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97839-61-7

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97839-61-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97839-61-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,8,3 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97839-61:
(7*9)+(6*7)+(5*8)+(4*3)+(3*9)+(2*6)+(1*1)=197
197 % 10 = 7
So 97839-61-7 is a valid CAS Registry Number.

97839-61-7Downstream Products

97839-61-7Relevant articles and documents

DECOMPOSITION ACIDO-CATALYSEE D'AZIDES TERTIAIRES BENZOCYCLOBUTENIQUES. NOUVELLE METHODE DE SYNTHESE DU NOYAU INDOLIQUE PAR EXTENSION DU CYCLE

Adam, G.,Andrieux, J.,Plat, M

, p. 399 - 408 (2007/10/02)

Treatment of benzocyclobutenols substituted on the functional carbon by the HN3/BF3-Et2O reagent allows the synthesis to the corresponding tertiary azides.The latter by acid-catalysed breakdown, lead to 2-substituted indoles.A similar result is obtained by treating directly the alcohols with hydrazoic acid and concentrated sulfuric acid.This new route to indole nucleus is also extended to the synthesis of policyclic indoles.

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