structural formula business number 02bb molecular formula c5h7n molecular weight 81.12 label 1-methylpyrrole, 1-methylpyrrol 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:96-54-8 mdl number:mfcd00005345 einecs number:202-513-7 rtecs number:ux9640000 brn number:104181 pubchem number:24902047 physical property data...