Substance type：

Substance type
Substance type classified into 3 categories.
Decided structure: Substances with a clear structure
Undicided Structure: Substances with unknown or undetermined structure
Mixtures: Mixtures, racemic compounds, or compounds with relative structural arrangements

Undecided structure
Molecular formula： O₂
Molecular formula furigana： O2
Molecular weight： 31.998
Other name (6)：
CAS registry number： 7782-44-7
Regulation number (3)：
Thsaurus map：

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