ChemSpider 2D Image | THCA-A | C22H30O4

THCA-A

  • Molecular FormulaC22H30O4
  • Average mass358.471 Da
  • Monoisotopic mass358.214417 Da
  • ChemSpider ID88974

  • defined stereocentres - 2 of 2 defined stereocentres

More details:

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

(6aR,10aR)-1-Hydroxy-6,6,9-trimethyl-3-pentyl-6a,7,8,10a-tetrahydro-6H-benzo[c]chromen-2-carbonsäure [German] [ACD/IUPAC Name]
(6aR,10aR)-1-Hydroxy-6,6,9-trimethyl-3-pentyl-6a,7,8,10a-tetrahydro-6H-benzo[c]chromene-2-carboxylic acid [ACD/IUPAC Name]
?9-tetrahydrocannabinolic acid
23978-85-0 [RN]
6H-Dibenzo[b,d]pyran-2-carboxylic acid, 6a,7,8,10a-tetrahydro-1-hydroxy-6,6,9-trimethyl-3-pentyl-, (6aR,10aR)- [ACD/Index Name]
Acide (6aR,10aR)-1-hydroxy-6,6,9-triméthyl-3-pentyl-6a,7,8,10a-tétrahydro-6H-benzo[c]chromène-2-carboxylique [French] [ACD/IUPAC Name]
MFCD20133805
THCA-A
δ9-tetrahydrocannabinolic acid A
(6aR,10aR)-1-hydroxy-6,6,9-trimethyl-3-pentyl-6a,7,8,10a-tetrahydrobenzo[c]chromene-2-carboxylic acid
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

EJ6CZV0K5Y [DBID]
UNII:EJ6CZV0K5Y [DBID]
UNII-EJ6CZV0K5Y [DBID]
  • Miscellaneous

    • Chemical Class:

      A diterpenoid that is 6a,7,8,10a-tetrahydro-6<element>H</element>-benzo[<ital>c</ital>]chromene substituted at position 1 by a hydroxy group, positions 6, 6 and 9 by methyl groups and at position 3 by a pentyl group. A biosynthetic precursor to <greek>Delta</greek><smallsup>9</smallsup>-tetrahydrocannabinol, the principal psychoactive constituent of the cannabis plant. ChEBI CHEBI:67078
      A diterpenoid that is 6a,7,8,10a-tetrahydro-6H-benzo[c]chromene substituted at position 1 by a hydroxy group, positions 6, 6 and 9 by methyl groups and at position 3 by; a pentyl group. A biosyntheti c precursor to Delta9-tetrahydrocannabinol, the principal psychoactive constituent of the cannabis plant. ChEBI https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:67078

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

Density: 1.1±0.1 g/cm3
Boiling Point: 436.8±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.1 mmHg at 25°C
Enthalpy of Vaporization: 73.1±3.0 kJ/mol
Flash Point: 142.1±22.2 °C
Index of Refraction: 1.548
Molar Refractivity: 102.4±0.3 cm3
#H bond acceptors: 4
#H bond donors: 2
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 1
ACD/LogP: 8.41
ACD/LogD (pH 5.5): 5.20
ACD/BCF (pH 5.5): 1116.92
ACD/KOC (pH 5.5): 850.25
ACD/LogD (pH 7.4): 4.84
ACD/BCF (pH 7.4): 498.92
ACD/KOC (pH 7.4): 379.80
Polar Surface Area: 67 Å2
Polarizability: 40.6±0.5 10-24cm3
Surface Tension: 40.7±3.0 dyne/cm
Molar Volume: 322.3±3.0 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) =  7.57

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  489.67  (Adapted Stein & Brown method)
    Melting Pt (deg C):  207.77  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.89E-011  (Modified Grain method)
    Subcooled liquid VP: 6.84E-009 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):  0.007147
       log Kow used: 7.57 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.0012644 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Phenols-acid
       Salicylic Acid-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.19E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.207E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.57  (KowWin est)
  Log Kaw used:  -6.597  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.167
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0353
   Biowin2 (Non-Linear Model)     :   0.9916
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4296  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4337  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5004
   Biowin6 (MITI Non-Linear Model):   0.2365
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1046
 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):  9.12E-007 Pa (6.84E-009 mm Hg)
  Log Koa (Koawin est  ): 14.167
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.29 
       Octanol/air (Koa) model:  36.1 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.992 
       Mackay model           :  0.996 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 309.1597 E-12 cm3/molecule-sec
      Half-Life =     0.035 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    24.910 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    43.000000 E-17 cm3/molecule-sec
      Half-Life =     0.027 Days (at 7E11 mol/cm3)
      Half-Life =     38.378 Min
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.994 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  5.584E+004
      Log Koc:  4.747 

 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 = 1.000 (BCF = 10)
       log Kow used: 7.57 (estimated)

 Volatilization from Water:
    Henry LC:  6.19E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.791E+005  hours   (7462 days)
    Half-Life from Model Lake : 1.954E+006  hours   (8.141E+004 days)

 Removal In Wastewater Treatment:
    Total removal:              93.98  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.21  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       0.00551         0.361        1000       
   Water     1.97            900          1000       
   Soil      28.5            1.8e+003     1000       
   Sediment  69.6            8.1e+003     0          
     Persistence Time: 3.09e+003 hr

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