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Study Information
Study Attribute Value
CEBS Accession Number: 002-01824-0012-0000-0
Chemical Name: Caprolactam
CASRN: 105-60-2
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: 201538_CA
Study Result: Negative (Nonstandard Protocol)

Test Type Start Date Sample Time (h) Species Sex Tissue Protocol Trend Test P
CA 03/20/84 17 Mouse Male Bone Marrow Intraperitoneal Injection x 1/study, 17 hour 0.1541
Test Group Dose
(mg/kg)		 n Percent Cells w/ Aberrations
(Mean ± SEM)		 Pairwise P
Test Chemical Caprolactam 
175         
 8 1.25 ± 0.65 0.9351
  
350         
 8 3.50 ± 1.05 0.2711
  
700         
 8 3.25 ± 0.84 0.3392
Vehicle Control No Stressor 
 0         
 8 2.75 ± 0.92 0.0000


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