ChemSpider 2D Image | (-)-Laropiprant | C21H19ClFNO4S

(-)-Laropiprant

  • Molecular FormulaC21H19ClFNO4S
  • Average mass435.896 Da
  • Monoisotopic mass435.070740 Da
  • ChemSpider ID8043333

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

Featured data source
The Merck Index Online

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

(-)-Laropiprant
(3R)-4-(4-chlorobenzyl)-7-fluoro-5-(methylsulfonyl)-1,2,3,4-tetrahydrocyclopenta(b)indol-3-yl acetic acid
[(3R)-4-(4-Chlorbenzyl)-7-fluor-5-(methylsulfonyl)-1,2,3,4-tetrahydrocyclopenta[b]indol-3-yl]essigsäure [German] [ACD/IUPAC Name]
[(3R)-4-(4-Chlorobenzyl)-7-fluoro-5-(methylsulfonyl)-1,2,3,4-tetrahydrocyclopenta[b]indol-3-yl]acetic acid [ACD/IUPAC Name]
2-[(3R)-4-[(4-chlorophenyl)methyl]-7-fluoro-5-methanesulfonyl-1H,2H,3H,4H-cyclopenta[b]indol-3-yl]acetic acid
571170-77-9 [RN]
Acide [(3R)-4-(4-chlorobenzyl)-7-fluoro-5-(méthylsulfonyl)-1,2,3,4-tétrahydrocyclopenta[b]indol-3-yl]acétique [French] [ACD/IUPAC Name]
Cyclopent[b]indole-3-acetic acid, 4-[(4-chlorophenyl)methyl]-7-fluoro-1,2,3,4-tetrahydro-5-(methylsulfonyl)-, (3R)- [ACD/Index Name]
G7N11T8O78
laropiprant [Spanish] [INN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

8855 [DBID]
MK-0524 [DBID]
MK 0524 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous

    • Bio Activity:

      GPCR/G protein MedChem Express HY-50175
      GPCR/G protein; MedChem Express HY-50175
      Laropiprant(MK 0524) is a potent, selective DP1 receptor antagonist with Ki value of 0.57 nM; exhibits MedChem Express http://www.medchemexpress.com/HOKU-81.html
      Laropiprant(MK 0524) is a potent, selective DP1 receptor antagonist with Ki value of 0.57 nM; exhibits >1,000 fold selectivity over DP2 receptor (Ki=0.75 uM).; IC50 value: 0.57 nM/0.75 uM (Ki for DP1/DP2); Target: DP1 receptor; Laropiprant(Cardaptive; MK 0524) inhibits PGD2-induced accumulation of cAMP in both washed platelets and platelet-rich plasma with IC50 values of 0.09 and 4.0 nM, respectively. MedChem Express HY-50175
      Laropiprant(MK 0524) is a potent, selective DP1 receptor antagonist with Ki value of 0.57 nM; exhibits >1,000 fold selectivity over DP2 receptor (Ki=0.75 uM).;IC50 value: 0.57 nM/0.75 uM (Ki for DP1/DP2);Target: DP1 receptorLaropiprant(Cardaptive; MK 0524) inhibits PGD2-induced accumulation of cAMP in both washed platelets and platelet-rich plasma with IC50 values of 0.09 and 4.0 nM, respectively. In a sheep model of allergic rhinitis, 0.1 mg/kg MK 0524 completely blocked PGD2-induced nasal congestion. At a dose of 4 mg/kg, MK 0524 suppressed a nicotinic acid-induced vasodilatory response by 80% in a murine model of flushing, an undesirable side-effect of niacin treatment for dyslipidemia. MedChem Express HY-50175
      Prostaglandin Receptor MedChem Express HY-50175

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.5±0.1 g/cm3
Boiling Point: 710.0±60.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.4 mmHg at 25°C
Enthalpy of Vaporization: 109.0±3.0 kJ/mol
Flash Point: 383.2±32.9 °C
Index of Refraction: 1.664
Molar Refractivity: 108.8±0.5 cm3
#H bond acceptors: 5
#H bond donors: 1
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 3.82
ACD/LogD (pH 5.5): 3.54
ACD/BCF (pH 5.5): 166.20
ACD/KOC (pH 5.5): 700.50
ACD/LogD (pH 7.4): 1.74
ACD/BCF (pH 7.4): 2.61
ACD/KOC (pH 7.4): 11.01
Polar Surface Area: 85 Å2
Polarizability: 43.1±0.5 10-24cm3
Surface Tension: 53.7±7.0 dyne/cm
Molar Volume: 293.4±7.0 cm3

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™ 

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  4.72

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  564.54  (Adapted Stein & Brown method)
    Melting Pt (deg C):  242.75  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.7E-012  (Modified Grain method)
    Subcooled liquid VP: 6.15E-010 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.4261
       log Kow used: 4.72 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  7.2489 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.00E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.634E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.72  (KowWin est)
  Log Kaw used:  -12.543  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.263
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.5850
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7322  (recalcitrant)
   Biowin4 (Primary Survey Model) :   3.1645  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.3694
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.2883
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  8.2E-008 Pa (6.15E-010 mm Hg)
  Log Koa (Koawin est  ): 17.263
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  36.6 
       Octanol/air (Koa) model:  4.5E+004 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.999 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  82.5745 E-12 cm3/molecule-sec
      Half-Life =     0.130 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.554 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    88.724998 E-17 cm3/molecule-sec
      Half-Life =     0.013 Days (at 7E11 mol/cm3)
      Half-Life =     18.599 Min
   Fraction sorbed to airborne particulates (phi): 0.999 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  8537
      Log Koc:  3.931 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 4.72 (estimated)

 Volatilization from Water:
    Henry LC:  7E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.746E+011  hours   (7.276E+009 days)
    Half-Life from Model Lake : 1.905E+012  hours   (7.938E+010 days)

 Removal In Wastewater Treatment:
    Total removal:              66.90  percent
    Total biodegradation:        0.60  percent
    Total sludge adsorption:    66.29  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.49e-005       0.282        1000       
   Water     3.34            4.32e+003    1000       
   Soil      88.1            8.64e+003    1000       
   Sediment  8.57            3.89e+004    0          
     Persistence Time: 8.83e+003 hr

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