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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 2)
Initial Treatment Date Tissue Sample Time (h) Sex Species Strain Protocol Trial Result
07/23/1987 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         
5716 25 6.23 ± 0.423
    5722 24 4.99 ± 0.459
    5739 25 4.17 ± 0.403
    5740 25 5.01 ± 0.328
Average   5.10 ± 0.425
 
Test Chemical 3-Chloro-2-methylpropene
75         
5705 25 4.67 ± 0.463
    5711 25 5.18 ± 0.486
    5717 24 5.14 ± 0.472
    5720 25 4.69 ± 0.429
Average   4.92 ± 0.138
 
Test Chemical 3-Chloro-2-methylpropene
150         
5702 25 5.75 ± 0.434
    5707 24 4.78 ± 0.531
    5710 25 6.49 ± 0.483
    5735 25 5.39 ± 0.457
Average   5.62 ± 0.358
 
Test Chemical 3-Chloro-2-methylpropene
300         
5708 25 3.41 ± 0.341
    5724 25 4.79 ± 0.383
    5729 25 5.43 ± 0.577
Average   4.55 ± 0.597
 
Positive Control Dimethylbenzanthracene
2.5       
5703 25 11.15 ± 1.283
    5713 25 13.12 ± 1.040
    5719 25 13.22 ± 0.808
    5721 25 13.44 ± 0.918
Average   12.73 ± 0.531
 

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