The CAS Registry Mumber 67383-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,3,8 and 3 respectively; the second part has 2 digits, 5 and 4 respectively. Calculate Digit Verification of CAS Registry Number 67383-54: (7*6)+(6*7)+(5*3)+(4*8)+(3*3)+(2*5)+(1*4)=154 154 % 10 = 4 So 67383-54-4 is a valid CAS Registry Number.
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Get Best Price for67383-54-4Phosphorous acid, P,P'-[oxybis(methyl-2,1-ethanediyl)] P,P'-bis(hexamethyl-7,15, 23,23-tetraphenoxy-3,6,8,11,14,16,19,22-octaoxa-7 ,15,23-triphosphatricos-1-yl) P,P'-diphenyl ester