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13617-62-4

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13617-62-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13617-62-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,1 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13617-62:
(7*1)+(6*3)+(5*6)+(4*1)+(3*7)+(2*6)+(1*2)=94
94 % 10 = 4
So 13617-62-4 is a valid CAS Registry Number.

13617-62-4Upstream product

13617-62-4Relevant articles and documents

Synthesis of Substituted Indoles via Meerwein Arylation

Raucher, Stanley,Koolpe, Gary A.

, p. 2066 - 2069 (2007/10/02)

A new method for the synthesis of substituted indoles is detailed.Meerwein arylation of 4- and 6-substituted 2-nitrobenzenediazonium chlorides with vinyl acetate or vinyl bromide and subsequent reductive cyclization of the resulting adducts affords the corresponding 6- and 4-substituted (CH3, OCH3, Cl, Br, CF3) indoles.The diazonium bisulfates of weakly basic 2-nitroanilines (4-Cl, 6-Br, 4-CF3) gave higher yields of Meerwein arylation adducts than the corresponding diazonium chlorides.Coupling of 2-nitrobenzenediazonium chloride with 2-acetoxy-1-alkenes followed byreductive cyclization affords 2-alkylindoles.

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