ChemSpider 2D Image | Cefapirin | C17H17N3O6S2

Cefapirin

  • Molecular FormulaC17H17N3O6S2
  • Average mass423.463 Da
  • Monoisotopic mass423.055878 Da
  • ChemSpider ID28486

  • defined stereocentres - 2 of 2 defined stereocentres

More details:

Featured data source
The Merck Index Online

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

(6R,7R)-3-(Acetoxymethyl)-8-oxo-7-(2-(pyridin-4-ylthio)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-3-(Acetoxymethyl)-8-oxo-7-{[(4-pyridinylsulfanyl)acetyl]amino}-5-thia-1-azabicyclo[4.2.0]oct-2-en-2-carbonsäure [German] [ACD/IUPAC Name]
(6R,7R)-3-(Acetoxymethyl)-8-oxo-7-{[(4-pyridinylsulfanyl)acetyl]amino}-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid [ACD/IUPAC Name]
(6R,7R)-3-(Acetoxymethyl)-8-oxo-7-{[(pyridin-4-ylsulfanyl)acetyl]amino}-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-3-[(acetyloxy)methyl]-8-oxo-7-{[(pyridin-4-ylthio)acetyl]amino}-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
21593-23-7 [RN]
244-466-5 [EINECS]
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(acetyloxy)methyl]-8-oxo-7-[[(4-pyridinylthio)acetyl]amino]-, (6R,7R)-
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(acetyloxy)methyl]-8-oxo-7-[[2-(4-pyridinylthio)acetyl]amino]-, (6R,7R)- [ACD/Index Name]
Acide (6R,7R)-3-(acétoxyméthyl)-8-oxo-7-{[2-(4-pyridinylsulfanyl)acétyl]amino}-5-thia-1-azabicyclo[4.2.0]oct-2-ène-2-carboxylique [French] [ACD/IUPAC Name]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

2871 [DBID]
89B59H32VN [DBID]
4031996 [DBID]
AIDS007644 [DBID]
AIDS-007644 [DBID]
ANTIBIOTIC BL-P1322 [DBID]
BRN 1095157 [DBID]
C06896 [DBID]
DivK1c_000042 [DBID]
HSDB 3215 [DBID]
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    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

    Density: 1.6±0.1 g/cm3
    Boiling Point: 783.9±60.0 °C at 760 mmHg
    Vapour Pressure: 0.0±2.9 mmHg at 25°C
    Enthalpy of Vaporization: 119.6±3.0 kJ/mol
    Flash Point: 427.9±32.9 °C
    Index of Refraction: 1.689
    Molar Refractivity: 102.7±0.4 cm3
    #H bond acceptors: 9
    #H bond donors: 2
    #Freely Rotating Bonds: 8
    #Rule of 5 Violations: 0
    ACD/LogP: 0.79
    ACD/LogD (pH 5.5): -2.84
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 1.00
    ACD/LogD (pH 7.4): -3.79
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 1.00
    Polar Surface Area: 177 Å2
    Polarizability: 40.7±0.5 10-24cm3
    Surface Tension: 83.9±5.0 dyne/cm
    Molar Volume: 269.1±5.0 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) =  -0.80
    Log Kow (Exper. database match) =  -1.15
       Exper. Ref:  Sangster (1994)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  666.82  (Adapted Stein & Brown method)
    Melting Pt (deg C):  290.52  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.44E-015  (Modified Grain method)
    Subcooled liquid VP: 1.28E-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):  1028
       log Kow used: -1.15 (expkow database)
       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:
       Esters-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.11E-021  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.805E-019 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.15  (exp database)
  Log Kaw used:  -19.343  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  18.193
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0585
   Biowin2 (Non-Linear Model)     :   0.9958
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4456  (weeks-months)
   Biowin4 (Primary Survey Model) :   4.2434  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3737
   Biowin6 (MITI Non-Linear Model):   0.0302
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2496
 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):  1.71E-010 Pa (1.28E-012 mm Hg)
  Log Koa (Koawin est  ): 18.193
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.76E+004 
       Octanol/air (Koa) model:  3.83E+005 
   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 = 123.2946 E-12 cm3/molecule-sec
      Half-Life =     0.087 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.041 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   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    :  481.5
      Log Koc:  2.683 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  3.467E-001  L/mol-sec
  Kb Half-Life at pH 8:      23.141  days   
  Kb Half-Life at pH 7:     231.410  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: -1.15 (expkow database)

 Volatilization from Water:
    Henry LC:  1.11E-021 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.085E+018  hours   (4.523E+016 days)
    Half-Life from Model Lake : 1.184E+019  hours   (4.934E+017 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       2.3e-008        1.33         1000       
   Water     46.4            900          1000       
   Soil      53.5            1.8e+003     1000       
   Sediment  0.0891          8.1e+003     0          
     Persistence Time: 973 hr

    Click to predict properties on the Chemicalize site


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