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Study Information
Study Attribute Value
CEBS Accession Number: 002-01863-0012-0000-3
Chemical Name: Chlorobenzene
CASRN: 108-90-7
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: 569047_SCE
Study Result: Negative


Table Instructions and Notes:

Below are the detailed Sister Chromatid Exchange data. You may also view the summary data for this study.


Detailed Sister Chromatid Exchange Data (Trial 3)
Initial Treatment Date Tissue Sample Time (h) Sex Species Strain Protocol Trial Result
05/10/1988 Bone Marrow 23 Male Mouse B6C3F1 IP/IJ x 1,  23 hour Negative

Test Group Dose
(mg/kg)
Animal
Number
No.
Cells
SCE / Cell
Mean ± SEM
Vehicle Control Corn Oil
 0         
8510 25 5.34 ± 0.529
    8533 24 5.95 ± 0.540
    8566 25 4.54 ± 0.393
    8571 25 4.20 ± 0.356
Average   4.99 ± 0.394
 
Test Chemical Chlorobenzene
1000         
8525 25 5.89 ± 0.512
    8526 25 5.06 ± 0.465
    8529 25 4.16 ± 0.366
    8532 25 5.20 ± 0.611
Average   5.08 ± 0.356
 
Test Chemical Chlorobenzene
1250         
8527 25 5.50 ± 0.468
    8530 25 6.12 ± 0.794
    8531 25 4.99 ± 0.592
    8534 25 6.44 ± 0.716
Average   5.75 ± 0.324
 
Positive Control Dimethylbenzanthracene
2.5       
8519 25 6.21 ± 0.533
    8536 25 7.74 ± 0.683
    8541 25 7.38 ± 0.575
    8561 25 6.80 ± 0.521
Average   7.03 ± 0.335
 

Footnotes:
IP/IJ: Intraperitoneal Injection
n: Number of animals analyzed