Definition of CAS

1. Chicago Academy of Science2. Chemical Abstracts Service (which assigns CAS Numbers to chemicals)Definition for  cascade process : the procedure for increasing the strength of a weak signal by the progressive build-up of electron displacement in a series of dynode plates in a photomultiplier. Definition for  Cascade prodrug :A cascade prodrug is a prodrug for which the cleavage of the carrier group becomes effective only after unmasking an activating group.Definition for  CASSCRF : complete active space multiconfiguration self-consistent field;  something that is incorporated into very complete ab initio molecular dynamics calculations.


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