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Study Information
Study Attribute Value
CEBS Accession Number: 002-01432-0016-0000-9
Chemical Name: 3-Chloro-2-methylpropene
CASRN: 563-47-3
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: 876278_SCE
Study Result: Negative (Nonstandard Protocol)


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 1)
Initial Treatment Date Tissue Sample Time (h) Sex Species Strain Protocol Trial Result
07/29/1986 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         
3843 25 3.89 ± 0.353
    3844 25 5.67 ± 0.643
    3845 25 5.27 ± 0.548
    3846 25 3.80 ± 0.454
Average   4.66 ± 0.478
 
Test Chemical 3-Chloro-2-methylpropene
62.5       
3838 25 5.60 ± 0.539
    3839 25 4.34 ± 0.405
    3840 25 3.78 ± 0.425
    3841 25 4.22 ± 0.371
Average   4.49 ± 0.391
 
Test Chemical 3-Chloro-2-methylpropene
125         
3833 25 5.07 ± 0.520
    3834 25 5.59 ± 0.571
    3835 25 4.88 ± 0.539
    3836 25 4.59 ± 0.447
Average   5.04 ± 0.212
 
Test Chemical 3-Chloro-2-methylpropene
250         
3828 25 5.35 ± 0.691
    3829 25 5.95 ± 0.763
    3830 25 4.76 ± 0.477
    3831 25 3.82 ± 0.365
Average   4.97 ± 0.454
 
Positive Control Dimethylbenzanthracene
2.5       
3848 25 9.87 ± 0.826
    3849 25 8.83 ± 0.708
    3850 25 8.67 ± 0.900
    3851 25 7.57 ± 0.850
Average   8.74 ± 0.470
 

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