134339-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134339-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,3,3 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 134339-52:
(8*1)+(7*3)+(6*4)+(5*3)+(4*3)+(3*9)+(2*5)+(1*2)=119
119 % 10 = 9
So 134339-52-9 is a valid CAS Registry Number.
134339-52-9Relevant academic research and scientific papers
Synthesis of 8,10-dimethoxy-6-phenyl-5,6-dihydro-7H-benzoxanthene-7-one
Parthasarathy, M R,Grover, Neeraj
, p. 440 - 441 (2007/10/02)
8,10-Dimethoxy-6-phenyl-5,6-dihydro-7H-benzoxanthene-7-one VI, has been obtained by the photocyclisation of 5,7-dimethoxy-2'-styrylflavone (V).
