99268-87-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99268-87-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,2,6 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99268-87:
(7*9)+(6*9)+(5*2)+(4*6)+(3*8)+(2*8)+(1*7)=198
198 % 10 = 8
So 99268-87-8 is a valid CAS Registry Number.
99268-87-8Relevant articles and documents
3-Cuprio-2-pyrone: An Extraordinary Organocopper Reagent
Posner, Gary H.,Harrison, Wayne,Wettlaufer, David G.
, p. 5041 - 5044 (2007/10/02)
3-Cuprio-2-pyrone (1) was prepared via Scheme I and was treated with a very wide variety of typically SN2- and SN1-reactive substrates as well as with typical acyl electrophiles.The only substrates that reacted via pyrone transfer we
