The CAS Registry Mumber 162558-88-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,5,5 and 8 respectively; the second part has 2 digits, 8 and 8 respectively. Calculate Digit Verification of CAS Registry Number 162558-88: (8*1)+(7*6)+(6*2)+(5*5)+(4*5)+(3*8)+(2*8)+(1*8)=155 155 % 10 = 5 So 162558-88-5 is a valid CAS Registry Number.
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Get Best Price for162558-88-52-Butenoic acid,2-methyl-,(2'R,3'R,4R,6'S,7S)-7-(acetyloxy)-3',4,4',5',6,6',7,8-octahydro-3'-hydroxy-6',7-dimethyl-6,8-dioxospiro[3H-2-benzopyran-3,2'-[2H]pyran]-4-ylester, (2E)-