The CAS Registry Mumber 82079-96-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,0,7 and 9 respectively; the second part has 2 digits, 9 and 6 respectively. Calculate Digit Verification of CAS Registry Number 82079-96: (7*8)+(6*2)+(5*0)+(4*7)+(3*9)+(2*9)+(1*6)=147 147 % 10 = 7 So 82079-96-7 is a valid CAS Registry Number.
Total synthesis of optically active steroids. XIX. Isomerization of acceptor-substituted estratrienes
Sauer,Eder,Haffer,et al.
, p. 448 - 458 (2007/10/02)
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