117632-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117632-98-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,3 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117632-98:
(8*1)+(7*1)+(6*7)+(5*6)+(4*3)+(3*2)+(2*9)+(1*8)=131
131 % 10 = 1
So 117632-98-1 is a valid CAS Registry Number.
117632-98-1Relevant articles and documents
Formation and Reactions of 1-Lithiobicyclopentane
Wiberg, Kenneth B.,Waddell, Sherman T.
, p. 289 - 292 (1988)
Bicyclopentyllithium was prepared in two steps from the readily available propellane and proved to be a versatile intermediate in the preparation of a wide variety of 1-substituted bicyclopentanes.