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The CAS number is 7440-21-3
7440-36-0 is the CAS number of antimony.
The CAS registry number of iron (Fe) is 7439-89-6
The CAS registry number is: 6834-92-0
PO22-
They contain different amounts of oxygen. Plumbite is PbO22- and PbO32- -
The CAS number is 7440-21-3
Only chemical compounds have a CAS number.
7440-36-0 is the CAS number of antimony.
CAS is the acronym of Chemical Abstracts Service; CAS Registry Number is a digital system for the identification of chemical compounds.
The CAS registry number is: 1310-73-2