Product Name

  • Name

    Fenpipalone

  • EINECS
  • CAS No. 21820-82-6
  • Article Data2
  • CAS DataBase
  • Density 1.127g/cm3
  • Solubility
  • Melting Point
  • Formula C17H22 N2 O2
  • Boiling Point 486.9°Cat760mmHg
  • Molecular Weight 286.374
  • Flash Point 248.3°C
  • Transport Information
  • Appearance
  • Safety Poison by ingestion, intraperitoneal, and intravenous routes. When heated to decomposition it emits toxic fumes of NOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 21820-82-6 (Fenpipalone)
  • Hazard Symbols
  • Synonyms 2-Oxazolidinone,5-[2-(3,6-dihydro-4-phenyl-1(2H)-pyridyl)ethyl]-3-methyl- (8CI); 3-Methyl-5-[2-(4-phenyl-1,2,3,6-tetrahydro-1-pyridyl)ethyl]-2-oxazolidinone;5,2-(3,6-Dihydro-4-phenyl-1(2H)-pyridyl)ethyl-3-methyl-2-oxazolidinone; AHR1680; Fenpipalone
  • PSA 32.78000
  • LogP 2.49220

Fenpipalone Chemical Properties

Molecular structure of Fenpipalone (CAS NO.21820-82-6) is:

Product Name: Fenpipalone
CAS Registry Number: 21820-82-6
IUPAC Name: 3-methyl-5-[2-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)ethyl]-1,3-oxazolidin-2-one
Molecular Weight: 286.36878 [g/mol]
Molecular Formula: C17H22N2O2
XLogP3-AA: 2.2
H-Bond Donor: 0
H-Bond Acceptor: 3
Surface Tension: 41.7 dyne/cm
Density: 1.127 g/cm3
Flash Point: 248.3 °C
Enthalpy of Vaporization: 75.27 kJ/mol
Boiling Point: 486.9 °C at 760 mmHg
Vapour Pressure: 1.24E-09 mmHg at 25°C 
Classification Code: Anti-inflammatory

Fenpipalone Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LD50 oral 300mg/kg (300mg/kg)   "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972Vol. -, Pg. 200, 1972.
guinea pig LD50 intraperitoneal 189mg/kg (189mg/kg)   "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972Vol. -, Pg. 200, 1972.
mouse LD50 intraperitoneal 180mg/kg (180mg/kg)   "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972Vol. -, Pg. 200, 1972.
mouse LD50 intravenous 91mg/kg (91mg/kg)   "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972Vol. -, Pg. 200, 1972.
mouse LD50 oral 349mg/kg (349mg/kg)   "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972Vol. -, Pg. 200, 1972.
rat LD50 intraperitoneal 140mg/kg (140mg/kg)   "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972Vol. -, Pg. 200, 1972.
rat LD50 intravenous 71mg/kg (71mg/kg)   "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972Vol. -, Pg. 200, 1972.
rat LD50 oral 340mg/kg (340mg/kg)   "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972Vol. -, Pg. 200, 1972.

Fenpipalone Safety Profile

Poison by ingestion, intraperitoneal, and intravenous routes. When heated to decomposition it emits toxic fumes of NOx.

Fenpipalone Specification

 Fenpipalone , its cas register number is 21820-82-6. It also can be called Fenpipalone [USAN:INN] ; 2-Oxazolidinone, 5-(2-(3,6-dihydro-4-phenyl-1(2H)-pyridinyl)ethyl)-3-methyl- ; 5-(2-(3,6-Dihydro-4-phenyl-1(2H)-pyridyl)ethyl)-3-methyl-2-oxazolidinone ; AHR-1680 ; BRN 1222903 ; Fenpipalona ; Fenpipalona [INN-Spanish] ; Fenpipalonum ; Fenpipalonum [INN-Latin] ; UNII-6TVC31DEDE ; 2-Oxazolidinone, 5-(2-(3,6-dihydro-4-phenyl-1(2H)-pyridinyl)ethyl)-3-methyl- ; 2-Oxazolidinone, 5-(2-(3,6-dihydro-4-phenyl-1(2H)-pyridyl)ethyl)-3-methyl- .

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