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1186678-00-1

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1186678-00-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1186678-00-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,6,6,7 and 8 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1186678-00:
(9*1)+(8*1)+(7*8)+(6*6)+(5*6)+(4*7)+(3*8)+(2*0)+(1*0)=191
191 % 10 = 1
So 1186678-00-1 is a valid CAS Registry Number.

1186678-00-1Downstream Products

1186678-00-1Relevant articles and documents

Synthesis of 1,3-Diaryl-2-methoxyindenes by hydriodic acid-catalyzed cyclization of Aryl[2-(1-aryl-2-methoxyvinyl)phenyl]methanols

Kobayashi, Kazuhiro,Shirai, Yuu,Nagaoka, Toshiyuki,Konishi, Hisatoshi

, p. 2866 - 2881 (2009)

An efficient two-step method for the synthesis of 1,3-diaryl-2- methoxyindenes from 1-(1-aryl-2-methoxyvinyl)-2-bromobenzenes has been developed. Thus, the reaction of 2-(1-aryl-2-methoxyvinyl)phenyllithiums, generated in situ by halogen-lithium exchange between 1-(1-aryl-2-methoxyvinyl)- 2-bromobenzenes and butyllithium, with aromatic aldehydes gives aryl[2-(1-aryl-2-methoxyvinyl)phenyl]methanols, which in turn are treated with a catalytic amount of concentrated hydriodic acid to afford the corresponding 1,3-diaryl-2-methoxyindenes in reasonable yields.

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