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223-09-6

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223-09-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 223-09-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,2 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 223-09:
(5*2)+(4*2)+(3*3)+(2*0)+(1*9)=36
36 % 10 = 6
So 223-09-6 is a valid CAS Registry Number.

223-09-6Downstream Products

223-09-6Relevant articles and documents

Iron/acetic acid mediated synthesis of 6,7-dihydrodibenzo[b,j][1,7]phenanthroline derivatives via intramolecular reductive cyclization

Rajawinslin,Ichake, Sachin S.,Kavala, Veerababurao,Gawande, Sachin D.,Huang, Yi-Hsiang,Kuo, Chun-Wei,Yao, Ching-Fa

, p. 52141 - 52153 (2015)

An efficient iron/acetic acid mediated intramolecular reductive cyclization protocol for the synthesis of novel 6,7-dihydrodibenzo[b,j][1,7]phenanthroline derivatives is described. In this two-step procedure, aldol addition and reductive cyclization methods are effectively utilized for the construction of C-C and C-N bonds. This highly efficient process proceeds under mild conditions, tolerates different functional groups, and provides various substituted 6,7-dihydrodibenzo[b,j][1,7]phenanthroline derivatives in good to excellent yields. In addition, various synthetic utilities of these derivatives are also described.

Facile synthesis of acridine derivatives by ZnCl2-promoted intramolecular cyclization of o -arylaminophenyl schiff bases

Su, Qing,Li, Pei,He, Mina,Wu, Qiaolin,Ye, Ling,Mu, Ying

supporting information, p. 18 - 21 (2014/01/23)

A concise and efficient method for the synthesis of a wide range of acridine derivatives and polycyclic aza-aromatic compounds from a ZnCl 2-promoted cyclization reaction of readily available o-arylaminophenyl Schiff base compounds under convenient conditions was developed. Reaction conditions and scope of the new method were examined in detail.

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