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1557294-71-9

1557294-71-9

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1557294-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1557294-71-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,7,2,9 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1557294-71:
(9*1)+(8*5)+(7*5)+(6*7)+(5*2)+(4*9)+(3*4)+(2*7)+(1*1)=199
199 % 10 = 9
So 1557294-71-9 is a valid CAS Registry Number.

1557294-71-9Downstream Products

1557294-71-9Relevant articles and documents

Highly stereoselective generation of complex oxy -bicyclic scaffolds via an atom-economic Pd(II)-catalyzed hydroalkynylation, isomerization and diels-alder cycloaddition sequence

Shen, Ruwei,Chen, Ke,Deng, Qiulin,Yang, Jianjun,Zhang, Lixiong

supporting information, p. 1208 - 1211 (2014/03/21)

An atom-economic tandem Pd(II)-catalyzed hydroalkynylation, alkyne-allene isomerization, and Diels-Alder cycloaddition is reported. The reaction employs readily available starting substrates, proceeds in a highly ordered fashion, features high regio- and

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