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1402404-15-2

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1402404-15-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1402404-15-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,2,4,0 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1402404-15:
(9*1)+(8*4)+(7*0)+(6*2)+(5*4)+(4*0)+(3*4)+(2*1)+(1*5)=92
92 % 10 = 2
So 1402404-15-2 is a valid CAS Registry Number.

1402404-15-2Relevant articles and documents

Facile synthesis of cyanofurans via Michael-addition/cyclization of ene-yne-ketones with trimethylsilyl cyanide

Yu, Yue,Chen, Yang,Wu, Wanqing,Jiang, Huanfeng

, p. 640 - 643 (2017)

We have developed a Michael-addition/cyclization procedure between ene-yne-ketones and TMSCN under metal-free conditions. A wide range of cyanofurans was delivered in high yields, which could be further transformed to a series of furo-furanimines, furo-pyridazines or carboxamido-furans. In addition, deuterium-labeling experiments have been conducted to clarify the reaction pathway.

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