94224-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94224-73-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,2 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 94224-73:
(7*9)+(6*4)+(5*2)+(4*2)+(3*4)+(2*7)+(1*3)=134
134 % 10 = 4
So 94224-73-4 is a valid CAS Registry Number.
94224-73-4Relevant academic research and scientific papers
UNE SYNTHESE ORIGINALE ET INATTENDUE D'ISOCOUMARINES FONCTIONNELLES
Babin, P.,Dunogues, J.
, p. 4389 - 4392 (2007/10/02)
Reaction of Ph3P=CH-COOEt with ortho benzoyl benzoic acid derivates offers an easy and surprising entry to functional isocoumarins via the thermal decomposition of the keto-ylide intermediates or by subsequent oxidation of the expected indenones.
