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16518-81-3

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16518-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16518-81-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,1 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16518-81:
(7*1)+(6*6)+(5*5)+(4*1)+(3*8)+(2*8)+(1*1)=113
113 % 10 = 3
So 16518-81-3 is a valid CAS Registry Number.

16518-81-3Relevant academic research and scientific papers

Synthesis of cyanamides from isoselenocyanates promoted by recyclable ionic liquid-supported (diacetoxyiodo)benzene

Li, Xue,Huang, Yingyi,Gan, Bin,Mi, Zhisheng,Xie, Yuanyuan

, p. 631 - 634 (2015)

One-pot synthesis of cyanamides from isoselenocyanates through deselenisation promoted by ionic liquid-supported hypervalent iodine(III) reagent 1-(4-diacetoxyiodobenzyl)-3-methylimidazolium tetrafluoroborate [dibmim BF4 was developed. This approach provided a simple, mild and environmentally benign way to construct cyanamides in good yields. Moreover, powder Se and dibmim + BF4 could be easily recycled. It was the first example of [dibmim] + [BF4- to be used as a deselenising agent.

A novel and convenient synthesis of 3-amino-2H-1,2,4-triazoles from isoselenocyanates and hydrazine hydrate

Li, Xue,Peng, Zhixiang,Zhang, Yuanyuan,Wang, Jiangwei,Gan, Bin,Xie, Yuanyuan

, p. 255 - 259 (2018/06/29)

A novel and convenient one-pot synthesis of 3-amino-2H-1,2,4-triazoles from two molecules of isoselenocyanates and hydrazine hydrate via cyclodeselenisation was developed. Various 3-amino-2H-1,2,4-triazoles were obtained in moderate to good yields (33-45%

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