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68674-48-6

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68674-48-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68674-48-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,6,7 and 4 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 68674-48:
(7*6)+(6*8)+(5*6)+(4*7)+(3*4)+(2*4)+(1*8)=176
176 % 10 = 6
So 68674-48-6 is a valid CAS Registry Number.

68674-48-6Relevant articles and documents

Zn(OTf)2-catalyzed cyclization of proparyl alcohols with anilines, phenols, and amides for synthesis of indoles, benzofurans, and oxazoles through different annulation mechanisms

Kumar, Manyam Praveen,Liu, Rai-Shung

, p. 4951 - 4955 (2007/10/03)

Zn(OTf)2 (10 mol %) catalyzed the cyclization of propargyl alcohols with PhXH (X = O, NH) in hot toluene (100 °C) without additive and gave indole and benzofuran products with different structures. In such transformations, α-carbonyl intermedia

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