multiple
Dose: 5 mg
Sources:
unhealthy, 54 years
n = 1
Health Status: unhealthy
Age Group: 54 years
Sex: F
Population Size: 1
Sources:
Respiratory rate decreased
5 mg multiple, subcutaneous
Dose: 5 mg
Route: subcutaneous
Route: multiple
Dose: 5 mg
Sources:
unhealthy, 54 years
n = 1
Health Status: unhealthy
Age Group: 54 years
Sex: F
Population Size: 1
Sources:
Respiratory rhythm disorder
5 mg multiple, subcutaneous
Dose: 5 mg
Route: subcutaneous
Route: multiple
Dose: 5 mg
Sources:
unhealthy, 54 years
n = 1
Health Status: unhealthy
Age Group: 54 years
Sex: F
Population Size: 1
Sources:
PubMed

PubMed

TitleDatePubMed
Comparison of opioid agonists in maintaining responding and in suppressing morphine withdrawal in rhesus monkeys.
1981
Relative cataleptic potency of narcotic analgesics, including 3,6-dibutanoylmorphine and 6-monoacetylmorphine.
1984
Serotonin and norepinephrine uptake inhibiting activity of centrally acting analgesics: structural determinants and role in antinociception.
1995 Sep
Central discriminative effects of morphine in rats: training via intracerebroventricular administration.
2001 Dec
Interface for coupling nonaqueous wide-bore capillary electrophoresis with mass spectrometry.
2002 Feb
Antidepressant-like effects of tramadol and other central analgesics with activity on monoamines reuptake, in helpless rats.
2002 Nov 29
Sex-related differences in mechanical nociception and antinociception produced by mu- and kappa-opioid receptor agonists in rats.
2002 Oct 4
Sensitivity to the effects of opioids in rats with free access to exercise wheels: mu-opioid tolerance and physical dependence.
2003 Aug
Opioids ease neuropathic pain, but..
2003 May
Discriminative stimulus effects of acute morphine followed by naltrexone in the squirrel monkey.
2003 May
10-Ketomorphinan and 3-substituted-3-desoxymorphinan analogues as mixed kappa and micro opioid ligands: synthesis and biological evaluation of their binding affinity at opioid receptors.
2004 Jan 1
[Fundamentals of modern treatment of myopia].
2005
Discriminative stimulus effects of acute morphine followed by naltrexone in the squirrel monkey: a further characterization.
2005 Jul
Over-the-counter cold medications-postmortem findings in infants and the relationship to cause of death.
2005 Oct
Chronic exercise decreases sensitivity to mu opioids in female rats: correlation with exercise output.
2006 Sep
Can levorphanol be used like methadone for intractable refractory pain?
2007 Apr
Levorphanol revisited.
2007 Dec
Does purity of supplements count?
2007 Jan
Morphine reduces local cytokine expression and neutrophil infiltration after incision.
2007 Oct 2
Challenges in using opioids to treat pain in persons with substance use disorders.
2008 Jun
Preoperative oral dextromethorphan does not reduce pain or morphine consumption after open cholecystectomy.
2009 Jul
Somatostatin and opioid receptors do not regulate proliferation or apoptosis of the human multiple myeloma U266 cells.
2009 Jun 7
Patents

Sample Use Guides

The usual recommended starting dose of Levorphanol for oral administration is 2 mg.
Route of Administration: Oral
In Vitro Use Guide
Unknown
Substance Class Chemical
Created
by admin
on Sat Dec 16 10:15:09 UTC 2023
Edited
by admin
on Sat Dec 16 10:15:09 UTC 2023
Record UNII
47SM98QQ3P
Record Status Validated (UNII)
Record Version
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Name Type Language
RACEMORPHAN HYDROCHLORIDE
Common Name English
MORPHINAN, 3-HYDROXY-N-METHYL-, HYDROCHLORIDE
Systematic Name English
MORPHINAN, 3-HYDROXY-N-METHYL-, HYDROCHLORIDE, (±)-
Systematic Name English
DL-3-HYDROXY-N-METHYLMORPHINAN HYDROCHLORIDE
Common Name English
Code System Code Type Description
FDA UNII
47SM98QQ3P
Created by admin on Sat Dec 16 10:15:10 UTC 2023 , Edited by admin on Sat Dec 16 10:15:10 UTC 2023
PRIMARY
PUBCHEM
53324694
Created by admin on Sat Dec 16 10:15:10 UTC 2023 , Edited by admin on Sat Dec 16 10:15:10 UTC 2023
PRIMARY
CAS
6424-21-1
Created by admin on Sat Dec 16 10:15:10 UTC 2023 , Edited by admin on Sat Dec 16 10:15:10 UTC 2023
PRIMARY
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