According to the Chemical Abstracts Service web site (http://www.cas.org/content/chemical-substances), CAS REGISTRY (SM) contains more than 90 million unique organic and inorganic chemical substances, such as alloys, coordination compounds, minerals, mixtures, polymers and salts, and more than 65 million sequences—more than any other database of its kind. It includes substances reported in the literature back to the early 1800s, and is updated daily with about 15,000 substances.

The CAS registry does not include substances yet to be thought of or discovered. It does indeed include your five examples.

This is about as close to an answer as I can think of.

According to the Chemical Abstracts Service, CAS REGISTRY (SM) contains more than 90 million unique organic and inorganic chemical substances, such as alloys, coordination compounds, minerals, mixtures, polymers and salts, and more than 65 million sequences—more than any other database of its kind. It includes substances reported in the literature back to the early 1800s, and is updated daily with about 15,000 substances.

The CAS registry does not include substances yet to be thought of or discovered. It does indeed include your five examples.

This is about as close to an answer as I can think of.