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1591873-40-3

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1591873-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1591873-40-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,9,1,8,7 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1591873-40:
(9*1)+(8*5)+(7*9)+(6*1)+(5*8)+(4*7)+(3*3)+(2*4)+(1*0)=203
203 % 10 = 3
So 1591873-40-3 is a valid CAS Registry Number.

1591873-40-3Downstream Products

1591873-40-3Relevant articles and documents

Efficient synthesis of functionalized Benzo[ b ][1,8]naphthyridine derivatives via three-component reaction catalyzed by l -proline

Fu, Lei,Lin, Wei,Hu, Ming-Hua,Liu, Xue-Cheng,Huang, Zhi-Bin,Shi, Da-Qing

, p. 238 - 243 (2014/06/09)

A facile and efficient one-pot procedure for the preparation of functionalized benzo[b][1,8]naphthyridine derivatives by three-component reaction of 2-chloroquinoline-3-carbaldehyde, 1,3-dicarbonyl compounds, and enaminones catalyzed by l-proline is described. This new protocol has the advantages of environmental friendliness, good yields, and convenient operation.

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