CAS Registry Number: Chemical Abstracts Service Registry Number is a unique identifier for a chemical and its synonyms. CAS numbers identify the chemical, but not its concentration or specific mixture. CAS Registry Numbers are assigned by the Chemical Abstracts Service, a division of the American Chemical Society.
A package is a small container in which a quantity of something is sold. Packages are either small boxes made of thin cardboard, or bags or envelopes made of paper or plastic. ...a package of doughnuts. It is listed among the ingredients on the package.
A severance package is pay and benefits an employee receives when he or she leaves employment at a company. In addition to the employee's remaining regular pay, it may include some of the following: 1  An additional payment based on months of service. 2  Payment for unused vacation time or sick leave. 3  A payment in lieu of a required notice period.