108906-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108906-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,0 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 108906-56:
(8*1)+(7*0)+(6*8)+(5*9)+(4*0)+(3*6)+(2*5)+(1*6)=135
135 % 10 = 5
So 108906-56-5 is a valid CAS Registry Number.
108906-56-5Relevant articles and documents
Iron-catalyzed enediene carbocyclizations. The total synthesis of (-)-gibboside
Takacs, James M.,Vayalakkada, Suresh,Mehrman, Steven J.,Kingsbury, Celia L.
, p. 8417 - 8420 (2002)
The first total synthesis of (-)-gibboside is reported. The route features a novel iron-catalyzed carbocyclization as the key step for the construction of the cis,trans,cis-tetrasubstituted cyclopentane core.