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1599431-69-2

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1599431-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1599431-69-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,9,9,4,3 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1599431-69:
(9*1)+(8*5)+(7*9)+(6*9)+(5*4)+(4*3)+(3*1)+(2*6)+(1*9)=222
222 % 10 = 2
So 1599431-69-2 is a valid CAS Registry Number.

1599431-69-2Downstream Products

1599431-69-2Relevant articles and documents

Annulations of α-carbamoyl ketene dithioacetals with dicarboxylic acid dichlorides: Synthesis of functionalized pyrrolidinetriones and piperidinetriones

Dong, Ying,Guo, Yaru,Liu, Jun,Zheng, Gang,Wang, Mang

supporting information, p. 797 - 801 (2014/03/21)

An annulation strategy based on ketene dithioacetals is described. Under very mild conditions, a number of pyrrolidinetriones 2 and piperidinetriones 3 have been synthesized by the cycloaddition reaction of α-carbamoyl ketene di-thioacetals 1 with di-carboxylic acid dichlorides in good to excellent yields. Further application of this protocol is highlighted by the synthesis of a set of fused pyrimidine derivatives 4/5 from 2/3 and amidines.

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