The CAS Registry Mumber 667904-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,9,0 and 4 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 667904-44: (8*6)+(7*6)+(6*7)+(5*9)+(4*0)+(3*4)+(2*4)+(1*4)=201 201 % 10 = 1 So 667904-44-1 is a valid CAS Registry Number.
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Get Best Price for667904-44-1ethyl {5-chloro-2-methoxy-4-[10-(4-methylphenyl)-1,8-dioxo-1,2,3,4,5,6,7,8,9,10-decahydroacridin-9-yl]phenoxy}acetate