Active ingredient: Warfarin

Other name: 'Sakarat X' (Killgerm); mixtures: 'Cumix' (+ sulfaquinoxaline) (Kemio)

Formulation:

Warfarin 2.5% original powder ;

Warfarin 0.025% poisonous bait;

Warfarin 8% SL

IUPAC name: (RS)-4-hydroxy-3-(3-oxo-1-phenylbutyl)coumarin; 3-(acetonylbenzyl)-4-hydroxycoumarin 

CAS No.: [81-81-2] unstated stereochemistry; [5543-58-8] (R)-(+)- isomer; [5543-57-7] (S)-(-)- isomer 

Molecular weight: 308.3

Molecular formula: C₁₉H₁₆O₄

Structural formula:  

Mode of action: Anticoagulant rodenticide. Repeated ingestion is necessary to produce toxic symptoms. The (S)-(-)- isomer has 7-fold greater rodenticidal activity than the (R)-(+)- isomer (B. D. West et al., J. Am. Chem. Soc., 1961, 83,2676).

Uses: Control of rats and mice. There is no tendency to bait-shyness.