344743-36-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344743-36-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,7,4 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 344743-36:
(8*3)+(7*4)+(6*4)+(5*7)+(4*4)+(3*3)+(2*3)+(1*6)=148
148 % 10 = 8
So 344743-36-8 is a valid CAS Registry Number.
344743-36-8Relevant articles and documents
Synthesis of Diphenyl-substituted Flavonoid Compounds on Both Benzene Rings
Matsumura, Hisashi,Tsuchiya, Toshio,Imafuku, Kimiaki
, p. 3519 - 3520 (2007/10/02)
Condensation of o-hydroxyacetophenone and its 3- and 5-phenyl-substituted compounds with 2- or 4-methoxy-biphenyl-3-carbaldehyde gave six mono- and diphenyl-substituted 2'-hydroxychalcones (5a-f), which were cyclized with alkali to afford the flavonones.T
