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183173-46-8

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183173-46-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183173-46-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,1,7 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 183173-46:
(8*1)+(7*8)+(6*3)+(5*1)+(4*7)+(3*3)+(2*4)+(1*6)=138
138 % 10 = 8
So 183173-46-8 is a valid CAS Registry Number.

183173-46-8Relevant articles and documents

A synthesis of functionalized indoline 2,2-biscarboxylates

Wright, Stephen W.,Dow, Robert L.,McClure, Lester D.,Hageman, David L.

, p. 6965 - 6968 (2007/10/03)

A synthetic approach to a structurally novel series of indoline 2,2-biscarboxylates is described that employs a tandem bis-alkylation strategy to cyclize the indoline heteroring from the bromide 7 and diethyl bromomalonate. The indolines thus prepared may be N-deprotected and further functionalized on the indoline nitrogen.

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