U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ACHIRAL
Molecular Formula C7H7Cl2NO
Molecular Weight 192.043
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of CLOPIDOL

SMILES

CC1=NC(C)=C(Cl)C(O)=C1Cl

InChI

InChIKey=ZDPIZLCVJAAHHR-UHFFFAOYSA-N
InChI=1S/C7H7Cl2NO/c1-3-5(8)7(11)6(9)4(2)10-3/h1-2H3,(H,10,11)

HIDE SMILES / InChI
Clopidol is an anticoccidial drug used in chickens and turkeys in oredr to prevent coccidiosis and leucocytozoonosis. The drug is approved by FDA and is marketed under the names Coyden 25 and Lerbek 25 (in combination with methylbenzoquate).

Approval Year

Conditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Preventing
COYDEN 25

Approved Use

Chickens: Aid in the prevention of coccidiosis caused by E. tenella, E. necatrix, E. acervulina, E. maxima, E. brunetti, and E. mivati. Turkeys: Aid in the prevention of leucocytozoonosis caused by Leucocytozoon smithi.

Launch Date

1997
Preventing
COYDEN 25

Approved Use

Chickens: Aid in the prevention of coccidiosis caused by E. tenella, E. necatrix, E. acervulina, E. maxima, E. brunetti, and E. mivati. Turkeys: Aid in the prevention of leucocytozoonosis caused by Leucocytozoon smithi.

Launch Date

1997
PubMed

PubMed

TitleDatePubMed
Quinolin-4(1H)-imines are potent antiplasmodial drugs targeting the liver stage of malaria.
2013-06-13
Development and validation of a rapid multi-class method for the confirmation of fourteen prohibited medicinal additives in pig and poultry compound feed by liquid chromatography-tandem mass spectrometry.
2010-12-01
Is implantation of drug-eluting stents a Faustian choice?
2010-10
Incidence, predictors and outcome of drug-eluting stent thrombosis in real-world practice.
2010-10
Determination of residual clopidol in chicken muscle by capillary gas chromatography-negative chemical ionization-mass spectrometry.
2009-10
Sensitivity of isolates of Eimeria from turkey flocks to the anticoccidial drugs amprolium, clopidol, diclazuril, and monensin.
2009-09
[Determination of clopidol residue in poultry products by liquid chromatography-electrospray ion trap tandem mass spectrometry].
2009-03
[Determination of clopidol residues in chicken muscle by gas chromatography-mass spectrometry].
2009-01
Synthesis and structure-activity relationships of 4-pyridones as potential antimalarials.
2008-05-08
Antimalarial quinolones: synthesis, potency, and mechanistic studies.
2008-04
ACTIVE-W: warfarin beats clopidogrel/aspirin in atrial fibrillation.
2006-05-31
Relative virulences of a drug-resistant and a drug-sensitive strain of Eimeria acervulina, a coccidium of chickens.
2006-01-15
Determination of residual clopidol in chicken muscle by capillary gas chromatography/mass spectrometry.
2005-09-13
Determination of clopidol residues in chicken tissues by liquid chromatography: collaborative study.
2003-09-26
Efficacy of selected oral chemotherapeutants against Ichthyophthirius multifiliis (Ciliophora: Ophyroglenidae) infecting rainbow trout Oncorhynchus mykiss.
2003-06-20
Committee on drugs and related topics. Drug residues in animal tissues.
2003-02-28
Comparison of ion-pairing and ion-suppressing liquid chromatographic methods for the determination of pyrimethamine and ormetoprim in chicken feed.
2002-07
Effect of clopidogrel on platelet aggregation and plasma concentration of fibrinogen in subjects with cerebral or coronary atherosclerotic disease.
2002-04
Determination of clopidol residues in chicken tissues by liquid chromatography: part III. Quality control analysis of export chickens.
2001-10-17
Determination of clopidol residues in chicken tissues by liquid chromatography: part II. Distribution and depletion of clopidol in chicken tissues.
2001-10-17
Determination of clopidol residues in chicken tissues by liquid chromatography: part I. Optimization of analytical conditions and comparison with AOAC gas chromatography method.
2001-10-17
Patents

Sample Use Guides

For preventing coccidiosis in broiler chickens and chickens reared for laying blend 500 g of 25% formulation (Coyden 25) per ton of feed. To prevent leucocytozoonosis in turkeys use 125 to 250 grams per ton of feed. The final concentration should not exceed 250 ppm.
Route of Administration: Oral
In Vitro Use Guide
Unknown
Name Type Language
NSC-253479
Preferred Name English
CLOPIDOL
GREEN BOOK   INN   MART.   MI   USAN  
USAN   INN  
Official Name English
CLOPIDOL [USAN]
Common Name English
clopidol [INN]
Common Name English
CLOPIDOL [GREEN BOOK]
Common Name English
3,5-Dichloro-2,6-dimethyl-4-pyridinol
Systematic Name English
4-PYRIDINOL, 3,5-DICHLORO-2,6-DIMETHYL-
Systematic Name English
CLOPIDOL [MART.]
Common Name English
CLOPIDOL [MI]
Common Name English
Classification Tree Code System Code
CFR 21 CFR 558.175
Created by admin on Mon Mar 31 17:54:43 GMT 2025 , Edited by admin on Mon Mar 31 17:54:43 GMT 2025
CFR 21 CFR 556.160
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EPA PESTICIDE CODE 306200
Created by admin on Mon Mar 31 17:54:43 GMT 2025 , Edited by admin on Mon Mar 31 17:54:43 GMT 2025
Code System Code Type Description
FDA UNII
8J763HFF5N
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PRIMARY
CAS
2971-90-6
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PRIMARY
HSDB
7907
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PRIMARY
ChEMBL
CHEMBL446918
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PRIMARY
INN
2526
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PRIMARY
ECHA (EC/EINECS)
221-008-2
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PRIMARY
NSC
253479
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PRIMARY
EVMPD
SUB06739MIG
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PRIMARY
DAILYMED
8J763HFF5N
Created by admin on Mon Mar 31 17:54:43 GMT 2025 , Edited by admin on Mon Mar 31 17:54:43 GMT 2025
PRIMARY
EPA CompTox
DTXSID8041793
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PRIMARY
NCI_THESAURUS
C76417
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PRIMARY
WIKIPEDIA
CLOPIDOL
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PRIMARY
RXCUI
1367179
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PRIMARY RxNorm
MERCK INDEX
m3656
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PRIMARY Merck Index
PUBCHEM
18087
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PRIMARY
SMS_ID
100000084017
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PRIMARY