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Study Information
Study Attribute Value
CEBS Accession Number: 002-01432-0014-0000-7
Chemical Name: 3-Chloro-2-methylpropene
CASRN: 563-47-3
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: 223649_SCE
Study Result: Positive


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
07/15/1986 Bone Marrow 23 Male Mouse B6C3F1 IP/IJ x 1,  23 hour Positive

Test Group Dose
(mg/kg)
Animal
Number
No.
Cells
SCE / Cell
Mean ± SEM
Vehicle Control Corn Oil
 0         
3682 25 5.83 ± 0.603
    3684 25 5.58 ± 0.592
    3692 23 4.73 ± 0.479
    3694 25 4.75 ± 0.781
Average   5.25 ± 0.283
 
Test Chemical 3-Chloro-2-methylpropene
75         
3681 25 4.55 ± 0.613
    3700 24 4.06 ± 0.344
    3701 24 3.91 ± 0.459
    3705 23 4.94 ± 0.545
Average   4.36 ± 0.236
 
Test Chemical 3-Chloro-2-methylpropene
150         
3678 24 6.79 ± 0.708
    3683 25 4.48 ± 0.544
    3685 25 6.46 ± 0.667
    3696 25 7.08 ± 0.532
Average   6.20 ± 0.589
 
Test Chemical 3-Chloro-2-methylpropene
300         
3688 25 8.15 ± 1.127
    3689 25 8.51 ± 0.774
    3698 25 5.75 ± 0.656
    3704 25 8.60 ± 0.985
Average   7.74 ± 0.676
 
Positive Control Dimethylbenzanthracene
2.5       
3686 25 12.42 ± 1.194
    3693 25 9.05 ± 0.841
    3699 25 7.67 ± 0.765
    3702 25 9.84 ± 0.855
Average   9.75 ± 0.998
 

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