The CAS Registry Mumber 1279109-93-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,1,0 and 9 respectively; the second part has 2 digits, 9 and 3 respectively. Calculate Digit Verification of CAS Registry Number 1279109-93: (9*1)+(8*2)+(7*7)+(6*9)+(5*1)+(4*0)+(3*9)+(2*9)+(1*3)=181 181 % 10 = 1 So 1279109-93-1 is a valid CAS Registry Number.
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Get Best Price for1279109-93-1Poly[2,6(4,4'bis(ethylhexyl)dithieno[3,2-b:2',3'-d]silole)-alt-(1,3-(5-octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione))]