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In this talk I would outline some of the basic knowledge we have gleaned
regarding the coupled effects of chemistry on star formation. Key areas
that will be highlighted are the basic chemical processes that are operative
and how they respond to the changes in the physical conditions. In this light
we will discuss which molecules may be used as signposts to trace physical
phenomena such as core condensation, variable accretion and, potentially,
the young forming disk. We will end with a discussion of the chemical
composition of material, created in the dense interstellar medium,
that is provided to the planet forming disk and may be incorporated into
icy planetesimals and planetary systems. Here our focus will be on what
tracers might be used to probe the general chemical evolution associated with
stellar birth and planet formation.
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