The CAS Registry Mumber 167093-49-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,0,9 and 3 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 167093-49: (8*1)+(7*6)+(6*7)+(5*0)+(4*9)+(3*3)+(2*4)+(1*9)=154 154 % 10 = 4 So 167093-49-4 is a valid CAS Registry Number.
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Get Best Price for167093-49-4Pyrrolo[3,4-c]pyrrole-2(1H)-carboxylic acid,
4,5-dihydro-1,4-dioxo-3,6-diphenyl-, 1,1-dimethylethyl ester