NEISSERS STAIN A Methylene Blue
N BUTYRIC ACID 99% FOR SYNTHESIS
N BUTYLAMINE AR
N BUTYLAMINE LR 98%
N BUTYL ACETATE LR 99%
N BUTANOL 99% for synthesis Butan-1-ol
N BUTYL ACETATE AR 99.5%
N BUTANOL FOR HPLC & SPECTOSCOPY
N BUTANOL AR 99.5%
N BROMOSUCCINIMIDE