COVID-19 is an emerging, rapidly evolving situation.

Get the latest public health information from CDC and research information from NIH.

U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Share This:
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 2)
Initial Treatment Date Tissue Sample Time (h) Sex Species Strain Protocol Trial Result
02/22/1988 Bone Marrow 42 Male Mouse B6C3F1 IP/IJ x 1,  42 hour Not a Valid Test

Test Group Dose
(mg/kg)
Animal
Number
No.
Cells
SCE / Cell
Mean ± SEM
Vehicle Control Corn Oil
 0         
7455 25 11.91 ± 1.340
    7456 25 4.07 ± 0.363
    7457 25 4.85 ± 0.669
    7458 25 4.00 ± 0.465
Average   6.21 ± 1.911
 
Test Chemical 3-Chloro-2-methylpropene
62.5       
7425 25 2.58 ± 0.412
    7426 25 8.90 ± 0.996
    7427 25 2.97 ± 0.367
    7428 25 3.42 ± 0.369
Average   4.47 ± 1.486
 
Test Chemical 3-Chloro-2-methylpropene
125         
7430 25 3.17 ± 0.469
    7431 25 3.58 ± 0.461
    7432 25 2.94 ± 0.393
    7433 25 3.99 ± 0.547
Average   3.42 ± 0.231
 
Test Chemical 3-Chloro-2-methylpropene
250         
7435 25 2.92 ± 0.372
    7436 25 2.69 ± 0.435
    7438 25 4.77 ± 0.528
    7439 25 4.23 ± 0.492
Average   3.65 ± 0.504
 
Positive Control Dimethylbenzanthracene
2.5       
7460 25 4.33 ± 0.429
    7461 25 8.80 ± 0.676
    7462 25 7.74 ± 0.929
    7463 25 11.01 ± 0.738
Average   7.97 ± 1.391
 

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