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1092331-89-9

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1092331-89-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1092331-89-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,2,3,3 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1092331-89:
(9*1)+(8*0)+(7*9)+(6*2)+(5*3)+(4*3)+(3*1)+(2*8)+(1*9)=139
139 % 10 = 9
So 1092331-89-9 is a valid CAS Registry Number.

1092331-89-9Upstream product

1092331-89-9Downstream Products

1092331-89-9Relevant articles and documents

Palladium-catalyzed benzo[d]isoxazole synthesis by C-H activation/[4 + 1] annulation

Duan, Pingping,Yang, Yunfang,Ben, Rong,Yan, Yiyong,Dai, Lu,Hong, Mei,Wu, Yun-Dong,Wang, Dongqi,Zhang, Xinhao,Zhao, Jing

, p. 1574 - 1578 (2014)

We report a palladium-catalyzed intermolecular [4 + 1] annulation pathway for N-phenoxyacetamides with aldehydes to form 1,2-benzisoxazoles. By activating the C-H bonds ortho to phenol-derived O-N bonds, the method enables the simultaneous construction of C-C and CN bonds in 1,2-benzisoxazoles with the O-N bonds intact. The method has been successfully applied to the synthesis of active pharmaceutical intermediates, such as risperidone.

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