13554-78-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13554-78-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,5 and 4 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13554-78:
(7*1)+(6*3)+(5*5)+(4*5)+(3*4)+(2*7)+(1*8)=104
104 % 10 = 4
So 13554-78-4 is a valid CAS Registry Number.
13554-78-4Relevant articles and documents
Total synthesis of the phenalenone diterpene salvilenone
Danheiser, Rick L.,Helgason, Anna L.
, p. 9471 - 9479 (1994)
The application of a photochemical aromatic annulation strategy in a highly efficient total synthesis of the phenalenone diterpene salvilenone is reported. The pivotal step in the synthesis involves the assembly of the key dihydrophenalene 29 in one step