209725-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209725-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,7,2 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 209725-89:
(8*2)+(7*0)+(6*9)+(5*7)+(4*2)+(3*5)+(2*8)+(1*9)=153
153 % 10 = 3
So 209725-89-3 is a valid CAS Registry Number.
209725-89-3Relevant academic research and scientific papers
A convenient synthesis of 1-phenyl-heptane-1,5-dione
Hassarajani, S. A.,Dhotare, B.,Chattopadhyay, A.,Mamdapur, V. R.
, p. 80 - 81 (2007/10/03)
An efficient synthesis of the title compound 9 has been developed via Friedel-Craft acylation of benzene and subsequent manipulation of the functionalities of the condensation product 3 for generation of the required 1,5-dione moiety.
