1951-12-8 3-CHLOROBUTYRIC ACID 3-Chlorobutanoic acid 4-02-00-00823 (Beilstein Handbook Reference) 625-68-3 BRN 1720571 Butanoic acid, 3-chloro- Butyric acid, 3-chloro- EINECS 217-771-6 NSC 404459 beta-Chlorobutyric acid