Synonyms: [2,2'-Bi-4H-1-benzopyran]-4,4'-dione,2,2',3,3'-tetrahydro-5,5'-dihydroxy-3-(4-hydroxyphenyl)-7,7'-dimethoxy-3'-(4-methoxyphenyl)-,[2a(2'R*,3'S*),3b]-; Hexaspermone C
The CAS Registry Mumber 155969-79-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,9,6 and 9 respectively; the second part has 2 digits, 7 and 9 respectively. Calculate Digit Verification of CAS Registry Number 155969-79: (8*1)+(7*5)+(6*5)+(5*9)+(4*6)+(3*9)+(2*7)+(1*9)=192 192 % 10 = 2 So 155969-79-2 is a valid CAS Registry Number.
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