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1221793-83-4

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1221793-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221793-83-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,7,9 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1221793-83:
(9*1)+(8*2)+(7*2)+(6*1)+(5*7)+(4*9)+(3*3)+(2*8)+(1*3)=144
144 % 10 = 4
So 1221793-83-4 is a valid CAS Registry Number.

1221793-83-4Downstream Products

1221793-83-4Relevant articles and documents

Photoinduced tandem reactions of isoquinoline-1,3,4-trione with alkynes to build Aza-polycycles

Yu, Haitao,Li, Jinbo,Kou, Zhuangfei,Du, Xuewen,Wei, Yi,Fun, Hoong-Kun,Xu, Jianhua,Zhang, Yan

experimental part, p. 2989 - 3001 (2010/07/13)

Photoinduced tandem reactions of isoquinoline-1,3,4-triones (3) with azaaryl substituted acetylenes (4a-4o) are described as an efficient method to build novel aza-polycycles. Most of the reactions proceeded via the tandem reaction sequence of photoinduce

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