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909266-29-1

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909266-29-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 909266-29-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,2,6 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 909266-29:
(8*9)+(7*0)+(6*9)+(5*2)+(4*6)+(3*6)+(2*2)+(1*9)=191
191 % 10 = 1
So 909266-29-1 is a valid CAS Registry Number.

909266-29-1Relevant articles and documents

Synthesis of 2-aryl- and 2-hetaryl-4-6-dinitroindoles from 2,4,6- trinitrotoluene

Rozhkov, Vladimir V.,Kuvshinov, Alexander M.,Gulevskaya, Valentina I.,Chervin, Ivan I.,Shevelev, Svyatoslav A.

, p. 2065 - 2070 (2007/10/03)

A general preparative method for the synthesis of the previously unknown substituted indoles 2-aryl- and 2-hetaryl-4,6-dinitroindoles from 2,4,6- trinitrotoluene (TNT) has been elaborated. The presented procedure involves condensation of TNT with aromatic and heteroaromatic aldehydes to give the corresponding (E)-stilbenes 1(a-k) and their heterocyclic analogues followed by regiospecific nucleophilic susbtitution of the ortho-nitro group in 1(a-k) with the azido group under the action of NaN3. The thermolysis of the azides 2)a-k) leads to 2-aryl- or 2-hetaryl-4,6-dinitroindoles 3(a-k).

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