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1280736-01-7

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1280736-01-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1280736-01-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,0,7,3 and 6 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1280736-01:
(9*1)+(8*2)+(7*8)+(6*0)+(5*7)+(4*3)+(3*6)+(2*0)+(1*1)=147
147 % 10 = 7
So 1280736-01-7 is a valid CAS Registry Number.

1280736-01-7Downstream Products

1280736-01-7Relevant articles and documents

Lanthanide amides [(Me3Si)2N]3Ln(μ-Cl) Li(THF)3-catalyzed phospho-aldol-brook rearrangement reaction of dialkyl phosphites with isatins

Wang, Lu,Yao, Zhigang,Xu, Fan,Shen, Qi

, p. 449 - 456 (2012/10/29)

The tetracoordinated lanthanide amides [(Me3Si) 2N]3Ln(μ-Cl)Li(THF)3 were found to serve as highly active catalysts for the phospho-Aldol-Brook rearrangement reaction of various dialkyl phosphites and isatins. The reactions produced dialkyl 2-oxoindolin-3-yl phosphates in good to excellent yields in the presence of 1 mol% [(Me3Si)2N]3La(μ-Cl)Li(THF)3 at room temperature within 5 min. A mechanism for this highly efficient process was proposed. Copyright

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