CAS DataBase Reference: Benzene, diethenyl-, polymer with ethenylbenzene and ethenylethylbenzene, chloromethylated, N,N-dibutyl-1-butanamine-quaternized(CAS DataBase Reference)
NIST Chemistry Reference: Benzene, diethenyl-, polymer with ethenylbenzene and ethenylethylbenzene, chloromethylated, N,N-dibutyl-1-butanamine-quaternized(116565-72-1)
EPA Substance Registry System: Benzene, diethenyl-, polymer with ethenylbenzene and ethenylethylbenzene, chloromethylated, N,N-dibutyl-1-butanamine-quaternized(116565-72-1)
The CAS Registry Mumber 116565-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,5,6 and 5 respectively; the second part has 2 digits, 7 and 2 respectively. Calculate Digit Verification of CAS Registry Number 116565-72: (8*1)+(7*1)+(6*6)+(5*5)+(4*6)+(3*5)+(2*7)+(1*2)=131 131 % 10 = 1 So 116565-72-1 is a valid CAS Registry Number.
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