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90843-51-9

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90843-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90843-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,4 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90843-51:
(7*9)+(6*0)+(5*8)+(4*4)+(3*3)+(2*5)+(1*1)=139
139 % 10 = 9
So 90843-51-9 is a valid CAS Registry Number.

90843-51-9Relevant articles and documents

Switchable C-H Functionalization of N-Tosyl Acrylamides with Acryloylsilanes

Song, Shengjin,Lu, Ping,Liu, Huan,Cai, Sai-Hu,Feng, Chao,Loh, Teck-Peng

, p. 2869 - 2872 (2017/06/13)

A controllable Rh-catalyzed protocol to access alkylation and alkenylation-annulation of N-tosyl acrylamide with acryloyl silane is reported. In contrast to the directing group or catalyst-dependent divergent sp2 C-H alkylation/alkenylation, the intrinsic property of acryloylsilane allows the switchable reaction manifold, thereby affording either alkylation or annulation products with slight modification of the reaction conditions.

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