Free release

87980-33-4 benzenesulfonic acid,4-[4-[[4-(dimethylamino)phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo

service@apichina.com
Product Name Benzenesulfonic acid,4-[4-[[4-(dimethylamino)phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-, compd. with pyridine (1:1)
CAS No. 87980-33-4
Molecular Formula C19H19N3O4S・C5H5N