2542-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2542-87-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,4 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2542-87:
(6*2)+(5*5)+(4*4)+(3*2)+(2*8)+(1*7)=82
82 % 10 = 2
So 2542-87-2 is a valid CAS Registry Number.
2542-87-2Relevant articles and documents
Total Syntheses of (+/-)-Seychellene and (+/-)-Cycloseychellene
Welch, Steven C.,Gruber, John M.,Morrison, Paul A.
, p. 2676 - 2681 (1985)
Total syntheses of (+/-)-seychellene (1) and (+/-)-cycloseychellene (2) are presented.The key step in these syntheses is the construction of tricyclic alcohols 13 by concomitant oxidative cyclization of diol 12.
