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Details

Stereochemistry RACEMIC
Molecular Formula C23H16O6.2C18H22ClNO
Molecular Weight 996.022
Optical Activity ( + / - )
Defined Stereocenters 0 / 2
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of CHLORPHENOXAMINE EMBONATE

SMILES

CN(C)CCOC(C)(C1=CC=CC=C1)C2=CC=C(Cl)C=C2.CN(C)CCOC(C)(C3=CC=CC=C3)C4=CC=C(Cl)C=C4.OC(=O)C5=CC6=CC=CC=C6C(CC7=C(O)C(=CC8=CC=CC=C78)C(O)=O)=C5O

InChI

InChIKey=PGJUOFIHEKUNFO-UHFFFAOYSA-N
InChI=1S/C23H16O6.2C18H22ClNO/c24-20-16(14-7-3-1-5-12(14)9-18(20)22(26)27)11-17-15-8-4-2-6-13(15)10-19(21(17)25)23(28)29;2*1-18(21-14-13-20(2)3,15-7-5-4-6-8-15)16-9-11-17(19)12-10-16/h1-10,24-25H,11H2,(H,26,27)(H,28,29);2*4-12H,13-14H2,1-3H3

HIDE SMILES / InChI

Molecular Formula C23H16O6
Molecular Weight 388.3695
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Molecular Formula C18H22ClNO
Molecular Weight 303.826
Charge 0
Count
Stereochemistry RACEMIC
Additional Stereochemistry No
Defined Stereocenters 0 / 1
E/Z Centers 0
Optical Activity ( + / - )

Description
Curator's Comment: Description was created based on several sources, including https://www.drugs.com/international/systral.html http://en.pharmacodia.com/web/drug/1_10746.html

Chlorphenoxamine is an antihistamine and anticholinergic used as an antipruritic and was formerly used in the sympathomimetic treatment of parkinsonism. Histamine receptor H1 antagonist. Chlorphenoxamine is used to treat Allergic conditions, it is reported as an ingredient of Systral in Germany, Malta, Portugal, Thailand, Turkey.

Approval Year

TargetsConditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Primary
CHLORPHENOXAMINE

Approved Use

Allergic conditions
Doses

Doses

DosePopulationAdverse events​
600 mg multiple, oral
Highest studied dose
Dose: 600 mg
Route: oral
Route: multiple
Dose: 600 mg
Sources:
unhealthy
Health Status: unhealthy
Sex: M+F
Sources:
Overview

Overview

CYP3A4CYP2C9CYP2D6hERG

OverviewOther

Other InhibitorOther SubstrateOther Inducer

Drug as perpetrator​

Drug as perpetrator​

TargetModalityActivityMetaboliteClinical evidence
inconclusive
Sourcing

Sourcing

Vendor/AggregatorIDURL
PubMed

PubMed

TitleDatePubMed
In vitro antibacterial activity of some systemic and topical antihistaminic preparations.
2009-12-01
Spectrophotometric determination of some histamine H1-antagonists drugs in their pharmaceutical preparations.
2008-01
Aspirin-induced unilateral angioedema of the tongue.
2006-05
Simultaneous determination of caffeine, 8-chlorotheophylline, and chlorphenoxamine hydrochloride in ternary mixtures by ratio-spectra zero-crossing first-derivative spectrophotometric and chemometric methods.
2005-09-13
[Significance of chromatographic methods coupled with mass spectrometry for identification of drugs for medico-legal purposes exemplified by chlorphenoxamine].
2003-12-13
Simultaneous spectrophotometric determination of chlorphenoxamine hydrochloride and caffeine in a pharmaceutical preparation using first derivative of the ratio spectra and chemometric methods.
2002-05-15
[Antimycobacterial antihistaminics].
1989-08
Patents

Sample Use Guides

Topical/Cutaneous Allergic conditions Adult: Apply when required several times daily.
Route of Administration: Topical
Unknown
Substance Class Chemical
Created
by admin
on Mon Mar 31 21:29:29 GMT 2025
Edited
by admin
on Mon Mar 31 21:29:29 GMT 2025
Record UNII
6RZ7C08DLL
Record Status Validated (UNII)
Record Version
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Name Type Language
CHLORPHENOXAMINE PAMOATE
WHO-DD  
Preferred Name English
CHLORPHENOXAMINE EMBONATE
Common Name English
Chlorphenoxamine pamoate [WHO-DD]
Common Name English
Code System Code Type Description
PUBCHEM
139032930
Created by admin on Mon Mar 31 21:29:29 GMT 2025 , Edited by admin on Mon Mar 31 21:29:29 GMT 2025
PRIMARY
FDA UNII
6RZ7C08DLL
Created by admin on Mon Mar 31 21:29:29 GMT 2025 , Edited by admin on Mon Mar 31 21:29:29 GMT 2025
PRIMARY
SMS_ID
300000048976
Created by admin on Mon Mar 31 21:29:29 GMT 2025 , Edited by admin on Mon Mar 31 21:29:29 GMT 2025
PRIMARY
Related Record Type Details
ACTIVE MOIETY