On Tue, 18 Feb 1997 10:25:05 -0800, clive.bramham at pki.uib.no wrote:
>>Can anyone point us to a reliable source of urethane for use in rats.
>Powdered form preferable. We have been getting it from Sigma in the
>past but they seem to be closing down their supply.
You might try Chemsyn, which I believe is located in Lenexa, Kansas,
U.S.A. I seem to recall that they have many unusual compounds,
especially carcinogens. Perhaps they have a presence on the www.