2019-25-2

Chlorazanil,Shanghai

31.2 g (4-chlorophenyl)biguanidine hydrochloride and 35 ml of concentrated formic acid were refluxed for 4 hours. The hot solution was cooled and mixed with 200 ml of diluted hydrochloric acid. The falling crystals were filtered off. The yield of chlorazanil was 24 g (74%). MP 258°C.
tice it is usually used as hydrochloride.

Diuretic

Store at -20°C