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374541-52-3

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374541-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 374541-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,4,5,4 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 374541-52:
(8*3)+(7*7)+(6*4)+(5*5)+(4*4)+(3*1)+(2*5)+(1*2)=153
153 % 10 = 3
So 374541-52-3 is a valid CAS Registry Number.

374541-52-3Relevant 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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