National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/nm-n86001

Nomination Summary for Treosulphan (N86001)

Treosulphan

Specific Substances: Treosulfan

Nomination Date: 10/00/1985

Nominator: Private Individual

Rationale: Human Carcinogen. Conduct study to investigate the association between epidemiological results of chemicals and experimental data from animal studies. Echimidine, a pyrrolizidine alkaloid, is suspect as a carcinogen. Echimidine has been shown to be mutagenic in Drosophila and only slightly mutagenic in Salmonella. Several Pyrrolizidine alkaloids have been shown to be carcinogenic in rats and like the other hepatotoxic Pyrrolizidine alkaloids, Echimidine is metabolized in the liver. This alkaloid is present in herbs and honey, both of which are consumed on a substantial scale in Australia and some other countries. Echimidine is one of the most significant pyrrolizidine alkaloids from the point of view of continued low-level exposure of large populations in several countries of high living standards.

NTP Principles: not specified

Status: No Testing


Agents and Status

The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.

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CASRN: 299-75-2

Agent Name: Treosulfan

NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.