ChemSpider 2D Image | Tetrahydrobiopterin | C9H15N5O3

Tetrahydrobiopterin

  • Molecular FormulaC9H15N5O3
  • Average mass241.247 Da
  • Monoisotopic mass241.117493 Da
  • ChemSpider ID40270
  • defined stereocentres - 3 of 3 defined stereocentres


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

Tetrahydrobiopterin [Wiki]
(6R)-2-Amino-6-[(1R,2S)-1,2-dihydroxypropyl]-5,6,7,8-tetrahydro-4(1H)-pteridinon [German] [ACD/IUPAC Name]
(6R)-2-Amino-6-[(1R,2S)-1,2-dihydroxypropyl]-5,6,7,8-tetrahydro-4(1H)-pteridinone [ACD/IUPAC Name]
(6R)-2-Amino-6-[(1R,2S)-1,2-dihydroxypropyl]-5,6,7,8-tétrahydro-4(1H)-ptéridinone [French] [ACD/IUPAC Name]
(6R)-2-Amino-6-[(1R,2S)-1,2-dihydroxypropyl]-5,6,7,8-tetrahydropteridin-4(1H)-one
(6R)-L-erythro-Tetrahydrobiopterin
[6R-[6R*(1R*,2S*)]]-2-amino-6-(1,2-dihydroxypropyl)-5,6,7,8-tetrahydro-4(1H)-pteridinone
4(1H)-Pteridinone, 2-amino-6-[(1R,2S)-1,2-dihydroxypropyl]-5,6,7,8-tetrahydro-, (6R)- [ACD/Index Name]
62989-33-7 [RN]
6553
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

CHEBI:59560 [DBID]
SUN-0588 [DBID]
T-1401 [DBID]

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.9±0.1 g/cm3
Boiling Point: 506.6±60.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.0 mmHg at 25°C
Enthalpy of Vaporization: 89.4±6.0 kJ/mol
Flash Point: 260.2±32.9 °C
Index of Refraction: 1.822
Molar Refractivity: 55.4±0.5 cm3
#H bond acceptors: 8
#H bond donors: 7
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 1
ACD/LogP: -4.22
ACD/LogD (pH 5.5): -4.73
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -3.56
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 132 Å2
Polarizability: 22.0±0.5 10-24cm3
Surface Tension: 86.7±7.0 dyne/cm
Molar Volume: 127.1±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) =  -3.74

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  545.42  (Adapted Stein & Brown method)
    Melting Pt (deg C):  233.81  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.19E-014  (Modified Grain method)
    Subcooled liquid VP: 2.12E-012 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):  1e+006
       log Kow used: -3.74 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Aliphatic Amines

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.18E-022  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.777E-021 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -3.74  (KowWin est)
  Log Kaw used:  -20.317  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  16.577
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.2578
   Biowin2 (Non-Linear Model)     :   0.9827
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0349  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8451  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3145
   Biowin6 (MITI Non-Linear Model):   0.0442
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9644
 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):  2.83E-010 Pa (2.12E-012 mm Hg)
  Log Koa (Koawin est  ): 16.577
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.06E+004 
       Octanol/air (Koa) model:  9.27E+003 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 275.3673 E-12 cm3/molecule-sec
      Half-Life =     0.039 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    27.967 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec
      Half-Life =     6.549 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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: -3.74 (estimated)

 Volatilization from Water:
    Henry LC:  1.18E-022 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 7.707E+018  hours   (3.211E+017 days)
    Half-Life from Model Lake : 8.407E+019  hours   (3.503E+018 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  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       1.81e-009       0.927        1000       
   Water     39              360          1000       
   Soil      60.9            720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 579 hr




                    

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