dbu format (cas 51301-55-4) for reliable performance in extreme environments introduction in the world of chemistry, few compounds can claim the versatility and reliability that 1,8-diazabicyclo[5.4.0]undec-7-ene (dbu) offers. with a cas number of 51301-55-4, dbu is a powerful organic base that has found its way into numerous applications, from catalysis to material science. but what...