Cas 95682-82-9,1-Pyrrolidinamine, 2-(methoxymethyl)-N-[1-(2-naphthalenyl)ethylidene]-, (S)-

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Check Digit Verification of cas no

The CAS Registry Mumber 95682-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,6,8 and 2 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 95682-82:
(7*9)+(6*5)+(5*6)+(4*8)+(3*2)+(2*8)+(1*2)=179
179 % 10 = 9
So 95682-82-9 is a valid CAS Registry Number.

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95682-82-9Relevant academic research and scientific papers

Asymmetric Michael Additions via SAMP-/RAMP-Hydrazones. Enantioselective Synthesis of 2-Substituted 4-Oxosulfones

Enders, Dieter,Papadopoulos, Kyriakos,Herdtweck, Eberhardt

, p. 1821 - 1830 (1993)

A simple and efficient enantioselective synthesis of 2-substituted 4-oxosulfones 5 in 40 - 71 percent overall chemical yield and enantiomeric excesses of 86 -> 97 percent is described.The key is an asymmetric Michael-addition of lithiated methylketone-SAMP-/RAMP-hydrazones 3 to α,β-unsaturated phenylsulfones 2.The absolute configuration is determined by X-ray structure analysis of a crystalline hydrazone Michael adduct (4k) and through chemical correlation by polarimetry.

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