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1-(2,6-Dichloro-benzyl)-5-[2-phenyl-eth-(E)-ylidene]-pyrrolidin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

159757-40-1

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159757-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159757-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,7,5 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 159757-40:
(8*1)+(7*5)+(6*9)+(5*7)+(4*5)+(3*7)+(2*4)+(1*0)=181
181 % 10 = 1
So 159757-40-1 is a valid CAS Registry Number.

159757-40-1Relevant academic research and scientific papers

Novel Spiro Cyclisations of N-Acyliminium Ions involving an Aromatic ?-Nucleophile

Bailey, Patrick D.,Morgan, Keith M.,Smith, David I.,Vernon, John M.

, p. 7115 - 7118 (2007/10/02)

Several spiro 2-pyrrolidin-5-ones were obtained by a two-step procedure from N-substituted succinimides, involving spiro cyclisation of N-acyliminium ion intermediates in refluxing trifluoroacetic acid; in all cases cyclisation utilised a tethered aromati

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