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18516-16-0

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18516-16-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18516-16-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,5,1 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 18516-16:
(7*1)+(6*8)+(5*5)+(4*1)+(3*6)+(2*1)+(1*6)=110
110 % 10 = 0
So 18516-16-0 is a valid CAS Registry Number.

18516-16-0Relevant articles and documents

Synthesis of quaternary carbon centers via hydroformylation

Sun,Frimpong,Tan

supporting information; experimental part, p. 11841 - 11843 (2010/11/04)

The application of hydroformylation to the synthesis of quaternary carbon centers is reported. The synthesis of the highly substituted carbon is achieved by applying a catalytic amount of 1. Ligand 1 serves as a catalytic directing group by covalently and reversibly binding to both the substrate and catalyst. The intramolecular nature of the directing group strategy accelerates the hydroformylation reaction such that the reaction is performed at mild temperatures (35-55 °C) and with excellent regioselectivity (b:l > 94:6).

A Novel Synthesis of 14-(Hydroxymethylalkyl) Derivatives of Dibenzoxanthenes and 3,3-Dimethyl-4-(2-hydroxy-1-naphthyl)benzochroman

Sirkecioglu, Okan,Tahnh, Naciye,Akar, Ahmet

, p. 456 - 460 (2007/10/03)

Several reactions of 2-naphthol with 2-alkyl-2-hydroxymethylaldehydes have been investigated.Novel synthesis of 14-(hydroxymethyl)alkyldibenzoxanthenes and 3,3-dimethyl-4-(2-hydroxy-1-naphthyl)benzochroman has been realized.

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