119980-68-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119980-68-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,9,8 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 119980-68:
(8*1)+(7*1)+(6*9)+(5*9)+(4*8)+(3*0)+(2*6)+(1*8)=166
166 % 10 = 6
So 119980-68-6 is a valid CAS Registry Number.
119980-68-6Relevant articles and documents
Purines. VII. Hydration and Methoxylation of Alkynyl-9H-purines
Tanji, Ken-Ichi,Higashino, Takeo
, p. 1935 - 1941 (2007/10/02)
Coupling of 6- and 2-halo-9-phenyl-9H-purines (1, 2, and 5) with terminal acetylenes in dimethylformamide (DMF) was well catalyzed by bis(triphenylphosphino)palladium chloride to give the corresponding alkynyl-9-phenyl-9H-purines (3 and 4).
