structural formula business number 02al molecular formula c5h10o molecular weight 86.13 label 2-formylbutane, a-methylbutyraldehyde, 2-methylbutanal, 2-formylbutane numbering system physical property data toxicological data ecological data molecular structure data computing chemical data more properties and stability storage method synthesis method purpose numbering system cas number:96-17-3 mdl number:mfcd00006984 einecs number:202-485-6 rtecs number:es3400000 brn number:1633540 pubchem number:24896832 physical...