502613-92-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502613-92-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,6,1 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 502613-92:
(8*5)+(7*0)+(6*2)+(5*6)+(4*1)+(3*3)+(2*9)+(1*2)=115
115 % 10 = 5
So 502613-92-5 is a valid CAS Registry Number.
502613-92-5Relevant articles and documents
Total synthesis of (-)-21-isopentenylpaxilline.
Smith 3rd., Amos B,Cui, Haifeng
, p. 587 - 590 (2007/10/03)
[structure: see text] The total synthesis of (-)-21-isopentenylpaxilline (1) has been achieved. Key elements of the synthesis include the stereocontrolled construction of the advanced eastern hemisphere (-)-5, a highly efficient union of the eastern and w