SILENT SPRING INSTITUTE
Environment and Breast Cancer: Science Review
www.silentspring.org/sciencereview
Environment and Breast Cancer: Science Review
www.silentspring.org/sciencereview
1,3-dibutyl-1-nitrosourea
CAS RN 56654-52-5
CAS RN 56654-52-5
Originating list
Carcinogenicity Potency Database
Carcinogenicity Potency Database
Image from the National Library of Medicine
Associated chemicals
none
none
Major use
Unclassified
Unclassified
Widespread exposure
Less likely
Less likely
Human exposure summary
No information available.
No information available.
Mammary gland tumor summary
Coming soon
Coming soon
International Agency for Research on Cancer evaluation
IARC classification
NA
NA
Evidence in humans
NA
NA
Tumor sites identified in IARC Monographs
NA
NA
Evidence in animals
NA
NA
US EPA cancer classification
NA
NA
National Toxicology Program Study Conclusions
Female rats
NA
NA
Female mice
NA
NA
Male rats
NA
NA
Male mice
NA
NA
Mutagenicity from CPDB
NA-S
NA-S
Mutagenicity from RTECS
Mutagenic
Mutagenic
