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Study Information
Study Attribute Value
CEBS Accession Number: 002-01865-0015-0000-8
Chemical Name: Chlorodibromomethane
CASRN: 124-48-1
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: 687058_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 2)
Initial Treatment Date Tissue Sample Time (h) Sex Species Strain Protocol Trial Result
02/06/1989 Bone Marrow 42 Male Mouse B6C3F1 IP/IJ x 1,  42 hour Negative

Test Group Dose
(mg/kg)
Animal
Number
No.
Cells
SCE / Cell
Mean ± SEM
Vehicle Control Corn Oil
 0         
9667 25 3.56 ± 0.496
    9668 25 4.70 ± 0.379
    9669 25 5.44 ± 0.643
    9670 25 2.96 ± 0.414
Average   4.17 ± 0.557
 
Test Chemical Chlorodibromomethane
100         
9632 25 4.68 ± 0.610
    9633 25 3.65 ± 0.451
    9634 25 4.03 ± 0.477
    9635 25 4.35 ± 0.605
Average   4.17 ± 0.221
 
Test Chemical Chlorodibromomethane
200         
9637 25 8.98 ± 0.605
    9638 25 5.37 ± 0.505
    9639 25 3.50 ± 0.458
    9640 25 6.52 ± 0.593
Average   6.09 ± 1.146
 
Test Chemical Chlorodibromomethane
400         
9642 25 3.89 ± 0.380
    9643 25 3.17 ± 0.382
    9644 25 5.45 ± 0.526
    9645 25 5.10 ± 0.402
Average   4.40 ± 0.528
 
Positive Control Dimethylbenzanthracene
2.5       
9672 25 8.78 ± 0.796
    9673 25 10.26 ± 0.873
    9674 25 5.53 ± 0.566
    9675 25 9.78 ± 0.834
Average   8.59 ± 1.064
 

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