Cas 57237-71-5,trans-2-anilino-4-methyl-1,3,2-dioxaphosphinane 2-selenide

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Check Digit Verification of cas no

The CAS Registry Mumber 57237-71-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,3 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57237-71:
(7*5)+(6*7)+(5*2)+(4*3)+(3*7)+(2*7)+(1*1)=135
135 % 10 = 5
So 57237-71-5 is a valid CAS Registry Number.

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57237-71-5Relevant academic research and scientific papers

Cyclic Organophosphorus Compounds. Part 20. Structual Correlations in the 2-Amino-4-methyl-1,3,2-dioxaphosphinane Series. X-Ray Molecular Structure of cis-2-t-Butylamino-4-methyl-1,3,2-dioxaphosphinane 2-Oxide

Edmundson, Ronald S.,King, Trevor J.

, p. 1943 - 1947 (2007/10/02)

The oxidation of cis-2-t-butylamino-4-methyl-1,3,2-dioxaphosphinane 2-selenide with hydrogen peroxide yields cis-2-t-butylamino-4-methyl-1,3,2-dioxaphosphinane 2-oxide.The oxide has been shown, by X-ray ananlysis, to exist in the chair form with the methy

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