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. 1997 Feb;120(Suppl 1):60–79. doi: 10.1111/j.1476-5381.1997.tb06777.x

Table XII.

Inhibitory concentration of polymethylene bistrimethylammonium salts in mg./100 ml. (parts per 100,000)

Compound Streptococci Staphylococci B. coli
C2 500 >500 >500
C3 500 > 1,000 > 1,000
C4 1,000 > 1,000 > 1,000
C5 500 > 1,000 > 1,000
C6 500 > 1,000 > 1,000
C7 500 > 1,000 > 1,000
C8 750 > 1,000 > 1,000
C9 500 1,000 > 1,000
C10 300,300 1,000 > 1,000
C11 200 200 > 500
C12 150,100 100,200 100,200
C13 50 50 50
C18 0.3 0.8 8