Trazodone

Names

[ CAS No. ]:
19794-93-5

[ Name ]:
Trazodone

[Synonym ]:
2-{3-[4-(3-chloro-phenyl)-piperazin-1-yl]-propyl}-2H-[1,2,4]triazolo[4,3-a]pyridin-3-one
Trazonil
Trittico
Desirel
2-[3-[4-(3-chlorophenyl)piperazin-1-yl]propyl]-[1,2,4]triazolo[4,3-a]pyridin-3-one
Trazodona
MFCD00242886
2-{3-[4-(3-Chlorophenyl)-1-piperazinyl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one
Beneficat
Trazodone
1,2,4-Triazolo(4,3-a)pyridin-3(2H)-one, 2-(3-(4-(3-chlorophenyl)-1-piperazinyl)propyl)-
2-{3-[4-(3-Chlorophenyl)piperazin-1-yl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one
EINECS 243-317-1
2-(3-(4-(3-chlorophenyl)piperazin-1-yl)propyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one
1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one, 2-[3-[4-(3-chlorophenyl)-1-piperazinyl]propyl]-
Molipaxin
Trazodon
Trazodil
2-[3-[4-(3-chlorophenyl)-1-piperazinyl]propyl]-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one
Trazalon

Biological Activity

[Description]:

Trazodone (AF-1161 free base) is a serotonin receptor antagonist and reuptake inhibitor. Trazodone can be used for the research of major depressive disorder. Trazodone also has potential for sleep disorder research[1].

[Related Catalog]:

Research Areas >> Neurological Disease

Signaling Pathways >> GPCR/G Protein >> 5-HT Receptor

Signaling Pathways >> Neuronal Signaling >> 5-HT Receptor

[References]

[1]. Fagiolini A, et, al. Rediscovering trazodone for the treatment of major depressive disorder. CNS Drugs. 2012 Dec;26(12):1033-49.

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
528.5±60.0 °C at 760 mmHg

[ Melting Point ]:
86-87ºC

[ Molecular Formula ]:
C₁₉H₂₂ClN₅O

[ Molecular Weight ]:
371.86

[ Flash Point ]:
273.4±32.9 °C

[ Exact Mass ]:
371.151276

[ PSA ]:
45.78000

[ LogP ]:
1.66

[ Vapour Pressure ]:
0.0±1.4 mmHg at 25°C

[ Index of Refraction ]:
1.671

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XZ5650000

CHEMICAL NAME :: s-Triazolo(4,3-a)pyridin-3(2H)-one, 2-(3-(4-(m-chlorophenyl)-1-piperazinyl)propyl)-

CAS REGISTRY NUMBER :: 19794-93-5

LAST UPDATED :: 199706

DATA ITEMS CITED :: 12

MOLECULAR FORMULA :: C19-H22-Cl-N5-O

MOLECULAR WEIGHT :: 371.91

WISWESSER LINE NOTATION :: T56 ANVNNJ C3- AT6N DNTJ DR CG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - woman

DOSE/DURATION :: 14 mg/kg

TOXIC EFFECTS :: Liver - jaundice, cholestatic

REFERENCE :: AIMEAS Annals of Internal Medicine. (American College of Physicians, 4200 Pine St., Philadelphia, PA 19104) V.1- 1927- Volume(issue)/page/year: 99,572,1983

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 690 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 178 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >1 gm/kg

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

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 91 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >1 gm/kg

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

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 610 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 210 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >1 gm/kg

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

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 91 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 475 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 11 gm/kg

SEX/DURATION :: female 14 day(s) pre-mating female 1-22 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

REFERENCE :: APTOD9 Abstracts of Papers, Society of Toxicology. Annual Meetings. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) Volume(issue)/page/year: 19,A90,1980

Safety Information

[ RIDADR ]:
UN 3249

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1(b)

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%