2,3,4,5-Chlorothiophene 2,3,4,5-TETRACHLOROTHIOPHENE 5-17-01-00305 (Beilstein Handbook Reference) 6012-97-1 AI3-25764 BRN 0118374 CP 30487 Caswell No. 834 EINECS 227-866-4 ENT 25,764 EPA Pesticide Chemical Code 074701 IF IF (Fumigant) IF (VAN) IF (fumigant) (VAN) NSC 44615 NSC 61442 Pemphene Penn salt td-183 Penphene Perchlorothiophene TCTP TD-183 Tetrachlorothiofene Tetrachlorothiophene Tetrachlorthiofen [Czech] Thiophene, 2,3,4,5-tetrachloro- Thiophene, tetrachloro-