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873984-49-7

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873984-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 873984-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,8 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 873984-49:
(8*8)+(7*7)+(6*3)+(5*9)+(4*8)+(3*4)+(2*4)+(1*9)=237
237 % 10 = 7
So 873984-49-7 is a valid CAS Registry Number.

873984-49-7Relevant articles and documents

Simple route to 3-(2-indolyl)-1-propanones via a furan recyclization reaction

Butin, Alexander V.,Smirnov, Sergey K.,Stroganova, Tatyana A.,Bender, Wolfgang,Krapivin, Gennady D.

, p. 474 - 491 (2007/10/03)

A simple route to 1-R-3-(2-indolyl)-1-propanones has been elaborated based on recyclization of 2-(2-aminobenzyl)furan derivatives. Being a modification of the Reissert indole synthesis, our approach employs the furan ring as a source of carbonyl function. This approach is general and allows varying of substituents in aromatic ring as well as in 3-position of indole nucleus.

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