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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  1  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