Aldrich & Sigma

Kimo B. Yap (
Mon, 06 Feb 1995 17:13:19 -0800

For what it's worth Aldrich and Sigma are different parts of the
same company. They sell specialty chemicals. They're the usual place
you go to if you're doing chemical research in a lab. On the other
hand, their stuff is not normally mean for pharmaceutical uses (except
basic research) and they do have varying grades of stuff. Their
cataloges are each about 4-5 inches thick (and about maybe 6x8. If you
want to see one, go to any nearby research university's chemistry