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Study Information
Study Attribute Value
CEBS Accession Number: 002-01944-0001-0000-1
Chemical Name: D-Camphor
CASRN: 464-49-3
NTP Study Type: Genetic Toxicology - Mammalian Cell Cytogenetics
NTP Study ID: A44191_CA
Study Result: Negative

Study Result: Negative
Activation Trial Trial Call
No Activation  Negative 
Induced Rat Liver S9  1_S9  Negative 

Trial #:1   Activation: No Activation    Date: 02/27/1992    Harvest Time: 12 hour(s)   Trial Call: Negative   
  Dose
µg/mL
Total
Cells Examined
Total Aberrations Complex Aberrations Simple Aberrations Other Abs
No. of
Abs
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
Vehicle Control: Negative (Not Specified)
0         
200 1 0.005 0.5 1 0.005 0.5 0 0.000 0.0 0 0.000 0.0
Acetone
0         
200 2 0.010 1.0 1 0.005 0.5 1 0.005 0.5 0 0.000 0.0
Test Chemical: D-Camphor
250         
200 2 0.010 1.0 1 0.005 0.5 1 0.005 0.5 0 0.000 0.0
500         
200 2 0.010 1.0 1 0.005 0.5 1 0.005 0.5 0 0.000 0.0
750         
200 1 0.005 0.5 1 0.005 0.5 0 0.000 0.0 0 0.000 0.0
1000         
0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
1500         
0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Positive Control: Mitomycin-C
 0.4       
25 10 0.400 36.0 5 0.200 20.0 5 0.200 20.0 0 0.000 0.0
Trend: -0.483 0.000 -0.736  
Probability: 0.685 0.500 0.769  


Trial #:1_S9   Activation: Induced Rat Liver S9    Date: 03/30/1992    Harvest Time: 12 hour(s)   Trial Call: Negative   
  Dose
µg/mL
Total
Cells Examined
Total Aberrations Complex Aberrations Simple Aberrations Other Abs
No. of
Abs
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
Vehicle Control: Acetone
0         
200 6 0.030 3.0 2 0.010 1.0 4 0.020 2.0 0 0.000 0.0
Negative (Not Specified)
0         
200 9 0.045 3.5 4 0.020 2.0 5 0.025 2.0 0 0.000 0.0
Test Chemical: D-Camphor
500         
200 2 0.010 1.0 2 0.010 1.0 0 0.000 0.0 0 0.000 0.0
525         
200 5 0.025 2.5 4 0.020 2.0 1 0.005 0.5 0 0.000 0.0
550         
200 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
575         
0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
600         
0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Positive Control: Cyclophosphamide
20         
25 32 1.280 44.0 14 0.560 32.0 8 0.320 24.0 10 0.400 4.0
Trend: -1.855 -0.627 -2.184  
Probability: 0.968 0.735 0.986