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460053-59-2

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460053-59-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 460053-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,6,0,0,5 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 460053-59:
(8*4)+(7*6)+(6*0)+(5*0)+(4*5)+(3*3)+(2*5)+(1*9)=122
122 % 10 = 2
So 460053-59-2 is a valid CAS Registry Number.

460053-59-2Downstream Products

460053-59-2Relevant articles and documents

An effective procedure for the preparation of 3-substituted-4- or 6-azaindoles from ortho-methyl nitro pyridines

Zhu, Juliang,Wong, Henry,Zhang, Zhongxing,Yin, Zhiwei,Meanwell, Nicholas A.,Kadow, John F.,Wang, Tao

, p. 5653 - 5656 (2007/10/03)

3-Substituted-4- and 6-azaindoles were prepared from ortho-methyl-nitropyridines in a practically convenient, one-pot process based on the Leimgruber-Batcho reaction. The procedure comprises a sequence of (a) condensation of an ortho-methyl-nitropyridine with N,N-dimethylformamide dimethyl acetal; (b) alkylation or acylation of the enamine intermediate; (c) reduction of the nitro group to an aniline with in situ cyclization and elimination of dimethylamine to generate the 3-substituted azaindole heterocycle.

An effective procedure for the acylation of azaindoles at C-3

Zhang, Zhongxing,Yang, Zhong,Wong, Henry,Zhu, Juliang,Meanwell, Nicholas A.,Kadow, John F.,Wang, Tao

, p. 6226 - 6227 (2007/10/03)

Conditions for attachment of acetyl chloride, benzoyl chloride, and chloromethyl oxalate to the 3-position of 4-, 5-, 6-, or 7-azaindoles were explored. Best results were achieved with an excess of AlCl3 in CH2Cl2 followed

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