123743-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123743-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,4 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123743-05:
(8*1)+(7*2)+(6*3)+(5*7)+(4*4)+(3*3)+(2*0)+(1*5)=105
105 % 10 = 5
So 123743-05-5 is a valid CAS Registry Number.
123743-05-5Relevant academic research and scientific papers
Isoflavanone-enol acetates
Mohanty, Smita,Grover, S. K.
, p. 75 (2007/10/02)
Isoflavanones, having a phloroglucinol oxygenation pattern in ring-A, on treatment with chlorotrimethylsilane in acetic anhydride at 80-85 deg C give the corresponding enol acetates in excellent yields.