138565-17-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138565-17-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,6 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138565-17:
(8*1)+(7*3)+(6*8)+(5*5)+(4*6)+(3*5)+(2*1)+(1*7)=150
150 % 10 = 0
So 138565-17-0 is a valid CAS Registry Number.
138565-17-0Relevant academic research and scientific papers
New route to styrylchromones via [1-(2-hydroxybenzoyl)alkylidene]triphenylphosphoranes
Zammattio,Brion,Le Baut,Ducrey
, p. 375 - 376 (2007/10/02)
Several [1-(2-hydroxybenzoyl)alkylidene]triphenylphosphoranes have been obtained in good yields through acylation of the corresponding alkylidenetriphenylphosphoranes, prepared in situ, by the easily available methyl 2-hydroxybenzoates. These ylides prove