1575-61-7 4-02-00-00881 (Beilstein Handbook Reference) 5-Chloropentanoyl chloride 5-Chlorovaleryl chloride BRN 1745182 EINECS 216-403-1 NSC 84182 Pentanoyl chloride, 5-chloro- Pentanoyl chloride, 5-chloro- (9CI) Valeryl chloride, 5-chloro-