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111819-73-9

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111819-73-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111819-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,8,1 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 111819-73:
(8*1)+(7*1)+(6*1)+(5*8)+(4*1)+(3*9)+(2*7)+(1*3)=109
109 % 10 = 9
So 111819-73-9 is a valid CAS Registry Number.

111819-73-9Downstream Products

111819-73-9Relevant articles and documents

A New Method of Formation of 9-Azabicyclononane Skeleton and Its Application to Synthesis of (+/-)-Anatoxin a

Shono, Tatsuya,Matsumura, Yoshihiro,Uchida, Kenshi,Tagami, Katsumi

, p. 919 - 922 (2007/10/02)

9-Azabicyclo-nonane skeleton was formed in one step by Lewis acid promoted reaction between 1-methoxycarbonyl-2,5-dimethoxypyrrolidine and 1-ethoxy-1-trimethylsiloxy-1,4-pentadiene, and it was converted to (+/-)-anatoxin a.

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